The present invention relates to a method for determining visual acuity characteristics and/or refraction characteristics of a test subject who has ametropia, by means of an optical device for displaying optotypes, the optical device having a beam path by means of which the optotypes are displayed to the test subject. In the method, effective aberration data are provided which relate to projecting an optotype through the beam path of the optical device and through at least one ametropic eye onto the associated retina of the test subject. The effective aberration data contain a combination of eye aberration data relating to the at least one ametropic eye of the test subject together with device aberration data relating to the optical device along the beam path of the device. A preferred direction (V1; V2) is selected on the basis of the effective aberration data, in particular on the basis of effective wavefront data associated with the effective aberration data. An optical effect is applied at least in the selected preferred direction. At least one adapted optotype is displayed which has a directional feature, wherein the adapted optotype is displayed in a manner oriented such that its directional feature is arranged parallel to the preferred direction (V1; V2). The visual acuity characteristics and/or refraction characteristics of the test subject are determined for the selected preferred direction (V1; V2) taking into account at least one dimension of the directional feature of the adapted optotype and the applied optical effect.
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
2.
METHOD FOR PRODUCING A HEADLIGHT LENS FOR A VEHICLE HEADLIGHT
The present disclosure provides a suitable method for producing a headlight lens for a vehicle headlight, for example for a motor-vehicle headlight, wherein the headlight lens comprises an integral body made of glass, wherein the integral body comprises at least one light tunnel and one light-passage section having at least one optically active light exit surface, wherein the light tunnel comprises at least one light entry surface and, with a bend, transitions into the light-passage section in order to image the bend as a bright-dark-boundary by means of light directed into the light entry surface.
The disclosure relates to a method for producing an optical element having at least one optically effective surface. The optically effective surface comprises a contour and a surface structure superimposed on the contour. Transparent liquid plastic is injection-molded by means of a (smooth) injection mold of an injection molding machine (500) in dependence on a group of injection molding parameters to form an injection molded component (21) having the contour of the optically effective surface but without the surface structure superimposed on the contour, wherein at least one parameter of the group of injection molding parameters is set and/or corrected in dependence on properties of the injection molded component (21), and wherein the optical element is produced using the group of injection molding parameters.
A visual object for determining one or more visual properties of a test person. The visual object includes at least two different filtered images combined to form a test image, wherein each of the filtered images represents one of at least two predetermined different original images and is provided with a filter specific to a predetermined optically induced blur.
According to a method for configuring and/or providing photochromic optical lenses, at least one first optical lens is configured and/or provided, wherein a carrier having a first photochromic characteristic is combined, on the basis of a first parameter dependency of a photochromic tint specified for said lens, with a coating which at least partially absorbs and/or reflects a radiation having a first attenuation characteristic by means of which a photochromic effect of said carrier can be excited, and at least one second optical lens is configured and/or provided, wherein a carrier having the first or a second photochromic characteristic is combined, on the basis of a second parameter dependency of a photochromic tint specified for said lens, with a coating which at least partially absorbs and/or reflects a radiation having a second attenuation characteristic by means of which a photochromic effect of said carrier can be excited. The invention further relates to a group of carriers, to the use thereof, to a system and to a computer program (product).
The present invention relates to improving the individual adaptation of at least one spectacle lens for efficient control of the development of myopia and good tolerance of the spectacle lens. In this context, a method for determining individual prescription data for a spectacle wearer, which encompass peripheral refraction data for at least one eye of the spectacle wearer, is proposed, the method comprising: - providing refraction data of the eye for central vision; - providing biometric data of the eye comprising at least aberrations of the cornea of the eye; - providing a parametric eye model describing at least -- a corneal topography in the eye model; and -- positions of a plurality of points of a retina in the eye model by way of parameters of the eye model; - creating an individual eye model by adapting the parameters of the parametric eye model to the provided refraction data and biometric data of the eye of the spectacle wearer; and - determining the peripheral refraction data for the at least one eye of the spectacle wearer by calculating refraction data in the eye model for at least one instance of light incidence that deviates from central vision by a predetermined angle.
A coating installation for the production of a layer system, including a component for the application of an artificial ageing process to the layer system, an optical measurement device for determining a spectrally resolved actual measurement curve of the layer system. The coating installation produces a layer system for optical elements, the produced layer system having one or more single layers, each with an installation actual layer thickness of the respective single layer. The one or more single layers are produced according to an installation data set of the coating installation, which includes at least the installation actual layer thickness of the respective single layer of the one or more single layers.
The invention relates to a method, in particular a photolithographic method, for producing a spectacle lens (100) for myopia control for an eye of a wearer of spectacles, comprising the following steps: – providing a spectacle lens to be processed, having a multiplicity of microparticles (130) and a processing layer which is adjacent to the multiplicity of microparticles (130) or has the multiplicity of microparticles (130), the processing layer comprising at least one photoreactive layer (110); and – producing microstructures (150) in the photoreactive layer (110) by exposing the photoreactive layer (110) using an exposure means (BM), wherein at least some of the multiplicity of microparticles (130) act as a photomask for the exposure.
The present invention relates to a method for providing a substrate on one face with a tint and a functional coloration, comprising the following steps (a) to (d): (a) supplying a substrate to be provided on one face with a tint and a functional coloration, the substrate comprising a semifinished part manufactured from transparent plastic and having a first main face and a second main face which lies opposite the first main face and has a convex shape, (b) applying a tint to both main faces of the substrate supplied in step (a), (c) applying a functional coloration to the second main face of the substrate provided with a tint on both main faces in step (b), the functional coloration being brought about by at least one photochromic dye and the at least one photochromic dye being present in a photochromic coat material forming a polymeric coat on the substrate, and (d) post-processing the substrate provided with a functional coloration on the second main face in step (c), in such a way that the tint on the first main face is ablated, to give a substrate provided only on the second main face with a tint and a functional coloration.
D06P 1/00 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed
G02C 7/10 - Filters, e.g. for facilitating adaptation of the eyes to the darkSunglasses
12.
METHOD AND DEVICE FOR PRODUCING A SPECTACLE LENS WITH A VISUAL FIELD-MODULATED IMAGING QUALITY
The invention relates to a method and a device for producing a spectacle lens (105) for myopia control for an eye of a wearer of spectacles in a specific use position of the spectacle lens (105) relative to an eye fulcrum (AD) of the eye. The method comprises the steps of: – providing a spectacle lens semifinished product (100) comprising a multiplicity of magnetically alignable particles (20) which, at least as a consequence of alignment in a magnetic field, have anisotropically light-absorbing and/or light-scattering properties such that their absorption and/or scattering upon alignment in the magnetic field has a minimum for light traveling parallel to the magnetic field lines at the location of the particles; and – aligning the multiplicity of particles (20) in a magnetic field, the field lines of which at the location of the particles adopt directions which pass through the virtual image (AD') of the eye fulcrum (AD), said virtual image being generated in the use position by the back surface (8) of the spectacle lens (105) to be produced.
METHOD AND INSTALLATION FOR MEASURING A CASTING ASSEMBLY PROVIDED FOR PRODUCTION OF A LENS, METHOD AND INSTALLATION FOR CHECKING THE CASTING ASSEMBLY, AND METHOD AND INSTALLATION FOR PRODUCING AT LEAST ONE LENS
A method for measuring a casting assembly provided for production of a lens comprises the steps: providing (S10) the casting assembly, which has a first casting assembly part (11) and a second casting assembly part (12) which is mounted relative to the first casting assembly part in such a way that a cavity (14) is formed between the first and second casting assembly part; and ascertaining (S20) a gap parameter value, the ascertaining of the gap parameter value comprising ascertaining a first distance between the first and the second casting assembly part at a first point of the cavity and the gap parameter value being dependent on this first distance. A method for checking the casting assembly additionally comprises the step: checking (S30, S35) the casting assembly on the basis of the gap parameter value. A method for producing at least one lens additionally comprises the steps: modifying (S55) the casting assembly if the gap parameter value satisfies a predefined modification criterion; and filling (S45) the cavity with a casting resin; the produced lens comprising the cured casting resin. The invention also relates to an installation for carrying out at least one of these methods.
The present invention relates to a coated substrate comprising, in this order, a substrate, optionally at least one further layer disposed on the substrate, and a functional layer, wherein the functional layer is formed by vapour deposition or evaporation of at least one hydrolysable compound and an associated condensation reaction thereof with functional groups on the surface of the substrate or on the surface of at least one further layer disposed thereon, if applicable, wherein the at least one hydrolysable compound contains a hydrolysable silyl group and a pentafluorophenyl group, but no trifluoromethyl group and no difluoromethylene group. The present invention further relates to a process for producing the coated substrate of the invention.
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
B05D 1/00 - Processes for applying liquids or other fluent materials
16.
COMBINATION OF SPECIFIC ANNELLATED NAPHTHOPYRANE ISOMERS
The present invention relates to the combination of special photochromic anellated naphthopyran isomers according to the following formulae (I) and (II) and their incorporation into thiourethane polymers.
SPECTACLE LENS WITH REDUCED FRICTION PROPERTIES, MEASUREMENT METHOD FOR DETERMINING THE SMOOTHNESS OF THE SPECTACLE LENS AND METHOD FOR PRODUCING THE SPECTACLE LENS
The present invention relates to a spectacle lens having a substrate and a functional coating arranged as the outermost layer on the substrate, wherein the functional coating imparts to the spectacle lens a haptic smoothness coefficient HGK of at most 0.28, preferentially at most 0.25, and/or a haptic smoothness coefficient R_HGK of at most 0.85, preferentially at most 0.80. The present invention furthermore relates to a measurement method for determining the smoothness of a spectacle lens, which is expressed by the haptic smoothness coefficient HGK and/or the haptic smoothness coefficient R_HGK, as well as to a method for producing the spectacle lens.
A centering device of a spectacle wearer has a fixation target that generates a flatly extended light field at a measurement location for illuminating an eye of the spectacle wearer. A measurer ascertains a measurement position of the eye when viewing the light field generated by the fixation target. A corrector includes deviation information about a deviation of the light field actually generated at the measurement location by the fixation target from a setpoint light field predetermined at the measurement location, and corrects the ascertained measurement position of the eye when viewing the light field generated at the measurement location, considering the deviation information, to an eye setpoint position which the eye would prospectively adopt at the measurement location if it were to view the predetermined setpoint light field there. A parameter calculator ascertains, based on the eye setpoint position, an optical centering parameter to be determined.
One aspect of the invention relates to a method for producing a functionally coated plastic lens (1), in particular a plastic spectacle lens. The method has the following steps: (I) providing (S100) a plastic lens (1) having a substrate made of plastic glass; (II) providing (S102) a gaseous phase of a first precursor compound A in order to obtain at least one surface of the plastic lens, said surface being modified by means of an adsorption of the precursor compound A; (III) removing (S104) excess precursor compound A material not adsorbed on the modified surface of the plastic lens; (IV) providing (S106) a gaseous phase of a second precursor compound B which reacts with the precursor compound A adsorbed on the modified surface and producing, as a product of the reaction, the formation of a monolayer of a functional layer (3, 3', 3'') on the surface of the plastic lens; (V) removing (S108) excess precursor compound B material not connected to the modified surface; and (VI) obtaining (S110) the plastic lens (1) provided with a functional coating (2). The formed functional coating (2) of the plastic lens (1) imparts hydrophobic and/or oleophobic properties. Additional aspects of the invention relate to a production device and a functionally coated plastic lens.
An adhesion film includes an adhesion surface with which the adhesion film is arrangeable on a front or rear surface of the spectacle lens in order to adhesively stick there; and a functional surface opposite the adhesion surface with a central region and a peripheral region. The functional surface has a microstructure such that the microstructure in the peripheral region at least partially causes an additional positive dioptric power and/or a contrast reduction in relation to the central region.
The invention relates to a spectacle lens (100) with an effective zone (10) which is such that for each point of vision on a spectacle lens rear surface (8) within the effective zone (10) an imaging quality of the spectacle lens (100) is maximal in a beam direction of a primary beam (13) belonging to the respective point of vision and the primary beams (13) of all points of vision in the effective zone (10) intersect substantially in a common eye-side primary beam intersection point (30). The invention also relates to a pair of spectacles comprising at least one spectacle lens (100) according to the invention.
A method for determining the sensitivity of at least one eye of a test subject based on at least two provided pairs of values for visual acuity and refraction, wherein at least one of the pairs of values for visual acuity and refraction. The method includes: projecting a target with an adjustable target refraction into the at least one eye of the test subject, wherein the target is configured to verify a predetermined visual acuity; and determining a visual acuity limiting refraction of the at least one eye of the test subject associated with the predetermined visual acuity by varying the target refraction of the target projected into the at least one eye of the test subject and detecting a test subject action which results in a determination that the identifiability of the target for the test subject has changed at the time of the test subject action.
A61B 3/06 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptationSubjective types, i.e. testing apparatus requiring the active assistance of the patient for testing colour vision
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
One aspect of the invention relates to a method for producing a glass body or semi-finished product from a polymerisable mixture of isocyanates and isocyanate-reactive components, wherein the mixture has at least two of the following components: - a poly(thio)urethane prepolymer prepared from isocyanates and isocyanate-reactive components, wherein the ratio of the two components is such that there is an excess of isocyanate-reactive groups compared to isocyanate groups; - a poly(thio)urethane prepolymer prepared from isocyanates and isocyanate-reactive components, wherein the ratio of the two components is such that there is an excess of isocyanate groups compared to isocyanate-reactive groups; and/or - a thiol component; and/or - an isocyanate component, wherein the mixture has at least one photobase generator. Further aspects of the invention relate to a glass body or a glass body provided with an additional layer, each produced with a method according to another aspect of the invention, as well as a polymerisable mixture.
C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/24 - Catalysts containing metal compounds of tin
C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
25.
METHOD AND DEVICE FOR ACCELERATED CALCULATION OF WAVEFRONTS THROUGH A COMPLEX OPTICAL SYSTEM
Simulating an optical system by calculating wavefronts. The method includes: setting up at least one wavefront transfer function for the optical system, wherein the wavefront transfer function is designed to assign a respective associated emergent wavefront to wavefronts entering into the optical system, taking into account imaging errors with an order greater than the order of defocus; and evaluating the at least one wavefront transfer function for at least one wavefront entering into the optical system.
METHOD AND SYSTEM FOR DETERMINING ADAPTATION PARAMETERS FOR AN ADAPTED PHYSICAL SPECTACLES FRAME, AND METHOD AND SYSTEM FOR PRODUCING AN ADAPTED OUTPUT SPECTACLES FRAME FOR A SPECTACLES WEARER
The invention relates to a method for determining adaptation parameters for an adapted physical model spectacles frame for a spectacles wearer, said method comprising: providing a physical model spectacles frame, wherein the physical model spectacles frame has a first shape; generating the adapted physical model spectacles frame by adapting the physical model spectacles frame on the spectacles wearer, wherein the adapted physical model spectacles frame has a second shape, which differs from the first shape; and determining adaptation parameters of the adapted physical model spectacles frame, wherein the adaptation parameters define at least a spatial difference between the first shape and the second shape. The invention also relates to a system for determining adaptation parameters for an adapted physical model spectacles frame for a spectacles wearer, and a method and system for producing an adapted output spectacles frame for a spectacles wearer.
A method for machining at least one spectacle lens (1) comprises the following steps: determining (S20) a one-dimensional or multidimensional value of a parameter for the spectacle lens to be machined, said parameter depending on the surface condition of said spectacle lens, arranging (S30) the spectacle lens with an initial shape on a holding device (20), and machining (S40) the held spectacle lens with the aid of a machining device (30), a movement of the spectacle lens that arises during the arrangement and/or machining being compensated for in surface condition-specific fashion on the basis of the determined parameter value with the aid of the holding device and/or machining device. The invention also relates to a device for carrying out the method.
B24B 9/14 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
B24B 13/005 - Blocking means, chucks or the likeAlignment devices
B24B 13/06 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other workAccessories therefor grinding of lenses, the tool or work being controlled by information carrying means, e.g. patterns, punched tapes, magnetic tapes
B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
B24B 51/00 - Arrangements for automatic control of a series of individual steps in grinding a workpiece
The present invention relates to a method and a corresponding device for reflection measurement (5) on a surface of an object (1) to be measured. The method comprises: recording multiple individual reflection measurements at multiple different measurement positions (20) on the surface of the object (1) to be measured, with one individual reflection measurement (5) being recorded at each measurement position from the multiple different measurement positions (20); and determining a resulting reflection measurement (72) on the basis of at least one subset of individual reflection measurements (5) from the multiple individual reflection measurements (5) that have been recorded. Determining a resulting reflection measurement (72) can include, for example, determining an average value on the basis of the individual reflection measurements (5) contained in the subset. The individual reflection measurements (5) and the resulting reflection measurement (72) are spectral reflection measurements.
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01M 11/00 - Testing of optical apparatusTesting structures by optical methods not otherwise provided for
The invention relates to the improvement of the balance between the effectiveness and compatibility of spectacle lenses while reducing the progression of myopia. For this purpose, the invention proposes a method in particular for calculating or optimizing a spectacle lens (10) for at least one eye of a spectacle wearer such that the spectacle lens (10) comprises: - a central main viewing region (30) with a substantially constant refractive power; and - an active region (32) which adjoins the central main viewing region and which produces -- an at least partly greater refractive power than the refractive power in the central main viewing region (30) and/or -- a contrast reduction at least in some sections, wherein the method has the steps of: - providing user data which comprises at least one spherical equivalent of a refraction deficit of the at least one eye; - determining a primary refractive power as the substantially constant refractive power of the central main viewing region in order to correct the spherical equivalent of the refraction deficit of the at least one eye; and - ascertaining a horizontal (rh) and/or a vertical extension (rv) of the central main viewing region (30) as a function of the primary refractive power.
In particular, the invention relates to a spectacle lens (10) which comprises: a central main viewing region (20) with a substantially constant refractive power; and a functional region (18; 19) which adjoins the central main viewing region (20) on both sides at least horizontally and which has an additional functional effect in comparison to the central main viewing region (20), said additional functional effect having at least one additional dioptric effect and/or a contrast reduction in comparison to the central main viewing region (20), wherein the additional functional effect in the active region (18, 19) is produced by a combination of at least one first surface structure characteristic and a second surface structure characteristic, which differs from the first surface structure characteristic in particular, of the spectacle lens (10).
The invention relates to a layer system having infrared mirroring according to one aspect, comprising a substrate base comprising a substrate sheet having a substrate surface; and a plurality of low-refraction layers and a plurality of high-refraction layers, which are arranged with high-refraction and low-refraction layers alternating on the substrate surface such that, at a detection angle of about 0° with at least one substrate normal of the substrate surface, the layer system has a reflectivity for electromagnetic radiation of R≥15% for at least one wavelength range between about 680 nm and about 1100 nm, and has a reflectivity for electromagnetic radiation of R≤5% for at least one wavelength range between about 400 nm and about 680 nm.
The present invention relates to novel higher-molecular photochromic dyes having at least one and not more than four naphthopyrane subunits and multiple polyether chains, their use and phototropic acrylate, allylcarbonate, urea, urethane or thiourethane polymers containing them, and a phototropic product.
C09B 69/00 - Dyes not provided for by a single group of this subclass
C09B 69/10 - Polymeric dyesReaction products of dyes with monomers or with macromolecular compounds
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
The invention relates to a method for checking an arrangement of a marking (130) on at least one spectacle lens (100) having functional engravings (110a, 110b), in which method the spectacle lens (100) is placed on a multi-point support having a plurality of support points (120). Engraving positions of the functional engravings (110a, 110b) of the spectacle lens (100) placed on the multi-point support are recorded. A spectacle lens position of the spectacle lens (100) placed in this way is determined on the basis of the recorded engraving positions and by taking into account point positions of the support points (120) of the multi-point support. A marking position of the marking (130) on the spectacle lens (100) is determined and checked depending on the determined spectacle lens position.
One aspect of the invention relates to a coated lens, in particular a spectacle lens, having a lens body (2) consisting of a mineral lens or a plastic lens, a silicon oxide layer (4), which is arranged directly or indirectly on an area or surface of the lens body (2), and a slide-enhancing covalently bound omniphobic layer (6) which is formed on the silicon oxide layer (4), wherein the omniphobic layer (6) has at least one silicon organic compound. Another aspect of the invention relates to a method for producing an omniphobic layer on a lens body.
C03C 17/42 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
G02B 1/00 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements
36.
SPECTACLE LENSES FOR MANAGING MYOPIA, COMPRISING MICROLENSES MADE OF GRIN STRUCTURES
The invention relates to spectacle lenses and to a method for producing same. The spectacle lenses produce a base effect by means of a refraction on a front surface and a rear surface of the spectacle lenses in each view point of the spectacle lenses, and the spectacle lenses have an effect zone as at least one part of the view region of the spectacle lenses such that the spectacle lenses comprise a plurality of gradient microlens elements in the effect zone, said elements generating a myopia corrective effect, which has a shorter focal length than the base effect, in the effect zone.
A computer-implemented method for determining biometric data of an eye and a corresponding method for manufacturing spectacle lenses taking into account the biometric data determined. The method includes: providing individual standard data of a user, the standard data including prescription data including a distance prescription and/or a near prescription of at least one eye of a user; and calculating individual additional data including at least one individual biometric parameter of the at least one eye of the user based on the individual standard data and using a statistical model describing a relation between the standard data and the additional data, wherein the statistical model has been derived using statistical analysis of a training data set with a plurality of reference data sets, each of the reference data sets including standard data and additional data associated with the standard data.
The present invention relates to the determination of the position of an optical lens, which is held by a lens holding element at a known lens surface of the optical lens, and to the processing and/or measurement and/or testing of a lens held in this manner. A computer-implemented method for determining a position of an optical lens (10) in relation to a lens holding element (16) while a first lens surface (12) of the optical lens (10) is pressed by means of a holding force onto an abutment region of the lens holding element (16) comprises: providing surface data of the first lens surface of the optical lens; providing surface data of the abutment region of the lens holding element; providing force action data of the holding force, which define at least a force-application point and a force direction of the holding force; providing a first contact point between the first lens surface and the abutment region of the lens holding element; virtually rotating the optical lens about a first axis of rotation, which extends through the first contact point and extends both perpendicularly to a force action axis, which extends through the force-application point and parallel to the force direction, and perpendicularly to the perpendicular of the first contact point on the force action axis, in the direction of a torque which is defined by the force action data for a rotation about the first axis of rotation until the first lens surface of the optical lens and the abutment region of the lens holding element form a second contact point; and virtually rotating the optical lens about a second axis of rotation, which extends through the first and the second contact point, in the direction of a torque which is defined by the force action data for a rotation about the second axis of rotation until the first lens surface of the optical lens and the abutment region of the lens holding element form a third contact point; and outputting the position of the optical lens resulting from the virtual rotations about the first and the second axis of rotation as the position to be determined.
The present invention relates to a method and a device for the residue-free removal of at least one primer layer and/or at least one hard lacquer layer from a substrate surface, the method comprising the following steps: (a) providing a substrate which is provided with at least one primer layer and/or at least one hard lacquer layer starting from the substrate surface; and (b) subjecting the substrate provided in step (a) to a multi-stage lacquer removal process, wherein in at least one stage, in particular in every stage of the cleaning process, the substrate, in the immersed state, undergoes a sequence, consisting of one or more phases, characterised by a state, selected from ultrasound treatment, circulation or circulation with simultaneous ultrasound treatment.
The disclosure relates, inter alia, to a motor vehicle (1) having a vehicle headlight (10) which comprises a lighting lens (46), the lighting lens (46) comprising a lens body (460) made of transparent material with at least one light entrance surface (462) and at least one light exit surface, wherein the lighting lens (46) further comprises a lighting assembly (461) which comprises a carrier (4612) on which is arranged a lighting matrix (4611) with a plurality of independently controllable lighting pixels, wherein by means of the lighting matrix (4611) light can be irradiated into the light entrance surface (462) of the lens body (460), which light exits from the light exit surface of the lens body (460), wherein between the lighting matrix (4611) and the light entrance surface (462) an air gap (464) is provided which is sealed dust-tight but not air-tight with respect to the surroundings of the lighting lens (46).
F21V 31/00 - Gas-tight or water-tight arrangements
F21W 102/155 - Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having inclined and horizontal cut-off lines
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
The invention relates to a method for measuring the frame lens angle of spectacles, having the steps of arranging (100) the spectacles, which have a first spectacle lens and a second spectacle lens, on a spectacles receiving area. The surfaces of the two spectacle lenses of the spectacles are scanned (110) by means of a scanner in order to generate first surface position data points of the first spectacle lens and second surface position data points of the second spectacle lens. The first surface position data points of the first spectacle lens are mirrored (120) onto the second surface position data points of the second spectacle lens with respect to a central plane (M) between the two spectacle lenses such that the first and second surface position data points of the two spectacle lenses are superimposed. A compensation function (A) is ascertained (121) as a surface function using the superimposed surface position data points of the two spectacle lenses, and the frame lens angle is ascertained (160) by means of the surface function using the superimposed surface position data points of the two spectacle lenses.
09 - Scientific and electric apparatus and instruments
Goods & Services
Replacement lenses for glasses; Correcting lenses [optics]; Corrective eyewear; Spectacle lens blanks; Spectacles; Eyewear; Spectacles for correcting colour vision deficiency; Spectacle lenses; Lens cases; Cases for spectacles and sunglasses; Lenses for sunglasses; Optical lenses for use with sunglasses; Cases for sunglasses; Frames for sunglasses; Spectacle frames; Anti-reflective lenses; Glasses, sunglasses and contact lenses; Smartglasses; Plastic lenses; Ophthalmic lenses; Optical goods; Optical apparatus and instruments; Optical lenses; Lens blanks; Optical glass; Optical lens blanks; Spectacle frames made of a combination of metal and plastics; Spectacle frames made of plastic; Spectacle frames made of metal and of synthetic material; Spectacle frames made of metal or of a combination of metal and plastic; Spectacle frames made of metal; Frames for spectacles and sunglasses; Lens blanks for eyesight correction; Fashion eyeglasses; Glass ophthalmic lenses; Sunglasses; Parts for spectacles; Prescription sunglasses; Fashion sunglasses.
The invention relates to a method for producing a lens, in particular a spectacle lens, having at least one of the following steps: - providing a main part, - providing a mold shell, - arranging the main part and the mold shell such that a cavity is formed between the main part and the mold shell, - attaching a seal strip which seals the cavity formed between the main part and the mold shell in order to obtain a casting package, - forming at least one opening in the seal strip, - arranging the casting package in a holding device, - filling the cavity with a casting resin through the at least one opening, - closing the opening, - removing the casting package filled with a casting resin from the holding device, - curing the casting package, - removing the seal strip, and - removing the mold shell in order to obtain a lens. The invention additionally relates to a device, a casting package, and a lens.
A method for the additive modification of an optical lens (1) comprises the steps of: providing (S10) the optical lens; providing (S10) a material processing device (2); and modifying (S50) the provided optical lens by applying at least one material (8) unit by unit to the provided optical lens with the aid of the material processing device. The invention also relates to a device for carrying out the method and to an optical lens modified by the method.
A method for determining objective measurement data of at least one eye of a user during a subjective refraction, including: acquiring subjective refraction data of the at least one eye in a first lighting state; acquiring and/or ascertaining pupillometric measurement data of the at least one eye in the first and a second lighting state different from the first lighting state; acquiring aberommetric measurement data of the at least one eye in the first and the second lighting state, or acquiring aberrometric measurement data of the at least one eye in the first or the second lighting state, and acquiring aberrometric measurement data of the at least one eye in the other one of the first and second lighting states taking into account the acquired and/or ascertained pupillometric measurement data of the at least one eye.
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/11 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring interpupillary distance or diameter of pupils
The invention relates to a method for producing a casting mould, preferably for casting an optical element, in particular for casting a spectacle lens semi-finished product, the method comprising at least one of the following steps: - providing a casting mould semi-finished product having a casting mould surface; - applying pulsed laser radiation to at least one location on the casting mould surface, which laser radiation is designed to form at least one cavity in the casting mould surface; - polishing the surfaces of the at least one formed cavity.
A method for determining a sensitivity of at least one eye of a test subject, including: determining a subjective refraction result for the at least one eye of the test subject; while determining the subjective refraction result, determining a first visual acuity of the at least one eye for a first applied refraction; while determining the subjective refraction result, determining a second visual acuity of the at least one eye for a second applied refraction, wherein the second applied refraction is different from the first applied refraction; and ascertaining the sensitivity of the at least one eye, considering the first and second visual acuities at the first and second applied refractions.
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
52.
SPECTACLES LENS FOR MANAGING MYOPIA BY MEANS OF INCREASED PERIPHERAL ACTION
The present invention relates to a spectacles lens (10) having a specifically shaped peripheral region having differing optical properties for improving long-term wearing comfort while simultaneously improving perception. In particular, the spectacles lens (10) comprises: - a continuous channel region (12), which extends continuously from an upper edge (14) to a lower edge (16) of the spectacles lens; and - an active region (18n, 18t) which horizontally adjoins the continuous channel region (12) on both sides and extends continuously from the upper edge (14) to the lower edge (16) of the spectacles lens (10), wherein the refractive power of the spectacles lens (10) increases from the channel region (12) to the active region (18n, 18t) on both sides of the channel region (12).
System for order-receipt processing of an eyeglass lens, including: a receiver configured to receive order data of eyeglass lens, to store a catalog of eyeglass lens classes, which each are defined by a fixed number of predetermined and freely selectable order parameters and differ from each other in the number of freely selectable order parameters, and to classify the order data on the basis of the catalog of eyeglass lens classes, a processor configured to process the order data, to store only the highest eyeglass lens classes of the catalog of eyeglass lens classes, to select one of the highest eyeglass lens classes, to match the order data to the selected highest eyeglass lens class, to generate a respective digital reproduction of the eyeglass lens based on a calculation model and the adapted order data, and a communication device connecting the receiver and the processor.
In a method for determining visual acuity characteristics of a subject having at least one astigmatic ametropia, ametropia data of the subject is provided, wherein the ametropia data include at least one axial position of a required optical cylinder correction. A preferred direction (V1; V2) is selected in such a way that this preferred direction (V1; V2) either corresponds to the axis position assigned to the optical cylinder correction or is rotated by 90° to this axis position. Alternatively, the preferred direction can be derived from wavefront data using a point spread function. An optical effect is applied at least in the selected preferred direction. At least one adapted optotype is displayed, which has a directional feature, wherein the adapted optotype is displayed orientated such that its directed feature is arranged parallel to the preferred direction (V1; V2). Visual acuity characteristics of the subject are determined for the selected preferred direction (V1; V2), taking into account at least one dimension of the directed feature of the adapted optotype and the applied optical effect.
A61B 3/02 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
A61B 3/036 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters for testing astigmatism
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
The disclosure relates, inter alia, to a vehicle headlight (10), for example for a motor vehicle (1), wherein the vehicle headlight (10) comprises an illumination matrix (534) with a plurality of independently controllable illumination pixels for generating a (for example time-variant) illumination pattern, wherein the vehicle headlight (10) comprises an objective for imaging the illumination pattern, and wherein the objective comprises at least one objective lens.
F21S 41/663 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
F21S 41/63 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
The invention relates to a spectacles frame comprising a rim (1) for one or more spectacles lenses, and at least one temple arm (2) which is movably coupled to the rim (1), wherein at least one of the rim (1) and the at least one temple arm (2) comprises a receptacle (6). The spectacles frame also comprises at least one restorable element which is arranged at least in part on the receptacle (6), wherein the restorable element provides a restoring force when the temple arm (2) is moved relative to the rim (1), and wherein the restorable element is made of an injection-moulded material or from a 3D-printed material.
The disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided between a first mold (UF) and at least one second mold (OF), is press molded, for example on both sides, to form the optical element (202) and is then exposed to a treatment atmosphere.
The disclosure relates to a method for producing an optical element having at least one optically effective surface. The optically effective surface comprises a contour and a surface structure superimposed on the contour. Transparent liquid plastic is injection-molded by means of a (smooth) injection mold of an injection molding machine (500) in dependence on a group of injection molding parameters to form an injection molded component (21) having the contour of the optically effective surface but without the surface structure superimposed on the contour, wherein at least one parameter of the group of injection molding parameters is set and/or corrected in dependence on properties of the injection molded component (21), and wherein the optical element is produced using the group of injection molding parameters.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Glasses, sunglasses and contact lenses; spectacle temples;
spectacle frames made of a combination of metal and
plastics; spectacle frames made of plastic; spectacle frames
made of metal and of synthetic material; spectacle frames
made of metal or of a combination of metal and plastic;
spectacle frames made of metal; replacement lenses for
glasses; frames for spectacles and sunglasses; correcting
lenses [optics]; corrective eyewear; spectacle lens blanks;
optical lens blanks for eyesight correction; sunglasses;
sunglass temples; parts for spectacles; prescription
sunglasses; smartglasses; ophthalmic lenses; optical goods;
optical apparatus and instruments; optical lenses; optical
lens blanks; optical glass; optical lens blanks; spectacle
lenses; antireflection coated eyeglasses; polarizing
spectacles; prescription eyeglasses; prescription eyewear;
optical glasses. Ophthalmological instruments; medical apparatus and
instruments.
61.
METHOD AND DEVICE FOR OPTICALLY MEASURING AN OPTICALLY ACTIVE SURFACE OF AN AT LEAST PARTIALLY TRANSPARENT SAMPLE BODY
The invention relates to a method and a device (8) for optically measuring an at least partially transparent sample body (10) with an optically active first surface and a second surface lying opposite thereto. The method is carried out using reflection geometry and has the following steps: i) applying a highly viscous reflection-reducing fluid (1) onto the second surface of the sample body (10); ii) carrying out the optical measurement process; and iii) removing the highly viscous reflection-reducing fluid (1).
In particular, the invention relates to a spectacle lens which has at least one diffractive effect zone as at least one part of a view region of the spectacle lens such that the spectacle lens comprises diffractive microstructures in the diffractive effect zone, said microstructures generating at least one base effect in each view point of the diffractive effect zone or a myopia corrective effect which deviates therefrom, wherein the diffractive effect zone comprises a combination zone in which the diffractive microstructures generate a combination of the base effect and the myopia corrective effect simultaneously.
The invention relates to a spectacle lens (10) and to a production method for such a spectacle lens, the spectacle lens (10) comprising: a central main viewing region (30) with substantially constant refractive power; an effective region (32) around the central main viewing region (30), the effective region (32) having microstructures at least in portions, said microstructures in the effective region (32) bringing about an at least partially higher refractive power than the refractive power in the central main viewing region (30) and/or at least partly bringing about a contrast reduction; and a peripheral region (34) outside of the effective region (32) with substantially constant refractive power.
The invention relates to a method for providing a substrate with a colouring and a functional colouring, comprising the following steps (a) to (c) in this order: (a) supplying a substrate to be provided with a colouring and a functional colouring, wherein the substrate is produced from plastic glass and the substrate has a first main side and a second main side opposite the first main side and having a convex shape; (b) applying a colouring to both main sides of the substrate supplied in step (a); and (c) applying a functional colouring to both main sides of the substrate provided with a colouring on both main sides in step (b) by dip-coating, thus obtaining a substrate which is provided on both main sides with a colouring and a functional colouring.
The invention relates to a visual object (100) and to a method and a computer program product for determining one or more visual properties of a test subject. The visual object (100) comprises at least two different filtered images which are combined to form a test image, wherein each of the filtered images represents one of at least two predefined different source images and is provided with a specific filter for a predefined optically induced blur.
A61B 3/02 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
66.
METHOD FOR PRODUCING AN OPTICAL ELEMENT MADE OF GLASS
The disclosure relates to a method for producing an optical element, for example an (optical) lens, for example a headlight lens, for example a vehicle headlight lens, from inorganic glass, wherein a blank of the inorganic glass is heated in a first heating step, for example in such a way that the blank is cooler on the inside than on its outer region, wherein, after heating, the blank is press-molded, for example on both sides, in a first pressing step between an upper mold and a lower mold to form an intermediate molded part, wherein the intermediate molded part is removed from the lower mold after the first pressing step, wherein a surface or the surface of the intermediate molded part formed by the lower mold and/or the surface of the intermediate molded part facing the lower mold is heated in a second heating step after the first pressing step, wherein the intermediate molded part is press-molded, for example on both sides, to the optical element or the (optical) lens, in a second pressing step after the second heating step, and wherein the optical element or the (optical) lens is cooled in a cooling path after the second pressing step.
A computer-implemented method, including: capturing a nominal refractive power and/or a nominal astigmatism in a near reference point of the lens, determining a corrective value of the vertical or horizontal prism in the near reference point of the lens; modifying the nominal refractive power and/or the nominal astigmatism in the near reference point on the basis of the corrective value of the vertical or horizontal prism of the lens; determining a continuous course of the nominal refractive power or the nominal astigmatism along the main line of the lens on the basis of the modified refractive power and/or nominal astigmatism in the near reference point; and calculating or optimizing the lens on the basis of the modified nominal refractive power and/or nominal astigmatism in the near reference point and the determined course of the nominal refractive power and/or the nominal astigmatism along the main line.
The invention relates, inter alia, to a vehicle headlight having a lens arrangement, wherein the lens arrangement includes a first lens (input lens), a second lens (first middle lens), at least a third lens (second middle lens), and a front lens, wherein the second lens (first middle lens) is arranged in the light path between the first lens (input lens) and the front lens, and wherein the at least third lens (second middle lens) is arranged in the light path between the second lens (first middle lens) and the front lens.
B60Q 1/04 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
F21S 41/00 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
F21S 41/153 - Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
F21S 41/36 - Combinations of two or more separate reflectors
Method for determining a surface model for calculating a surface of an ophthalmic lens from a set of order parameters for the lens or from variables depending on the order parameters. The method includes providing a training data set having order parameter sets; providing a target value of a property of the lens for each of the order parameter sets; providing a surface model with parameters; and determining optimized values for the parameters using the provided target values by optimizing the values for the parameters by minimizing/maximizing a target function for the parameters. The target function for the parameters for each of the order parameter sets has a term which assumes a minimum/maximum when the provided target value coincides with the value of the same property of a lens which is calculatable with the surface model for given values of the parameters for the corresponding order parameter set.
The invention relates to a method for providing a substrate with a colouring an a functional colouring on one side, comprising the following steps (a) to (d): providing a substrate to be provided with a colouring and a functional colouring on one side, wherein the substrate is a semi-finished part produced from plastic glass and having a first main side and a second main side opposite the first main side and with a convex shape; (b) applying a colouring to both main sides of the substrate provided in step (a); (c) applying a functional colouring to the second main side of the substrate provided with a colouring on both main sides in step (b), wherein the functional colouring is generated by at least one photochromic colouring agent and the at least one photochromic colouring agent is contained in a photoresist forming a polymer layer on the substrate; and (d) post-processing the substrate provided with a functional colouring on the second main side in step (c), in such a way that the colouring on the first main side is removed, thereby producing a substrate provided with a colouring and a functional colouring only on the second main side.
The present disclosure relates to a projection display, wherein the projection display comprises a support on which a projector lens array with a plurality of projector lenses is arranged, wherein on a side of the support facing away from the projector lens array, an object structure array with a plurality of object structures is arranged, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form a full image.
The invention relates to a device for inspecting a transparent workpiece having a test pattern generation device, an imaging system and a camera, wherein the test pattern generation device is arranged in such a way that, in operation, a transparent workpiece to be inspected can be irradiated with a test pattern from a first side, wherein the imaging system is arranged in such a way that the light of the respective test pattern passing through the transparent workpiece to be inspected is guided to the camera by means of the imaging system, wherein at least three test patterns can be generated by means of the test pattern generating device under the control of a control device, wherein each of these test patterns can be captured by the camera as pixel-level intensity information data, wherein by means of an evaluation device, the intensity information data obtained from the camera for each of the test patterns can be processed at pixel level, wherein conclusions about particles or defects are made possible from the processed intensity information data at pixel level.
The present invention relates to a computer-implemented method for defining a production correction model, to a memory device for storing the production correction model, to a computer-implemented method for determining a production correction by means of the production correction model, and to a corresponding manufacturing method. The invention also relates to corresponding computer program products and devices. The method for determining the production correction model comprises: providing at least one untrained production correction model parameterized by model parameters, the production correction model being a mapping which – for given values of the model parameters – assigns each element of a selected definition set at least a portion of production corrections; providing a training data set, which comprises a first definition set and production corrections assigned to the first definition set; and training the provided production correction model using the provided training data set. The definition set comprises a plurality of definition parameters and their variance. The definition parameters are parameters which characterize a lens to be manufactured and/or the process of manufacture of said lens. The production corrections comprise correction parameters for describing a global and/or local change to at least one surface to be produced on an ophthalmic lens.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
B24B 9/14 - Machines or devices designed for grinding edges or bevels on work or for removing burrsAccessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
G06F 111/06 - Multi-objective optimisation, e.g. Pareto optimisation using simulated annealing [SA], ant colony algorithms or genetic algorithms [GA]
The invention relates, inter alia, to a motor vehicle (1) having a vehicle headlamp (10) which comprises a lighting lens (46), the lighting lens (46) comprising a lens body (460) made of transparent material with at least one light input face (462) and at least one light output face, the lighting lens (46) also having a lighting assembly (461) which comprises a support (4612) on which is arranged a lighting matrix (4611) having a plurality of lighting pixels which can be activated independently of one another, wherein light can be shone into the light input face (462) of the lens body (460) by means of the lighting matrix (4611), which light exits from the light output face of the lens body (460), wherein an air gap (464) is provided between the lighting matrix (4611) and the light input face (462) and is sealed off dust-tightly but not air-tightly from the surroundings of the lighting lens (46).
The present invention relates to the combination of specific photochromic, annellated naphthopyrane isomers according to the formulae (I) and (II) and their introduction into thiourethane polymers.
C09B 69/10 - Polymeric dyesReaction products of dyes with monomers or with macromolecular compounds
C09K 9/00 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
A fixation target (70) serves to produce a light field for aligning the viewing direction of a spectacle wearer (30) when measuring the spectacle wearer (30) by means of a centration apparatus (10). A transparent lens body (60) is used during operation to optically shape an electromagnetic radiation of the produced light field. During operation, the electromagnetic radiation of the produced light field is emitted in an emission direction (A) from an optical emission side (61) of the lens body (60). A back side (62) of the lens body (61) is formed on a back side surface of the lens body (60) facing away from the emission side (61). In this case, the transparent lens body (60) extends from the emission side (61) to the back side (62) counter to the emission direction (A) and, in the process, extends at least to a focal plane of the lens body (60).
The invention relates to a centring apparatus (10) of a spectacle wearer (30), having a fixation target (40) which generates a two-dimensionally extended light field at a measurement location for illuminating at least one eye of the spectacle wearer (30). A measuring device is used to ascertain at least one measurement position of the at least one eye of the spectacle wearer (30) when viewing the light field generated by the fixation target (40). A correction device comprises deviation information about a deviation of the light field actually generated at the measurement location by the fixation target (40) from a setpoint light field predetermined at the measurement location. The correction device corrects the ascertained measurement position of the at least one eye when viewing the light field actually generated at the measurement location, taking into account the deviation information, to a setpoint position of the at least one eye, which the at least one eye would likely assume at the measurement location if it were to view the predetermined setpoint light field there. A parameter calculation device ascertains at least one of the optical centring parameters to be determined on the basis of the ascertained setpoint position of the at least one eye.
SPECTACLE LENS HAVING REDUCED FRICTION PROPERTIES, MEASUREMENT METHOD FOR DETERMINING THE SMOOTHNESS OF THE SPECTACLE LENS, AND METHOD FOR PRODUCING THE SPECTACLE LENS
The present invention relates to a spectacle lens comprising a substrate and a functional coating arranged on the substrate as the outermost layer, characterised in that the functional coating gives the spectacle lens a haptic smoothness coefficient HGK of at most 0.28, preferably at most 0.25, and/or a haptic smoothness coefficient R_HGK of at most 0.85, preferably of at most 0.80. The present invention also relates to a measurement method for determining the smoothness of the spectacle lens, which is expressed by the haptic smoothness coefficient HGK and/or the haptic smoothness coefficient R_HGK, and to a method for producing the spectacle lens.
G01N 19/02 - Measuring coefficient of friction between materials
G02B 1/10 - Optical coatings produced by application to, or surface treatment of, optical elements
C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCoating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chainCoating compositions based on derivatives of such polymers
80.
OPTICAL ELEMENT HAVING AN OXYGEN-IMPERMEABLE BARRIER LAYER
The present invention relates to an optical element, having a photochromic layer with improved UV and light stability, and to a method for producing such an optical element.
The invention relates to a method for determining the sensitivity of at least one eye of a test subject on the basis of at least two provided visual-acuity refraction value-pairs, wherein at least one of the visual-acuity refraction value-pairs is provided by the following steps: - projecting a target having an adjustable target refraction into the at least one eye of the test subject, wherein the target is designed for verifying a predefined visual acuity; and - determining a visual-acuity limit refraction, associated with the predefined visual acuity, of the at least one eye of the test subject by varying the target refraction of the target projected into the at least one eye of the test subject and detecting a test-subject action, by means of which it is established that the identifiability of the target has changed for the test subject at the time of the test-subject action.
A61B 3/06 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptationSubjective types, i.e. testing apparatus requiring the active assistance of the patient for testing colour vision
A61B 3/032 - Devices for presenting test symbols or characters, e.g. test chart projectors
A61B 3/04 - Trial framesSets of lenses for use therewith
The invention relates to an adhesive film for an eyeglass lens, a use of an adhesive film of this type, in particular for an eyeglass lens, with a negative dioptric effect, in particular for the non-therapeutic reduction of the progression of myopia and a method for applying adhesive films of this type to the lenses of eyeglasses. An adhesive film according to the invention comprises an adhesive surface with which the adhesive film can be arranged on a front or rear surface of the eyeglass lens, in order to adhesively stick there; and a functional surface opposite the adhesive surface with a central region and a peripheral region, wherein the functional surface has a microstructure such that the microstructure in the peripheral region at least partially has a positive dioptric additional effect in relation to the central region and or has a contrast-reducing effect.
The invention relates to a device (1) for determining a torsion of a spectacle frame (B), wherein two lenses (G1, G2) are arranged in the spectacle frame (B), having: * a laser-supported device (L; L1, L2) for generating lighting patterns on at least one of the lenses, said laser-supported device being designed to generate a first lighting pattern (L1) and a second lighting pattern (L2) at a distance to each other, wherein the laser has a wavelength which is at least partly reflected by the type of lens used for the lenses, and at least one first part of the lighting pattern is generated on the first lens (G1) and a second part of the same lighting pattern is generated on the second lens (G2), * a receiving device (K) which is designed to receive a reflection of the lighting patterns (L1, L2) in order to determine the distance between each reflection point along the lighting pattern, and * an evaluation device (C) which determines the presence of a torsion on the basis of the measured reflection points of the first lighting pattern (L1) and the second lighting pattern (L2). A torsion is present if the distances from the first lens (G1) to the second lens (G2) for the first lighting pattern and the second lighting pattern are not substantially identical.
The invention relates to a method for gradient-tinting lenses in a tinting facility, said method comprising the following steps: placing (S106) a first lens to be tinted on a first lens-holding device; adjusting (S108) a length of a holding arm of the first lens-holding device; performing (S130) a tinting process in order to obtain gradient-tinted lenses, the tinting process comprising dipping and lifting the first lens held by the first lens-holding device into and out of a dye bath container by means of a lifting device controlled for this purpose; and removing (S144) the gradient-tinted first lens from the first lens-holding device. The invention also relates to the tinting facility, to a lens-holding device for the tinting facility, to an adjustment aid for the lens-holding device, and to a system comprising the lens-holding device and the adjustment aid and/or at least one other lens-holding device.
The disclosure relates to a vehicle headlight (20), for example a motor vehicle headlight, wherein the vehicle headlight comprises a light source assembly (11) and a primary optics (200A), for example a press-molded primary optics, for example a one-piece primary optics (200A), wherein the primary optics (200A) comprises at least one light tunnel (208) and a wedge-shaped light conducting part (209) having at least one light exit surface (209A), for example optically effective light exit surface (209A), wherein the light tunnel (208) comprises at least one light entrance surface (201), for example an optically effective light entrance surface (201), into which light generated by means of the light source assembly (11) can be irradiated, wherein the light tunnel (208) transitions into the light conducting part (209) at a bend (207), and wherein the vehicle headlight comprises a secondary optics (200B) with an optically effective light exit surface (202) for imaging a light exit surface (209A) of the primary optics (200A) and/or of the light conducting part (209) or for imaging the bend (207).
A method, a device, and a corresponding computer program product for calculating (optimizing) and producing a spectacle lens with the aid of a semi-personalized eye model. In one approach, the method includes providing personalized refraction data of at least one eye of the spectacles wearer; establishing a personalized eye model in which at least the parameters: shape of an anterior corneal surface of a model eye; a cornea-lens distance; parameters of the lens of the model eye; and lens-retina distance are established using personalized measured values for the eye of the spectacles wearer, and/or using standard values, and/or using the provided personalized refraction data, such that the model eye has the provided personalized refraction data, wherein at least the establishment of the lens-retina distance takes place via calculation
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/107 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining the shape or measuring the curvature of the cornea
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
87.
MANUFACTURING A SPECTACLE LENS USING ADAPTIVE SURFACES
The present invention relates to a method for manufacturing a spectacle lens, the method comprising: capturing data regarding a surface to be produced of the spectacle lens to be manufactured; providing a first casting mold for the spectacle lens to be manufactured, wherein the first casting mold has a first casting mold surface, the shape of which is determined on the basis of the data regarding the surface to be produced of the spectacle lens; and shaping the spectacle lens from a curable spectacle-lens material using the first casting mold. The step of providing the first casting mold comprises: determining the shape of an adaptive surface using the data regarding the surface to be produced of the spectacle lens; producing the adaptive surface having the determined shape by means of a surface-shaping device; and using the adaptive surface for producing the first casting mold surface. The step shaping the spectacle lens comprises curing the spectacle-lens material, wherein, during the curing process, the surface-shaping device is separated from the first casting mold. The present invention also relates to a device for manufacturing a spectacle lens, which device is designed to carry out the above method.
The invention concerns a method for producing an optical lens element, in particular for illumination purposes, in particular for producing a headlight lens for a vehicle headlight, in particular for a motor vehicle headlight (10), wherein a pre-lens element (42, 43) is injection molded using at least one mold by heating liquefied transparent plastic, wherein the pre-lens element (42, 43) being cooled in such a way that the plastic solidifies, and at least one optically effective surface of the pre-lens element (42, 43) then being heated in such a way that the plastic on the optically effective surface can be shaped, in particular up to a depth of not more than 1000 micrometers, wherein the pre-lens element (42, 43) is pressed with the optically effective surface in a final contour mold to form the lens element.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Glasses, sunglasses and contact lenses; Spectacle temples; Spectacle frames made of a combination of metal and plastics; Spectacle frames made of plastic; Spectacle frames made of metal and of synthetic material; Spectacle frames made of metal or of a combination of metal and plastic; Spectacle frames made of metal; Replacement lenses for glasses; Frames for spectacles and sunglasses; Correcting lenses [optics]; Corrective eyewear; Spectacle lens blanks; Lens blanks for eyesight correction; Sunglasses; Sunglass temples; Parts for spectacles; Prescription sunglasses; Smartglasses; Ophthalmic lenses; Optical goods; Optical apparatus and instruments; Optical lenses; Lens blanks; Optical glass; Optical lens blanks; Spectacle lenses; Antireflection coated eyeglasses; Polarizing spectacles; Prescription eyeglasses; Prescription eyewear; Optical glasses. Ophthalmological instruments; Medical apparatus and instruments.
91.
Method for producing an optical element from plastic
The disclosure relates to a method for producing an optical element (42, 43) having at least one optically effective surface, wherein, by means of a first injection mold of an injection-molding machine (500, 500′) liquid transparent plastic (54, P4014, P4017) is injection-molded to form a preform and/or a pre-molded part (20) having at least one preform (22, 23), the preform or the pre-molded part (20) subsequently being cooled outside the first injection mold and/or outside the injection-molding machine (500, 500′), and the preform (22, 23) to form the optical element subsequently being injection-molded and/or over-molded in a second injection mold by applying at least one layer of plastic, which forms the optically effective surface (42, 43).
The present disclosure relates to a device for contactless optical imaging of features of a hand, wherein the device comprises an illumination arrangement for illuminating a measuring site with light of substantially a first wavelength and with light of at least substantially a second wavelength. The device further comprising a camera comprising a detector and objective configured for imaging the measuring site on the detector. Within the measuring site a region of depth of field of the objective with respect to the first wavelength overlaps with a region of depth of field of the objective with respect to the second wavelength.
The disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided is press molded, for example on both sides, between a first mold (UF) and at least one second mold (OF), to form the optical element (202) and is then sprayed with a surface treatment agent.
C03B 11/12 - Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine
C03C 17/22 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with other inorganic material
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
The invention relates to a centering system for generating centering data of a test subject, having an image capturing device for capturing image data of at least one sub-region of the head of the test subject in a time-based manner. An analysis unit is designed to generate the centering data from the image data captured by the image capturing device, and an inclinometer is designed to detect the inclination of the head of the test subject. The inclinometer has a head fastening, which is independent of spectacle frames and by means of which the inclinometer can be secured to the head of the test subject. The inclinometer has an inclination sensor which is secured to the head fastening and which detects the inclination of the head of the test subject in a time-based manner. The analysis unit generates centering data on the basis of the head inclination detected by the inclinometer precisely at the point in time or the points in time at which the image capturing device captured the image data.
A computer-implemented method for identifying relevant individual parameters of at least one eye of a spectacle wearer for the calculation or optimization of an ophthalmic lens for the at least one eye of the spectacle wearer, including: providing individual data on properties of the at least one eye of the spectacle wearer; constructing an individual eye model by defining a set of parameters of the individual eye model; and determining a probability distribution of values of the parameters of the individual eye model on the basis of the individual data.
The invention relates to a computer-implemented method and a corresponding device for the open-loop and/or closed-loop control of a process for manufacturing eyeglass lenses. The method comprises: gathering orders for the fabrication of eyeglass lenses or pairs of eyeglass lenses and storing the orders in an order data store; automatically sorting the stored orders in a sequence (insertion sequence), wherein the sorting is carried out in accordance with at least one sorting criterion; and inserting the eyeglass lenses or pairs of eyeglass lenses, which are to be fabricated in accordance with the individual orders, into the production, wherein the insertion of the eyeglass lenses or pairs of eyeglass lenses to be fabricated into the production is carried out at time-discrete intervals, and wherein, within a time-discrete interval, the eyeglass lenses or pairs of eyeglass lenses to be fabricated are inserted into the production in accordance with the insertion sequence. The invention also relates to a method and a device for manufacturing eyeglass lenses.
A method for operating a coating system for producing layer systems includes the steps of: (i) coating a layer system in a coating facility; (ii) determining a spectral actual measuring plot for the layer system in an optical measuring system; (iii) determining an actual data set by fitting a simulation target measuring plot to the actual measuring plot; (iv) determining actual layer parameters as computed actual layer parameters from the simulation target measuring plot by simulation of the layer system using the actual data set; (v) outputting the actual data set and the computed actual layer parameters at least to a decision system; (vi) providing quality requirement data; and (vii) deciding on an approval of the layer system in the decision system on the basis of a comparison of at least the actual data set, the computed actual layer parameters and. the quality requirement data. A coating system for producing layer systems is also disclosed.
C23C 16/52 - Controlling or regulating the coating process
C23C 16/00 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
C23C 14/00 - Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
C23C 14/54 - Controlling or regulating the coating process
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
01 - Chemical and biological materials for industrial, scientific and agricultural use
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Coating preparations or substances containing quartz; Sensitized coatings; Light-sensitive coating preparations or substances; Coatings (chemicals), other than paints; Coating preparations or substances (chemicals), other than paints; Coatings in the form of holographic film supports; Coating preparations or substances containing quartz for optical components, in particular lenses, prisms or fibres; Light-sensitive coatings for optical components, in particular lenses, prisms or fibres; Light-sensitive coating preparations or substances for optical components, in particular lenses, prisms or fibres; Coatings for optical components, in particular lenses, prisms or fibres; Coating preparations or substances for optical components, in particular lenses, prisms or fibres; Coating preparations or substances containing quartz for optical components consisting of glass or optical glass, in particular lenses, prisms or fibres; Sensitised coatings for optical components, of the following materials: glass, Optical glass, Plastics, Transparent plastics, Silicone, Hybrid material, Especially, Lenses, Prisms, Fibers; Sensitised coating compositions or substances for optical components, of the following materials: glass, Optical glass, Plastics, Transparent plastics, Silicone, Hybrid material, Especially, Lenses, Prisms, Fibers; Coatings for optical components, of the following materials: glass, Optical glass, Plastics, Transparent plastics, Silicone or Hybrid material, Especially, Lenses, Prisms or fibres; Coating compositions or substances for optical components, of the following materials: glass, Optical glass, Plastics, Transparent plastics, Silicone or Hybrid material, Especially, Lenses, Prisms or fibres; Coating preparations or substances containing quartz, of the following materials: glass, Optical glass; Light-sensitive coatings consisting of glass, optical glass, plastic, transparent plastic, silicone or hybrid material; Light-sensitive coating preparations or substances consisting of glass, optical glass, plastic, transparent plastic, silicone or hybrid material; Coatings consisting of glass, optical glass, plastic, transparent plastic, silicone or hybrid material; Coating preparations or substances consisting of glass, optical glass, plastic, transparent plastic, silicone or hybrid material. Optical parts and components manufactured from semi-finished glass goods, included in class 9, in particular lenses; Optical components made from plastic, silicone or hybrid material, included in class 9, in particular lenses; Optical parts and components, included in class 9, in particular lenses; Focus lenses; Optical lenses for vehicle headlights, optical lenses for headlights for automobiles, two-wheeled vehicles, three-wheeled vehicles and four-wheeled vehicles; Blank-pressed or injection-pressed optical parts and components or optical parts and components made by injection moulding, included in class 9, in particular lenses; Lenses, prisms, optical free-formed parts, in particular for precision optical and lighting technology applications; Optic and optoelectronic apparatus, equipment, instruments, components and construction elements included in class 9; Scientific apparatus and instruments for research and laboratory apparatus; Optical image processing apparatus; Optical and optoelectronic weighing, measuring, signalling, checking (supervision) and teaching apparatus, instruments and installations constructed therefrom; Lens; Lenses for projector headlamps; Coated lenses for projector headlamps; Lenses for vehicle headlights; Coated lenses for vehicle headlights; Lenses for projector headlamps for motor vehicles; Coated lenses for projector headlamps for motor vehicles; Lenses for dipped-beam headlights; Lenses for main-beam headlights; Lenses for fog lights; Coated lenses for full-beam headlights; Coated lenses for fog lights; Non-round lenses; Non-circular lenses; Square lenses; Rectangular lenses; Trapezoidal projection headlights; Non-circular lenses for projector headlights; Square lenses for projector headlights; Rectangular lenses for projector headlights; Trapezoidal lenses for projector headlights; Rhomboidal lenses for projector headlights; Parallelogram-shaped lenses for projector headlights; Optical apparatus and instruments; Solar concentrators; Optical cables; Light tunnels for deflecting or focusing light by means of total internal reflection; Solar modules for electricity generation; Optical parts and components produced by means of 3D printing, included in class 9, in particular lenses; Optical parts and components of silicone or plastic and produced by means of 3D printing, included in class 9, in particular lenses; Optical parts and components produced from silicone or plastic, included in class 9, in particular lenses; Spherical lenses for vehicle headlights; Free-form lenses for vehicle headlights; Prismatic lenses for vehicle headlights; Cut lenses for vehicle headlights; Optical glass; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, including, but not limited to, cells and batteries of all kinds, battery chargers, battery packs, chargers and charging stations, testers, power monitoring apparatus and control apparatus, power supply apparatus, adapters, controllers, players, storage modules; Apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs, including but not limited to flash and non-flash memory cards, drives, and readers, communication and telecommunications apparatus and instruments and accessories thereof; Compact discs, dvd's and other digital recordal media, data processing equipment and computers; Computer software; Lenses; Rhomboidal lenses; Parallelogram-shaped lenses; Non-round lenses for vehicle headlights; Non-circular lenses for vehicle headlights; Square lenses for vehicle headlights; Rectangular lenses for vehicle headlights; Trapezoidal lenses for vehicle headlights; Rhomboidal lenses for vehicle headlights; Parallelogram-shaped lenses for vehicle headlights; Non-round aspherical lenses; Non-circular aspherical lenses; Square aspherical lenses; Rectangular aspherical lenses; Trapezoidal aspherical lenses; Rhomboidal aspherical lenses; Parallelogram-shaped aspherical lenses; Non-round lenses for telecommunications accessories, including but not limited to transmitters; Electrochemical cells and batteries; Smartphones; Mobile telephones; Binoculars; Telescopes; Telescopic sights; Targeting and sighting instruments; Telescopic sights; Spotting scopes; Magnifying glasses [optics]; Lens arrays; Microlens arrays; Optical components, lens arrays and microlens arrays, in particular for projection systems for motor vehicles; Optical parts, optical components, lens arrays and micro-lens arrays for projection equipment, projectors, projection equipment, environmental projectors, door projectors, front projectors, heads-up displays, interior lighting, ambient lighting in particular for motor vehicles; Optical components and structures applied to one or both sides of a substrate, in particular microstructures; Head-up display devices; Heads-up displays for motor vehicles; Fingerprint scanners, Optical component parts for fingerprint scanners, optical components and component parts for fingerprint scanners; Optical scanners, Optical component parts for optical scanners, optical components and component parts for optical scanners. Vehicle headlights; Headlights for automobiles, two-wheeled vehicles, three-wheeled vehicles and four-wheeled vehicles; Lighting apparatus, spotlights; Low beam lights; High beam lights; Fog lights; Lighting units, apparatus and installations, and components thereof; Luminaires; Lighting devices for indoor and outdoor use; Lights with light-emitting diodes (LEDs); Fittings for lamps; Lighting systems; Recessed lights; Downlights; Projection systems, in particular for motor vehicles; Projectors, in particular for motor vehicles; Environmental projectors, in particular for motor vehicles; Door projectors, in particular for motor vehicles; Front projectors, in particular for motor vehicles; Interior lighting, in particular for motor vehicles; Ambient lighting, in particular for motor vehicles. Application of coatings to glass; Application of coatings to optical glass; Application of coatings to plastic, silicone or hybrid material; Application of coatings to transparent plastic, silicone or hybrid material; Application of coatings to optical components; Application of coatings to lenses, prisms or optical fibres; Application of coatings to optical components consisting of glass or plastic, silicone or hybrid material; Application of coatings to lenses consisting of glass or plastic, silicone or hybrid material, prisms consisting of glass or plastic, silicone or hybrid material or optical fibres consisting of glass or plastic, silicone or hybrid material; Surface finishing of optical components, in particular lenses, prisms and fibres; Surface finishing of optical components consisting of glass or plastic, silicone or hybrid material, in particular lenses, prisms and fibres; Coating of optical components consisting of glass or plastic, silicone or hybrid material, in particular lenses, prisms and fibres.
100.
Method for producing an optical element, for example a headlight lens for a motor vehicle headlight
The present disclosure relates to a method for producing an optical element, for example a lens, for example a headlight lens, for example for vehicle headlights or motor vehicle headlights, wherein an optical component part having an (optically effective) convex surface made of a first transparent optical material is provided and/or produced; a mold having a concave cavity and optical material is provided and/or produced; liquid transparent second optical material is placed into the concave cavity of the mold; and the optical component part having the convexly curved surface is pressed into the concave cavity of the mold such that an optically effective coating is formed on the convexly curved surface.
