A method implemented on a processor is disclosed, the method being configured for generating a mass identifier configured to be used in manufacturing one or more spectacle lenses, the method comprising: - generating one or more semi-finished spectacle lenses by using at least one tool mold (614), wherein a mass identifier for unique identification is assigned to each semi-finished spectacle lens, wherein the mass identifier is a unique identifier (310, 410) comprising an ID element (312, 412), wherein an ID generator service has multiple instances, wherein the unique identifier (310, 410) comprises a further element being uniquely configured, wherein the further element is a static parameter, which refers to a single instance of the ID generator service used for generating the ID element (312, 412) of the unique identifier (310, 410).
A mold apparatus for manufacturing a spectacle lens has one plastic mold element determining the front surface of the spectacle lens and either one glass mold element or one metal mold element determining the back surface of the spectacle lens. Further, a method for manufacturing the mold apparatus and a method for manufacturing a spectacle lens with the mold apparatus are disclosed.
An apparatus and a method for determining a choroidal topography over a region on a retina of an eye of a person are disclosed. The apparatus is also used to determine an effect of an ophthalmic lens design on the choroidal topography. The apparatus includes two individual displays, two optical transfer elements, a measuring device, and an optical filter. The displays provide a retinal stimulus and the optical transfer elements projects the retinal stimulus or a phase map to a region on a retina. The phase map contains a modified retinal stimulus. The measuring device images a choroidal topography over the region on the retina by capturing reflected light. The optical filter separates the reflected light from the projected phase map. Further, the second optical transfer element simultaneously projects the individual phase maps at a different retinal eccentricity to a peripheral region and a foveal region of the retina.
A61B 3/10 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures
4.
SPECTACLE LENS AND METHOD FOR GENERATING DESIGN DATA FOR A SPECTACLE LENS
A computer-implemented method generates design data for manufacturing a single vision spectacle lens having a prescribed power and an edge contour fitted to a predefined spectacle frame. Prescription information regarding the prescribed power for the spectacle lens and geometrical information regarding the predefined spectacle frame is provided. Moreover, a geometrical profile of at least one surface of the spectacle lens is optimized. Further, a spatial variation of a refractive index of the spectacle lens is optimized, wherein optimizing the geometrical profile of the surface of the spectacle lens and optimizing the spatial variation of the refractive index of the spectacle lens are carried out such that an optical power of the spectacle lens corresponds to the prescribed power and an edge thickness of an edge contour of the spectacle lens fitted to the geometrical information regarding the predefined spectacle frame varies by 0.5 mm or less over the edge contour.
An apparatus for accommodating an article in a vacuum-coating installation has a carrier with a coating opening and a retaining device for retaining the article in the coating opening. The retaining device has a pivot bearing that is secured on the carrier and a pivot axis, about which it is possible to pivot the retaining device to thereby turn the article in the coating opening. The pivot bearing has a bearing body with a circumferentially closed mount for a round body, which extends in the direction of the pivot axis, wherein the bearing body has a circumferentially closed mount and a circumferentially open mount for the round body, and therefore, when the retaining device is arranged on the carrier, the round body can be introduced through the circumferentially open mount into the circumferentially closed mount.
Spectacle lens comprising i) a structure-free simply connected central zone, said structure-free central zone comprising an optical centre of said spectacle lens or a fitting point of said spectacle lens, said optical centre being defined as in ISO 13666: 2019 (E), entry 3.2.15, said fitting point being defined as in ISO 13666: 2019 (E), entry 3.2.34, said central zone having a central zone width, said central zone having a central zone width, ii) a ring-shaped connected peripheral zone, said ring-shaped connected peripheral zone being limited by an onset line representing an absolute value of a difference in surface mean power above a predefined threshold, said absolute value of the difference in surface mean power being relative to a surface mean power at the optical centre of the spectacle lens or at the fitting point of the spectacle lens, characterized in that a plurality of structures being positioned between said simply connected structure-free central zone and said ring-shaped connected peripheral zone.
Spectacle lens comprising i) a structure-free simply connected central zone, said structure-free simply connected central zone comprising an optical centre of said spectacle lens or a fitting point of said spectacle lens, said optical centre being defined as in ISO 13666:2019(E), entry 3.2.15, said fitting point being defined as in ISO 13666:2019(E), entry 3.2.34, said structure-free simply connected central zone having a central zone width, said central zone having a central zone width, ii) a ring-shaped connected peripheral zone, said ring-shaped connected peripheral zone being limited by an onset line representing an absolute value of a difference in surface mean power above a predefined threshold, said absolute value of the difference in surface mean power being relative to a surface mean power at the optical centre of the spectacle lens or at the fitting point of the spectacle lens, characterized in that a plurality of structures being positioned between said structure-free simply connected central zone and said ring-shaped connected peripheral zone.
44 - Services médicaux, services vétérinaires, soins d'hygiène et de beauté; services d'agriculture, d'horticulture et de sylviculture.
Produits et services
Advertising, marketing and sales promotion; Provision of business assistance and commercial information and advice for consumers in the choice of products and services; Business assistance, management and administrative services. Human healthcare services.
12.
RECYCLING METHOD OF THERMOSET SPECTACLE LENS MATERIAL AND RELEVANT SPECTACLE LENS MATERIALS
CARL ZEISS VISION TECHNICAL SERVICES (GUANGZHOU) LTD. (Chine)
Inventeur(s)
Mergel, Olga
Novelli, Emanuele
Wagemann, Ernst Ulrich
Windbiel, Julian
Wan, Yucheng
Li, Arvin
Abrégé
The present invention provides a method for recycling a thermoset spectacle lens material by using vitrimerization process. The present invention also provides the recycled thermoset spectacle lens materials obtained therefrom. The method for manufacturing aspectacle lens material which can be recycled without adding foreign material employing vitrimerization process and the spectacle lens material manufactured therefrom are also provided.
C08J 11/10 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation
C08J 11/26 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation par traitement avec une substance organique par traitement avec des composés organiques contenant de l'oxygène contenant des groupes acide carboxylique, leurs anhydrides ou esters
13.
INK JET PRINTING METHOD OF TINTING A SPECTACLE LENS AND TINTED SPECTACLE LENS
An ink jet printing method of tinting a spectacle lens substrate includes providing a spectacle lens substrate having a front surface and a back surface, printing droplets of a first inkjet printing ink to form a first layer and droplets of a second inkjet printing ink to form a second layer, and curing the first layer and the second layer together in a combined curing step. The spectacle lens substrate can optionally be precoated. At least one inkjet printing ink is colored. The first layer and second layer each cover fully or partially the front surface and/or back surface, and at least partially overlap to form a stack. Moreover, a tinted spectacle lens having a non-linear color gradient, contoured di- or polychromatic pattern, contoured di- or polychromatic figure, di- or polychromatic alphabetic code, di- or polychromatic numerical code, di- or polychromatic alphanumerical code is disclosed.
CARL ZEISS VISION TECHNICAL SERVICES GUANGZHOU LTD. (Chine)
Inventeur(s)
Mergel-Kuehn, Olga
Novelli, Emanuele
Wagemann, Ernst Ulrich
Windbiel, Julian
Wan, Yucheng
Li, Jianyuan
Abrégé
The present invention provides a method for recycling a thermoset spectacle lens material by using vitrimerization process. The present invention also provides the recycled thermoset spectacle lens materials obtained therefrom. The method for manufacturing a spectacle lens material which can be recycled without adding foreign material employing vitrimerization process and the spectacle lens material manufactured therefrom are also provided.
C08J 11/10 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation
C08J 11/26 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation par traitement avec une substance organique par traitement avec des composés organiques contenant de l'oxygène contenant des groupes acide carboxylique, leurs anhydrides ou esters
15.
METHOD BEING CONFIGURED FOR CALCULATING BY A COMPUTER A COMPENSATED DIGITAL TWIN OF A SPECTACLE LENS
The invention discloses a method being configured for calculating by a computer a compensated digital twin of a spectacle lens for the purpose of a use of the compensated digital twin for a manufacture of the spectacle lens, said compensated digital twin being based on a predefined digital twin of a spectacle lens, the method is characterized in the step of: - combining a compensated surface of a predefined digital twin of a spectacle lens with a respective other surface of said predefined digital twin resulting in said compensated digital twin.
A computer-implemented method for calculating a digital twin of a spectacle lens is provided to use the digital twin for a manufacture of the spectacle lens. The digital twin has a predefined power distribution and contains a layer stack with a plurality of individual layers, each layer having a non-uniform layer thickness with a spatial variation and a uniform refractive index. The method includes determining the spatial variation of the layer thicknesses of the individual layers to achieve the predefined power distribution by a spatial control of optical path lengths.
A computer-implemented method for determining a refractive error of an eye of a person includes the following steps: a) generating input data containing a distance between the eye of the person and a visual stimulus displayed to the eye of the person and b) generating outcome data containing a refractive error of the eye of the person determined by evaluating the input data. A position of the entrance pupil of the eye of the person is considered when the refractive error of the eye of the person is determined. A computer program, a field device, a remote device, a determining device, a method for producing a geometrical model of a spectacle lens, and a method for producing a spectacle lens are also disclosed. The present disclosure provides a fast, easy, versatile, reliable, and accurate approach for determining a refractive error of an eye of a person.
A61B 3/032 - Dispositifs pour présenter des symboles ou des caractères d'épreuve, p. ex. projecteurs de mires
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/10 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient
A61B 3/113 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer ou enregistrer le mouvement de l'œil
A computer-implemented method for operating an optometry device includes the following steps: generating a first data set including information about a distance of a user of the optometry device to an object and tuning a tunable lens of the optometry device based on the distance of the user of the optometry device to the object based on the first data set. The first data set is generated by using a LiDAR sensor, which measures the distance of the user of the optometry device to the object by evaluating a scene represented by the first data set.
A61B 3/113 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer ou enregistrer le mouvement de l'œil
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/14 - Dispositions spécialement adaptées à la photographie de l'œil
G01S 17/08 - Systèmes déterminant les données relatives à la position d'une cible pour mesurer la distance uniquement
G01S 17/86 - Combinaisons de systèmes lidar avec des systèmes autres que lidar, radar ou sonar, p. ex. avec des goniomètres
22.
MASKING DEVICE FOR MASKING A SPECTACLE LENS PRODUCT IN A COATING DEVICE, COATING DEVICE AND METHOD FOR MANUFACTURING A SPECTACLE LENS PRODUCT
A masking device (100) for masking a spectacle lens product (102) in a coating device (118) is provided. The masking device (100) includes a holder element (104) for holding the spectacle lens product (102) relative to a carrier (106) of the coating device (118). The masking device (100) also includes a supporting frame (108) being mountable or mounted on the carrier (106) of the coating device (118), where the supporting frame (108) is rotatable about a rotational axis (114) when mounted at the carrier (106) and where the supporting frame (108) at least partially surrounds the holder element (104) when mounted at the carrier (106). The masking device (100) also includes a masking stencil (110) mounted at the supporting frame (108) such that the masking stencil (110) is movable from a masking position (112) to a hiding position (116) and vice versa by rotating the supporting frame (108) around the rotational axis (114).
The present invention relates to a method being configured for calculating, by a computer, data of a spectacle lens for the purpose of a use of the data for a manufacture of the spectacle lens, the method comprising the step of generating data of a randomly modulated surface for said spectacle lens and the method being characterized in that said data of said randomly modulated surface resulting from an application of a continuous random surface modulation function or a scaled continuous random surface modulation function to a predefined surface for said spectacle lens.
The present invention refers to a method for manufacturing a spectacle lens, the method comprising the step of curing a structured coating material on a surface of a spectacle lens, said structured coating material resulting in a structured coating on said surface of said spectacle lens, a structure of said structured coating providing a reduced light reflection to said spectacle lens, said structured coating material being a coating material, said coating material resulting in a coating providing an enhanced hydrophobicity to said spectacle lens, irrespective of said structure of said structured coating, the method being characterized in that said coating material resulting in said coating provides an enhanced abrasion resistance to said spectacle lens, irrespective of said structure of said structured coating.
B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs
G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
G02B 1/118 - Revêtements antiréfléchissants ayant des structures de surface de longueur d’onde sous-optique conçues pour améliorer la transmission, p. ex. structures du type œil de mite
25.
AN APPARATUS AND A METHOD CONFIGURED FOR DETERMINING A CHOROIDAL TOPOGRAPHY OVER A REGION ON A RETINA
The present invention relates to an apparatus (110) and a method (210) configured determining a choroidal topography (218) over a region (114, 114') on a retina (116) of an eye (117) of a person as well as to a use of the apparatus (110) for determining an effect of at least one ophthalmic lens design on the choroidal topography (218). Herein, the apparatus (110) comprises: - at least two individual displays (122, 122') each configured for providing a retinal stimulus (112, 112'), thereby providing two independent retinal stimuli (112, 112'); - at least two optical transfer elements, comprising a first optical transfer element and a second optical transfer element, each configured for projecting at least one of the retinal stimulus (112, 112') or a phase map to a region on a retina of an eye of a person, wherein the phase map comprises a modified retinal stimulus; - a measuring device (142) for capturing a choroidal topography (218) over the region (114, 114') on the retina (116) of the eye (117) of the person by using reflected light received from the region (114, 114') on the retina (116) of the eye (117) of the person; - an optical filter (152) configured for separating the reflected light received from the region (114, 114') on the retina (116) of the eye (117) of the person from the phase map projected to the region (114, 114') on the retina of the eye of the person, wherein the second optical transfer element is further configured for simultaneously projecting each of the at least two individual phase maps at a different retinal eccentricity to each of at least two separate regions (134, 134') on the retina (116) of the eye (117) of the person, wherein the separate regions (134, 134') comprise a peripheral region and a foveal region on the retina (116) of the eye (117) of the person.
A61B 3/10 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
26.
SYSTEM, SPECTACLE FRAME, COMPUTER-IMPLEMENTED METHOD, AND COMPUTER PROGRAM FOR CONTROLLING A PROGRESSION OF MYOPIA IN AT LEAST ONE EYE OF A PERSON
The present invention relates to a system (110), a spectacle frame (112), a computer- implemented method, and a computer program for controlling a progression of myopia in at least one eye of a person, wherein the system comprises: - a spectacle frame (112) comprising a pair of spectacle lenses (114, 114') and at least one of the spectacle lenses (114, 114') incorporated by the spectacle frame (112), wherein the spectacle frame (114) or at least one of the spectacle lenses (114, 114') are configured for applying a treatment process during a period of time, wherein the treatment process is designed for reducing the progression of myopia in at least one eye of a person, wherein the treatment process is determined by at least one characteristic parameter, wherein the treatment process is selected from a class of treatment processes comprising: ∙ an optical treatment of the at least one eye of the person; ∙ a radiation treatment of the at least one eye of the person; ∙ a pharmaceutical treatment of the at least one eye of the person; and ∙ a behavioral treatment of the person, and - a processing device (116) configured for determining at least one result of the treatment process on the progression of the myopia in the at least one eye of the person, wherein the spectacle frame (112) or at least one of the spectacle lenses (114, 114') are configured for applying at least two treatment processes, each selected from a different class, simultaneously to the person during a first period of time (210).
G02C 7/08 - Verres auxiliairesDispositions pour faire varier la distance focale
A61F 9/00 - Procédés ou dispositifs pour le traitement des yeuxDispositifs pour mettre en place des verres de contactDispositifs pour corriger le strabismeAppareils pour guider les aveuglesDispositifs protecteurs pour les yeux, portés sur le corps ou dans la main
G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
A61N 5/06 - Thérapie par radiations utilisant un rayonnement lumineux
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
scsc (216) of the eye (112) of the person; - a meridian direction (220) of an astigmatism of the eye (112) of the person; - a distance (140) between the eye (112) of the person and at least one visual stimulus (118) displayed to the eye (112) of the person, wherein the at least one visual stimulus (118) is simultaneously aligned in the meridian direction (220) of the astigmatism and a direction perpendicular thereto; b) generating outcome data (222) configured to comprise - at least one refractive value (212) of the eye (112) of the person, wherein the at least one refractive value (212) of the eye (112) of the person is determined by evaluating the input data (214), wherein the distance (140) between the eye (112) of the person and the at least one visual stimulus (118) is determined from response of the person indicating that the at least one visual stimulus (118) has been perceived by the person to have an equivalent blur in the meridian direction (220) of the astigmatism and in the direction perpendicular thereto. The present invention provides a fast, easy, versatile, reliable and accurate approach for determining at least one refractive value (212) of an eye (112) of a person.
The present invention refers to a method (218), a computer program, and an apparatus (110) for determining at least one refractive value (216) of an eye (112) of a person (114) and to a related method (210) for producing at least one ophthalmic lens (212) for the eye (112) of the person (114). The method (218) comprises the following steps: a) (220) displaying a visual stimulus (120) to an eye (112) of a person (114), wherein the visual stimulus (120) comprises a plurality of concentric radial lines (126, 126',...), wherein each radial line (126, 126',...) has a different angular value (128, 128',...) with respect to a center (130) of the visual stimulus (120); b) (224) recording a reaction by the person (114) to the visual stimulus (120); and c) (226) determining at least one refractive value (216) of the eye (112) of the person (114) by evaluating the reaction by the person (114) to the visual stimulus (120), wherein step a) (220) comprises that each radial line (126, 126',...) is projected at a particular defocus plane to the eye (112) of the person (114), whereby a particular dioptric power is provided to the eye (112) of the person (114), and wherein step b) (224) comprises that recording the reaction by the person (114) to the visual stimulus (120) indicates that a particular radial line (144) at a particular angular value (146) has an appearance of maximum sharpness (148) to the eye (112) of the person (114).
A61B 3/032 - Dispositifs pour présenter des symboles ou des caractères d'épreuve, p. ex. projecteurs de mires
A61B 3/036 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen d'acuité visuelleAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination de la réfraction, p. ex. phoromètres pour détecter l'astigmatisme
29.
SPECTACLE LENS COMPRISING RING-SHAPED STRUCTURES AND METHOD
The present invention relates to a spectacle lens comprising a plurality of ring-shaped structures, each ring-shaped structure having a uniform width, one ring-shaped structure or more ring-shaped structures of said plurality of ring-shaped structures each having a varying power, the spectacle lens being characterized in that a variation of a surface mean power comprises one random component or more random components, said variation being along a ring-shaped path within said one ring-shaped structure or along a ring-shaped path within a same ring-shaped structure of each of said more ring- shaped structures.
Provided is a computer-implemented method (200) for providing an occupation order (100) for transferring lens blanks (18) from a first carrier (10) to a second carrier (14). The method (200) comprises receiving (202) carrier identification information about the first carrier (10) having a first number of slots (12) and the second carrier (14) having a second number of slots (16), wherein each of the slots (14) is adapted to carry a lens blank (18). The method further comprises determining (204) an arrangement of the first number of slots (12) at the first carrier (10) and an arrangement of the second number of slots (16) at the second carrier (14) based on the received information. Moreover, the method comprises defining (206) an assignment of at least a part of the first number of slots (12) of the first carrier (10) to a corresponding number of the second number of slots (16) of the second carrier (14), and providing (208) a control signal and/or instructions for transferring multiple lens blanks (18) from at least the part of the first number of slots (12) of the first carrier (10) to the corresponding number of the second number (16) of slots of the second carrier (14) according to the defined assignment.
B24B 13/00 - Machines ou dispositifs conçus pour meuler ou polir les surfaces optiques des lentilles ou les surfaces de forme similaire d'autres piècesAccessoires à cet effet
B24B 41/00 - Éléments constitutifs des machines ou dispositifs à meuler, tels que bâtis, bancs, chariots ou poupées
B65G 29/00 - Transporteurs rotatifs, p. ex. disques, bras, croisillons ou cônes rotatifs
B65G 35/06 - Transporteurs mécaniques non prévus ailleurs comportant un porte-charges se déplaçant le long d'un circuit, p. ex. d'un circuit fermé, et adapté pour venir en prise avec l'un quelconque des éléments de traction espacés le long du circuit
B65G 37/02 - Diagramme d'opérations pour les combinaisons de transporteurs dans les entrepôts, magasins ou ateliers
B65G 47/53 - Dispositifs pour transférer objets ou matériaux entre transporteurs, p. ex. pour décharger ou alimenter entre transporteurs se croisant
31.
COMPUTER IMPLEMENTED METHOD OF DETERMINING A BASE CURVE FOR A SPECTACLE LENS AND METHOD OF MANUFACTURING A SPECTACLE LENS
A computer-implemented method of determining a base curve value representing a base curve for a front surface of a spectacle lens is disclosed. The method includes receiving individual prescription data and determining the base curve value for the front surface of the spectacle lens based on the prescription data. In particular, the base curve value is calculated from the received prescription data based on a functional relationship between one or more values included in the prescription data and the base curve value.
Provided are a method and a device for generating a set of virtual representation data of a spectacle lens. A set of scanning data of a profile of an edge surface of the spectacle lens is obtained by scanning the edge surface using an optical scanner. Further, a set of imaging data is obtained with a camera facing a front or a back surface of the spectacle lens. Additionally, generating a set of virtual representation data of the spectacle lens is based on the set of scanning data and the set of imaging data. Further, a set of virtual representation data is provided, its use for characterizing an accuracy of fit of the spectacle lens, and/or for monitoring a manufacturing process, as well as a method for manufacturing a spectacle lens. The optical scanner is a laser scanner for scanning a height profile of the edge surface.
A computer-implemented method for generating printing instructions for inkjet printing a spectacle lens, wherein the printing instructions are based on a digital twin of the spectacle lens, the digital twin being sliced into a layer stack. The method includes the steps of 1) positioning a volume element in a discrete xm+1, ym+1, zm+1 . . . xn+1, yn+1, zn+1 position of a layer of the layer stack, based on a positioning of a volume element in a discrete xm, ym, zm . . . xn, yn, zn position of an adjacent layer of the layer stack; or 2) not positioning a volume element in a discrete xm+1, ym+1, zm+1 . . . xn+1, yn+1, zn+1 position of a layer of the layer stack, based on a positioning of a volume element in a discrete xm, ym, zm . . . xn, yn, zn position of an adjacent layer of the layer stack.
A method of providing refractive microstructures on a surface of a spectacle lens body by an additive manufacturing process is provided, in which the refractive microstructures are formed by applying and curing a curable material. The process includes forming a layer of a first liquid or viscous curable material and an additional amount of the first curable material or an amount of a second liquid or viscous curable material at locations at which the refractive microstructures shall be formed before curing or pinning the at least one first curable material. Protrusions formed by the additional first curable material or the second curable material are levelled out by material transport processes within the liquid or viscous material in the layer of the at least one curable material. In addition, a spectacle lens with refractive microstructures is provided.
A device (10) for determining a contact pressure during a cleaning process for a spectacle lens is provided. The device (10) comprises a spectacle lens dummy (12) and a pressure sensor (14) arranged on and/or in the spectacle lens dummy (12) and designed to detect a contact pressure applied to the spectacle lens dummy (12) during a cleaning process for the spectacle lens dummy (12) and to provide information depending on the detected contact pressure.
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
37.
MOUNTING FRAME AND METHOD FOR COATING A SPECTALE LENS PRODUCT
Provided is a mounting frame (10) suitable for mounting a spectacle lens product (12) in a coating process. The mounting frame (10) comprises a frame element (14) adapted to surround at least partially a circumferential edge (12a) of the spectacle lens product (12) when mounted in the mounting frame (10), and a mechanical clamp element (16) adapted to mechanically fixate a mounting extension (18) of the spectacle lens product to the frame element (10), when the spectacle lens product (12) is mounted in the mounting frame (10). The mounting frame (10) is characterized in that the frame element (14) is made of a heat- sustainable polymeric material sustaining a temperature of at least 120° C.
C23C 14/56 - Appareillage spécialement adapté au revêtement en continuDispositifs pour maintenir le vide, p. ex. fermeture étanche
B05C 3/09 - Appareillages dans lesquels un ouvrage est mis en contact avec une grande quantité de liquide ou autre matériau fluide l'ouvrage étant immergé dans le liquide ou autre matériau fluide pour traiter des objets individuels
B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
B05C 13/02 - Moyens pour manipuler ou tenir des objets, p. ex. des objets individuels pour des objets particuliers
B05D 1/18 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par immersion
The present invention provides a method configured for tinting a spectacle lens (1) by applying a tinting solution at least to a first area (50) of a surface the spectacle lens, wherein the surface of the spectacle lens comprises a second area (10) which has been subject to an irradiation, characterized in that at least the second area (10) of the surface having been uncoated when the irradiation is provided.
The present invention relates to a method for calculating a digital twin of a spectacle lens having a curved lens surface for the purpose of a use of the digital twin for a manufacture of the spectacle lens, said digital twin of the spectacle lens comprising a layer stack with individual layers, the method being characterized in the step of - determining said layer stack such that a form of an interface of an individual layer replicates said curved lens surface of said digital twin.
The invention provides a method 100 for applying a marking 1, 1a, 1b on a surface 2 of a glass mold 3 suitable for manufacturing a marked spectacle lens blank 4. The method 100 comprises applying a pattern 5 of a masking agent 6 on a preselected part of the surface 2 of the glass mold 3 by inkjet-printing.
B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
C03C 15/00 - Traitement de surface du verre, autre que sous forme de fibres ou de filaments, par attaque chimique
C03C 17/28 - Traitement de surface du verre, p. ex. du verre dévitrifié, autre que sous forme de fibres ou de filaments, par revêtement par des matières organiques
A coated lens has a stamping which contains one or more ring-shaped focusing structures. A method for manufacturing such a coated lens is provided in which a coating composition is stamped. The coating composition includes at least one of an epoxide component and a (meth)acrylate component. The ring-shaped focusing structure(s) provide an additional power compared to the central clear zone of the coated lens.
C09D 163/00 - Compositions de revêtement à base de résines époxyCompositions de revêtement à base de dérivés des résines époxy
B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
B29K 75/00 - Utilisation de polyurées ou de polyuréthanes comme matière de moulage
C08G 59/32 - Composés époxydés contenant au moins trois groupes époxyde
C08G 59/40 - Macromolécules obtenues par polymérisation à partir de composés contenant plusieurs groupes époxyde par molécule en utilisant des agents de durcissement ou des catalyseurs qui réagissent avec les groupes époxyde caractérisées par les agents de durcissement utilisés
A 3D printing apparatus for manufacturing a workpiece has a first radiation source to carry out a non-linear absorption polymerization and a second radiation source to carry out optical coherence tomography. A first beam path is traversed by the first radiation and a second beam path is traversed by the second radiation. The first and second beam paths are formed completely independently of one another. Further, a 3D printing method for manufacturing a workpiece, another 3D printing apparatus, and methods for analyzing the quality of a raw material of a non-linear absorption polymerization; checking an orientation of a substrate to be printed by non-linear absorption polymerization; determining a spatially resolved degree of conversion of a non-linear absorption polymerization; analyzing a structural sharpness of a structure produced by non-linear absorption polymerization; and for three-dimensional reconstruction of a workpiece manufactured by non-linear absorption polymerization are disclosed.
B29C 64/277 - Agencements pour irradiation utilisant des moyens de rayonnement multiples, p. ex. des micro-miroirs ou des diodes électroluminescentes multiples [LED]
B29C 64/135 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective caractérisés par la source d'énergie à cet effet, p. ex. par irradiation globale combinée avec un masque la source d’énergie étant concentrée, p. ex. lasers à balayage ou sources lumineuses focalisées
B29C 64/268 - Agencements pour irradiation par faisceaux laserAgencements pour irradiation par faisceaux d’électrons [FE]
B29C 64/386 - Acquisition ou traitement de données pour la fabrication additive
A head image registration uses a plurality of combined 2D and depth images, for example RGBD images, of a head recorded from different positions. Landmark points are determined for each of the combined images. The registration is performed as a coarse registration based on the landmark points followed by a fine registration based on full point clouds. Based on the registration, a head model may be generated.
G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques
G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
A spectacle lens has a central clear zone and one or more ring-shaped focusing structures, each ring-shaped focusing structure having a respective width and a surface-based fill factor being larger than 17% and equal to or lower than 70% for a respective width in a range of 0.6 mm to 0.7 mm.
A method of head image capturing is provided, which includes: capturing, with a mobile device, a first image of at least an eye portion of a head of a person, and capturing second images of the head with the mobile device while the head is turning in a first direction relative to the mobile device. The method entails searching for predefined landmarks in each of the second images, and stopping capturing the second images in response to identifying at least a predefined subset of the predefined landmarks in a second image of the plurality of second images. A corresponding mobile device is also provided.
A computer-implemented method determines at least one visual parameter of at least one eye of a person. A first visual stimulus and a second visual stimulus are displayed at the same time on a screen effecting a resulting eye movement depending on the at least one visual parameter. The first visual stimulus or the second visual stimulus is a pursuit stimulus. An apparatus for determining a visual parameter of at least one eye of a person is also disclosed. By displaying the at least one first visual stimulus and the at least one second visual stimulus, particularly with at least one differing visual stimulus parameter, at the same time on the screen, a more robust and more exact determination of the visual parameter is achieved compared to a method wherein only one visual stimulus is being displayed.
A61B 3/032 - Dispositifs pour présenter des symboles ou des caractères d'épreuve, p. ex. projecteurs de mires
A61B 3/02 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient
A61B 3/024 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination du champ de vision, p. ex. périmètres
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
A61B 3/113 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer ou enregistrer le mouvement de l'œil
50.
METHOD AND DEVICE FOR FACE POSE ESTIMATION AND DETERMINATION OF CENTRATION PARAMETERS
A computer-implemented method suitable for pose estimation of a face of a person is provided. The method comprises identifying (10) a plurality of landmarks in a combined 2D and depth image of the face, and estimating (11) the pose of the face based on a principal component analysis of the plurality of landmarks. The estimated posed may the be used for determining centration parameters. Corresponding devices and computer programs are also discussed.
The invention relates to a device (200) for turning spectacle lenses (101) in a coating apparatus (100), comprising a carrier (105) which is rotatably mounted about a axis of rotation (107) and on which a plurality of lens holders (109) are arranged on concentric wreaths (112) of different diameters in order to hold the spectacle lenses (101) to be coated, wherein the lens holders (109) are mounted such that they can be turned about a pivot axis (110) by means of a magnetic force generated by a magnetic field generator (113). The magnetic field generator (113) is configured such that the magnetic field (117) generated by the magnetic field generator (113) is substantially constant over at least two adjacent wreath (112).
The present invention provides a method for applying a pattern (2) on a spectacle lens substrate (1). The method comprises producing a low contact angle surface on a preselected part of a surface of a spectacle lens (4) and providing a hard coating composition (70) and optionally a primer coating composition to the spectacle lens substrate (1).
Provided is a vacuum blocking piece for vacuum blocking a lens blank is provided. The vacuum blocking piece comprising a support element having an upper part and a lower part, wherein the lower part is adapted to engage with a clamping device for clamping the vacuum blocking piece. The vacuum blocking piece further comprises a fluid-permeable blank contacting element, wherein the blank contacting element is fluid-permeable and at least an upper surface of the blank contacting element, which is adapted to contact the lens blank, is made of an elastic material, the blank contacting element further having a lower surface (24) for contacting the upper part of the support element. The vacuum blocking piece is adapted to fixate the lens blank to the upper surface of the blank contacting element by applying a vacuum within the blocking piece to provide a suction through essentially the entire upper surface of the blank contacting element to suck the lens blank to the upper surface of the blank contacting element and to suck the blank contacting element to the upper part of the support element.
COMPUTER-IMPLEMENTED METHOD FOR DETERMINING PRINTING PARAMETER VALUES OF AN INKJET PRINTING DEVICE, A DATA PROCESSING SYSTEM, A METHOD FOR INKJET PRINTING AND AN INKJET PRINTING DEVICE
A computer-implemented method for determining printing parameter values of an inkjet printing device for printing a pattern on a surface of a spectacle lens substrate is provided. The inkjet printing device includes a printhead with a plurality of printing nozzles. The method includes: grouping the plurality of printing nozzles into at least two printing nozzle groups, and individually determining a printing parameter value for at least one adjustable printing parameter of each printing nozzle group. In addition, a data processing system, a computer program, a non-transitory computer-readable storage medium, a method for inkjet printing, an inkjet printing device, and a spectacle lens substrate with a pattern printed on a surface of the spectacle lens substrate are provided.
B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
B41M 3/00 - Procédés d'impression pour des travaux imprimés d'un genre particulier, p. ex. motifs
59.
METHODS AND DEVICES FOR MANUFACTURING A PLURALITY OF OPTICAL LENSES
The present invention relates to a method (210) and a device (110) for manufacturing a plurality of optical lenses (112, 112', 112'', 112'''), a method (230) and a device for providing data sets for the plurality of the optical lenses (112, 112', 112'', 112''') to at least one manufacturing machine (124, 124', 124''), and a corresponding computer program. Herein, the method (230) for providing the data sets for the plurality of the optical lenses (112, 112', 112'', 112''') comprises the following method steps: a) generating data sets for a plurality of optical lenses (112, 112', 112'', 112'''), wherein the data set for at least one particular optical lens (112, 112', 112'', 112''') at least comprises: - a first item (216) of information related to an identifier for the at least one particular optical lens (112, 112', 112'', 112'''); and - a second item (218) of information related to at least one of: o at least one manufacturing machine (124, 124', 124') configured for performing at least one manufacturing step at the at least one particular optical lens (112, 112', 112'', 112'''); or o the at least one manufacturing step to be performed at the at least one particular optical lens by using the at least one manufacturing machine (124, 124', 124'); c) transmitting the data set for each optical lens (112, 112', 112'', 112''') to at least one server (130, 130', 130'') configured for operating the at least one manufacturing machine (124, 124', 124') designated for performing the at least one manufacturing step; and b) providing the data set for the at least one particular optical lens (112, 112', 112'', 112''') to be retrieved by the at least one manufacturing machine (124, 124', 124') for manufacturing the at least one particular optical lens (112, 112', 112'', 112''').
G06Q 10/063 - Recherche, analyse ou gestion opérationnelles
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation
60.
METHODS AND DEVICES FOR MANUFACTURING AT LEAST ONE OPTICAL LENS
The present invention relates to a method (210) and a device (110) for manufacturing at least one optical lens (112, 112', 112'', 112'''), a method (230) and a device for controlling at least one manufacturing machine (124, 124', 124'') or at least one manufacturing step, and a corresponding computer program. Herein, the method (230) for controlling at least one manufacturing machine (124, 124', 124'') or at least one manufacturing step comprises the following method steps: a) determining at least one status value related to at least one of the manufacturing machine (124, 124', 124') or the manufacturing step; b) comparing the at least one status value with at least one recommended value; c) assigning a difference between the status value and the recommended value into at least two classes according to the difference; and, d) depending on the class, reporting the status value to at least one of the manufacturing machine (124, 124', 124') or a manufacturing executing system (120).
Methods and devices related to spectacle frame recommendation are provided. For configuring a device for frame recommendation, frame data is clustered into a plurality of frame data clusters, and head data is clustered into a plurality of head data clusters. A mapping between the head data clusters and the frame data clusters is performed. For recommendation of a frame to a person, head data of the person is obtained, and a head data cluster is identified based on the head data. Based on the identified head data cluster and the mapping, a frame data cluster is selected which forms the basis for the recommendation.
CARL ZEISS VISION TECHNICAL SERVICES (GUANGZHOU) LTD. (Chine)
Inventeur(s)
Zhou, Jun
Abrégé
Provided is a method (300) for applying a marking structure (22) to a casting mold (10) for manufacturing a spectacle lens blank (12). The method (300) comprises generating (302) the marking structure (22) at an inner surface of at least one part of the casting mold (10) by selectively applying a laser radiation to an intended position of the marking structure (22). The method (300) is characterized in that the laser radiation is selectively applied such as to generate the marking structure (22) as one or more protrusions (24, 32) of the inner surface of the at least one part of the casting mold (10) by laser-induced swelling of the casting mold (10) at the intended position of the marking structure (22).
CARL ZEISS VISION TECHNICAL SERVICE (GUANGZHOU) LTD. (Chine)
Inventeur(s)
Zhou, Jun
Abrégé
Provided is a method (300) for applying a marking structure (22) to a casting mold (10) for manufacturing a spectacle lens blank (12). The method (300) comprises generating (302) the marking structure (22) at an inner surface of at least one part of the casting mold (10) by selectively applying a laser radiation to an intended position of the marking structure (22). The method (300) is characterized in that the laser radiation is selectively applied such as to generate the marking structure (22) as one or more protrusions (24, 32) of the inner surface of the at least one part of the casting mold (10) by laser-induced swelling of the casting mold (10) at the intended position of the marking structure (22). At least the inner surface of the casting mold (10) comprises or is made of an inorganic glass. Generating the marking structure (22) as one or more protrusions (24, 32) of the inner surface of the at least one part of the casting mold (10) by laser-induced swelling includes selectively melting at least a part of the casting mold (10) at the intended position of the marking structure (22).
A computer-implemented method suitable for gradient spectacle lens evaluation and a corresponding computer are provided. Measurement data indicating at least one of color or transmission of a plurality of measurement points along at least one line across the spectacle lens is received. The method further comprises calculating scalar values representing a difference of the measurement data of adjacent or overlapping measurement point groups of the plurality of measurement points. The spectacle lens is then evaluated based on the scalar values.
Provided is a computer-implemented method (11) being configured for generating a 3D representation (5) derived from an original 3D representation (1) of an object, wherein the method comprises generating (S1) 2D images (3) of the original 3D representation (1) comprising a silhouette map (31), and generating (S2) the 3D representation (5) based on the generated silhouette maps (31), characterized in that generating (S1) the 2D images (3) of the original 3D representation (1) comprises determining (S12) positions (2) located around the original 3D representation (1), and generating (S14) a 2D image (3) of the original 3D representation (1) for each of the determined positions (2), wherein a number of the positions (2) depends on dimensions of the original 3D representation (1).
A progressive spectacle lens, a method for its production, and a related computer program are disclosed. The progressive spectacle lens has a progressive surface including a central viewing zone, a lower viewing zone, two peripheral vision zones extending bilaterally from a vertical meridian of the progressive surface, and an upper viewing zone. The central viewing zone has a surface power providing a first refracting power for distance vision and the lower viewing zone has a greater surface power than the central viewing zone providing a second refracting power corresponding to near vision and being connected to the central viewing zone by a first progressing power region. The progressive spectacle lens generates a retarding or arresting effect on myopia progression, especially in myopic juveniles.
A coating device for dip coating an ophthalmic lens is provided. The coating device includes a lacquer basin for receiving a lacquer mixture, which contains a lacquer and a solvent. The coating device has an overflow channel arranged at the lacquer basin for collecting the lacquer mixture overflowing from the lacquer basin, and a tubing system for providing an influx of the lacquer mixture to the lacquer basin, which is connected to the overflow channel for collecting a return flux of the lacquer mixture from the overflow channel to enable circulation of the lacquer mixture through the lacquer basin, the overflow channel, and the tubing system. The coating device includes a supply unit for dosing the lacquer and the solvent for the lacquer mixture, which is connected to the tubing system and configured to feed at least one of the lacquer and the solvent directly into the tubing system.
B05C 11/10 - Stockage, débit ou réglage du liquide ou d'un autre matériau fluideRécupération de l'excès de liquide ou d'un autre matériau fluide
B05C 3/09 - Appareillages dans lesquels un ouvrage est mis en contact avec une grande quantité de liquide ou autre matériau fluide l'ouvrage étant immergé dans le liquide ou autre matériau fluide pour traiter des objets individuels
G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs
A progressive spectacle lens, a method for its production, and a related computer program are disclosed. The progressive spectacle lens has a progressive surface including a central viewing zone, a lower viewing zone, two peripheral vision zones extending bilaterally from a vertical meridian of the progressive surface, and an upper viewing zone. The central viewing zone has a surface power providing a first refracting power for distance vision and the lower viewing zone has a greater surface power than the central viewing zone providing a second refracting power corresponding to near vision and being connected to the central viewing zone by a first progressing power region. The progressive spectacle lens generates a retarding or arresting effect on myopia progression, especially in myopic juveniles.
A spectacle lens contains a composition exhibiting a negative photochromic property and a composition exhibiting a positive photochromic property. Moreover, a method for manufacturing a spectacle lens is disclosed, wherein the method includes the following method steps: S1: providing a spectacle lens substrate; S2: arranging a composition exhibiting a negative photochromic property on a surface of the spectacle lens substrate; and S3: arranging a composition exhibiting a positive photochromic property on a surface of the spectacle lens substrate and/or incorporating a composition exhibiting a positive photochromic property into the spectacle lens substrate.
A computer-implemented method for training of a machine learning model for determining a confidence value during at least one test cycle of a vision testing procedure is disclosed. The confidence value is designated to determine at least one action in at least one subsequent test cycle of the vision testing procedure. Further, a trained machine learning model, a computer program having instructions for training of the machine learning model and a training apparatus are disclosed. Additionally, a computer-implemented method for performing the vision testing procedure on a person, a computer program having instructions for performing the vision testing procedure, a vision test apparatus, and a method for producing a geometrical model of at least one spectacle lens for manufacturing of at least one spectacle lens are disclosed.
A61B 3/024 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination du champ de vision, p. ex. périmètres
A61B 3/028 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen d'acuité visuelleAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination de la réfraction, p. ex. phoromètres
A61B 3/06 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen de sensibilité à la lumière, p. ex. d'adaptationAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen de vision des couleurs
CARL ZEISS VISION TECHNICAL SERVICE (GUANGZHOU) LTD. (Chine)
Inventeur(s)
Liu, Ouyang
Zhang, Songjin
Philipp, Jester
Abrégé
The invention relates to a digital twin of a spectacle lens configured for the purpose of a use of the digital twin for manufacturing the spectacle lens comprising one ring-shaped structure or more ring-shaped structures or one ring-shaped diffusing structure or more ring-shaped diffusing structures and to a computer-implemented method configured for calculating a digital twin of a spectacle lens for the purpose of manufacturing the spectacle lens.
The invention relates to a digital twin of a spectacle lens configured for the purpose of a use of the digital twin for manufacturing the spectacle lens comprising one ring-shaped structure or more ring- shaped structures or one ring-shaped diffusing structure or more ring-shaped diffusing structures and to a computer-implemented method configured for calculating a digital twin of a spectacle lens for the purpose of manufacturing the spectacle lens.
The invention is directed to a method configured designing a digital twin of a coated spectacle lens by means of a computer for the purpose of a use of the digital twin for manufacturing the coated spectacle lens, and to a method for manufacturing a coated spectacle lens.
A computer-implemented method, a computer program, an apparatus, and a remote apparatus for determining at least one visual performance of at least one eye of a person for a plurality of points in a visual field of the person from tracking data by using at least the first spatial location of at least one visual fixation mark and the second spatial location of at least one visual stimulus are disclosed. An attention level of the person is determined by evaluating a time-related difference in reaction times between at least one particular measurement cycle and at least one subsequent measurement cycle. The automated visual performance test can be performed by any person irrespective of being an ophthalmologist or optometry specialist or not, particularly by using a mobile device.
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/113 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer ou enregistrer le mouvement de l'œil
75.
DEVICES AND METHODS FOR DETERMINING DATA RELATED TO A PROGRESSION OF REFRACTIVE VALUES OF A PERSON
A processing device, a computer-implemented method, and a computer program for determining data related to a progression of refractive values of a person; and a system, a computer-implemented method, and a computer program for providing data related to a progression of refractive values are disclosed. The processing device receives data related to a person, including a refractive status of the person; age, gender, and ethnicity of the person; and a risk factor related to the person; and determines data related to the progression of refractive values deploying a machine learning algorithm, wherein the machine learning algorithm includes at least one prediction model for determining a relationship between the data related to the person and the progression of the refractive values of the person. By using the processing device, the system, the computer-implemented methods, and the computer programs the prediction of both myopia onset and myopia progression can be improved.
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
A61B 3/028 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen d'acuité visuelleAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination de la réfraction, p. ex. phoromètres
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p. ex. pour des dossiers électroniques de patients
G16H 50/30 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le calcul des indices de santéTIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour l’évaluation des risques pour la santé d’une personne
G16H 50/50 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour la simulation ou la modélisation des troubles médicaux
Provided is a computer-implemented method for generating design data for a single vision spectacle lens suitable for the purpose of a use of the design data for manufacturing the spectacle lens having a prescribed power and an edge contour fitted to a predefined spectacle frame. The method comprises providing prescription information regarding the prescribed power for the spectacle lens and geometrical information regarding the predefined spectacle frame. Moreover, the method comprises optimizing a geometrical profile of at least one surface of the spectacle lens. The method further comprises optimizing a spatial variation of a refractive index of the spectacle lens, wherein the optimizing the geometrical profile of at least one surface of the spectacle lens and the optimizing the spatial variation of the refractive index of the spectacle lens are carried out such that an optical power of the spectacle lens corresponds to the prescribed power and an edge thickness of an edge contour of the spectacle lens fitted to the geometrical information regarding the predefined spectacle frame varies by 0,5 mm or less over the edge contour.
Provided is a spectacle lens, comprising a clear region arranged in the center of the spectacle lens having a focal power adjusted to provide emmetropia, and a refractive power region having a refractive power providing a focal power deviating from the focal power of the clear region. The spectacle lens further comprises a ring-shaped diffractive power region having a diffractive add power providing a focal power deviating from the focal power of the clear region, wherein the refractive power region is arranged radially outside of the diffractive power region.
Provided is spectacle lens design data for manufacturing a spectacle lens related to a wearer. The spectacle lens has a refractive power and at least partly a diffractive add power and provides a central region having a first diffractive add power and being adjusted for emmetropia of the wearer. The spectacle lens further provides a peripheral region arranged radially outside of the central region, wherein the peripheral region has a second diffractive add power and is adjusted to provide a focus in at least one of in front of the retina of the wearer or behind the retina of the wearer. The spectacle lens design data is adjusted such that the spectacle lens further exhibits a first blending region arranged between the central region and the peripheral region, wherein the first blending region is adapted to adjust a diffraction efficiency from the first diffractive add power to the second diffractive add power in a radially outward direction. The spectacle lens has a uniform refractive power extending at least over the central region, the peripheral region and the first blending region. The uniform refractive power is adjusted to provide a focus in front of the retina of the wearer. The central region has a negative diffractive add power such that a combination of the uniform refractive power and the negative diffractive add power in the central region is adjusted for emmetropia of the wearer.
Computer-implemented method for determining printing parameter values of an inkjet printing device, a data processing system, a method for inkjet printing and an inkjet printing device
A computer-implemented method for determining printing parameter values of an inkjet printing device for printing a pattern on a surface of a spectacle lens substrate is provided. The inkjet printing device includes a printhead with a plurality of printing nozzles. The method includes: grouping the plurality of printing nozzles into at least two printing nozzle groups, and individually determining a printing parameter value for at least one adjustable printing parameter of each printing nozzle group. In addition, a data processing system, a computer program, a non-transitory computer-readable storage medium, a method for inkjet printing, an inkjet printing device, and a spectacle lens substrate with a pattern printed on a surface of the spectacle lens substrate are provided.
B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
B41M 3/00 - Procédés d'impression pour des travaux imprimés d'un genre particulier, p. ex. motifs
81.
METHOD AND DEVICE FOR MEASURING THE VISION OF A PERSON
Methods and devices for measuring the vision of a person are provided The method includes determining a distance between a measurement device and the person. The distance is determined by communicating between a first wireless communication interface of the measurement device and a second wireless communication interface of a portable device on the person. Then, the vision measurement is performed based on the distance.
A method for applying a surface pattern on a surface of a spectacle lens substrate includes the following steps: providing a spectacle lens substrate having a polymeric lens material, providing a composition containing a swelling agent, applying a pattern of the composition on the surface of the spectacle lens substrate, and allowing for diffusion of the swelling agent from the composition into the lens material. Moreover, a spectacle lens substrate has a polymeric lens material and exhibits a surface pattern on a surface of the spectacle lens substrate. The polymeric lens material includes a swelling agent at positions forming the surface pattern, and a spectacle lens substrate contains a polymeric lens material, wherein the spectacle lens substrate exhibits a pattern of a composition containing a swelling agent applied on a surface of the spectacle lens substrate.
A method for tinting a spectacle lens substrate includes providing a spectacle lens substrate made from a polymeric lens material, providing a composition having a polymeric carrier material, applying a pattern of the composition on a surface of the spectacle lens substrate, and heating the spectacle lens substrate to allow for diffusion of a dye substance between the carrier material and the lens material. Moreover, a composition for in-substrate tinting of a polymeric spectacle lens substrate and a spectacle lens substrate having a polymeric lens material which exhibits a pattern of a composition having a polymeric carrier material applied on a surface of the spectacle lens substrate are presented.
The present invention relates to a method, an apparatus, and a computer program product configured to determine at least one value (328) for an ocular aberration of at least one eye (112) of a user (114) as well as to a related method configured to produce at least one spectacle lens for the at least one eye of the user. Herein, the method comprises the steps: a) providing input data (314), the input data (314) comprising: information (118, 126) comprising an ocular aberration and at least one geometric and optical property of at least one eye (112) of a user (114) at a point in time (316); and further information (128) comprising at least one geometric and optical property of the at least one eye (112) of the user (113) at a previous point in time (320), and b) generating output data (326), the output data (326) comprising the at least one value (328) for the ocular aberration of the at least one eye (112) of the user (114), wherein the output data (326) is generated by using the information (118, 126) and the further information (128), wherein the information (118, 126) is captured in a non-cycloplegic manner (318); and the further information (128) is captured under cycloplegia (322) of the at least one eye (112) of the user (114).
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/028 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen d'acuité visuelleAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination de la réfraction, p. ex. phoromètres
A61B 3/06 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen de sensibilité à la lumière, p. ex. d'adaptationAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen de vision des couleurs
A61B 3/10 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient
A61B 3/107 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer la forme ou mesurer la courbure de la cornée
A61B 3/11 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour mesurer la distance interpupillaire ou le diamètre de la pupille
85.
COMPUTER-IMPLEMENTED METHOD AND DEVICES FOR DETERMINING AT LEAST ONE ASTIGMATISM PARAMETER OF AT LEAST ONE EYE OF A PERSON
The present invention relates to a computer-implemented method '(200) for determining at least one astigmatism parameter of at least one eye (302) of a person (300), the method comprising the following steps: a) generating input data (202) configured to comprise at least one position of the at least one eye (302) of the person (300) relative to the measurement device (110); wherein the at least one position of the at least one eye (302) of the person (300) is determined, in a step iii) (208), by using the measurement device (110); b) generating outcome data (214) configured to comprise at least one astigmatism parameter of the eye (302) of the person (300); wherein the at least one astigmatism parameter of the eye (302) of the person (300) is determined, in a step iv) (216), by comparing at least one known feature (118) to at least one reflected feature (122) comprised in the at least one recorded image of the at least one reflected feature in the eye (302) of the person (300), wherein the position of the at least one eye (302) of the person (300) is considered when the at least one astigmatism parameter of the eye (302) of the person (300) is determined. The present invention further relates to a computer program, a field device (400), a remote device (402), a determining device (100), a data carrier signal (406), a method for producing a geometrical model of at least one spectacle lens (500), a method for producing at least one spectacle lens (502), and a use of an external lens (130). The present invention provides a fast, easy, versatile, reliable, easy accessible and accurate approach for determining at least one astigmatism parameter of an eye (302) of a person (300).
A61B 3/032 - Dispositifs pour présenter des symboles ou des caractères d'épreuve, p. ex. projecteurs de mires
A61B 3/036 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen d'acuité visuelleAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination de la réfraction, p. ex. phoromètres pour détecter l'astigmatisme
A61B 3/15 - Dispositions spécialement adaptées à la photographie de l'œil avec des moyens d'alignement, d'espacement ou de suppression des réflexions parasites
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
A61B 3/107 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer la forme ou mesurer la courbure de la cornée
86.
COMPUTER-IMPLEMENTED METHOD FOR CALCULATING A DIGITAL TWIN OF A SPECTACLE LENS
The invention relates to a computer-implemented method being configured for calculating a digital twin of a spectacle lens for the purpose of a use of the digital twin for a manufacture of the spectacle lens, said digital twin having a predefined power distribution and comprising a layer stack with a plurality of individual layers each having a non-uniform layer thickness with a spatial variation and a uniform refractive index, the method being characterized in the step of determining the spatial variation of the layer thicknesses of said individual layers to achieve said predefined power distribution by a spatial control of optical path lengths.
B33Y 80/00 - Produits obtenus par fabrication additive
B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p. ex. de buses de jet
B29C 64/386 - Acquisition ou traitement de données pour la fabrication additive
B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
87.
INK JET PRINTING METHOD OF TINTING A SPECTACLE LENS AND TINTED SPECTACLE LENS
An inkjet printing method of tinting a spectacle lens substrate comprising the steps: (a) providing a spectacle lens substrate having a front surface and a back surface, wherein said spectacle lens substrate can be precoated, (b) printing droplets of at least a first inkjet printing ink ( PI 1) to form at least a first layer (LI) and droplets of at least a second inkjet printing ink (Pt2) to form at least a second layer (L2) on at least one of said front surface and back surface, wherein at least one of said at least first inkjet printing ink (Ptl) and said at least second inkjet printing ink (PI2) is colored, said at least first layer (LI) and said at least second layer (L2), each covering fully or partially at least one of said front surface and back surface, forming a stack which covers at least one of said front surface and back surface, wherein said at least first layer (LI) and said at least second layer (L2) are at least partially overlapping in said stack, (c) curing said at least first layer (LI) and said at least second layer (L2) together in a combined curing step. And, a tinted spectacle lens having a front surface and a back surface wherein said tinted spectacle lens comprises a color design on at least one of said front surface and back surface, said color design is selected from the group consisting of a non-linear color gradient, contoured di- or polychromatic pattern, contoured di- or polychromatic figure, di- or polychromatic alphabetic code, di- or polychromatic numerical code, di- or polychromatic alphanumerical code, and combinations thereof.
The present invention relates to a computer-implemented method (200) for determining at least one refractive error of an eye (302) of a person (300), the method comprising the following steps: a) generating input data (202) configured to comprise at least one distance (110) between the eye (302) of the person (300) and at least one visual stimulus (108) displayed to the eye (302) of the person (300) and b) generating outcome data (204) configured to comprise at least one refractive error of the eye (302) of the person (300), wherein the at least one refractive error of the eye (302) of the person (300) is determined by evaluating the input data, wherein a position of the entrance pupil (304) of the eye (302) of the person (300) is considered when the at least one refractive error of the eye (302) of the person (300) is determined. The present invention further relates to a computer program, a field device (400), a remote device (402), a determining device (100), a data carrier signal (406), a method for producing a geometrical model of at least one spectacle lens and a method for producing at least one spectacle lens. The present invention provides a fast, easy, versatile, reliable and accurate approach for determining at least one refractive error of an eye (302) of a person (300).
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/032 - Dispositifs pour présenter des symboles ou des caractères d'épreuve, p. ex. projecteurs de mires
A61B 3/10 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient
89.
SPECTACLE LENS WITH NON-CONCENTRIC MICROSTRUCTURES
A data set stored on a computer-readable medium or being embodied in the form of a computer-readable data signal comprising a digital twin of a spectacle lens (300) being configured for the purpose of use for manufacturing said spectacle lens (300), said spectacle lens (300) comprising: - a clear vision zone (309); - a plurality of compact defocusing structures (312). The plurality of compact defocusing structures (312) being arranged along a structure line (305) without any point and axis symmetry and corresponding to a predefined contour line along which a visual performance indicator has a constant value, said visual performance indicator characterizing a visual performance of said spectacle lens (300) within said clear vision zone (309) for said wearer wearing said spectacle lens (300). Alternatively, plurality of compact defocusing structures (312) being arranged along a structure line (305) having a predefined constant distance to said predefined contour line along which a visual performance indicator has a constant value.
The present invention relates to a device for verification of a state of calibration and/or functionality of an ophthalmological measurement device (306) for biometric data of an eye. The present invention further relates to an ophthalmological measurement system (300), comprising a device for verification of a state of calibration and/or functionality (302) of an ophthalmological measurement device (306) for biometric data of an eye and, wherein the device for verification (302) is configured to be directly mountable on a part (330) comprising a head rest (308) of the ophthalmological measurement device (306).
A method, a device, and a computer program product for determining a refractive error of an eye of a user are disclosed, as well as a method for producing a spectacle lens. The method for determining includes: displaying an image with a spatial modulation to the user; optionally, recording a reaction of the user to a variation of the spatial modulation over time; detecting a point in time at which a perception threshold of the user is reached; and determining the refractive error of the user from the spatial modulation, wherein the image contains a source image with several picture elements, wherein values for an image parameter are assigned to the picture elements, and wherein the spatial modulation is generated such that the values of the image parameter determine the values of a modulation parameter of the spatial modulation in the image.
A61B 3/032 - Dispositifs pour présenter des symboles ou des caractères d'épreuve, p. ex. projecteurs de mires
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/103 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour la détermination de la réfraction, p. ex. réfractomètres, skiascopes
The invention is directed to a method of generating a topographic structure or a plurality of topographic structures developed out of or within a surface of an uncoated or a plastic substrate coated with a hard coat comprising the following steps: (a) providing a plastic substrate based on a plastic material having a front surface and a back surface, said plastic substrate being an uncoated plastic substrate or a plastic substrate coated with a hard coat, said hard coat covering at least one of said front surface and back surface; (b) depositing on at least one of said front surface and back surface droplet of a structuring ink; (c) irradiating said droplets of structuring ink deposited on at least one of said front surface and back surface; (d) removing said deposited droplets after having been irradiated and providing a topographic structure or a plurality of topographic structures developed out of or within said at least one of said front surface and back surface of said uncoated plastic substrate or plastic substrate coated with a hard coat. The invention also directed to a plastic substrate based on a plastic material having a front surface and a back surface, said plastic substrate being an uncoated plastic substrate or a plastic substrate coated with a hard coat, said hard coat covering at least one of said front surface and back surface, wherein a topographic structure or plurality of topographic structures is/are developed out of or within a surface of said plastic material of the uncoated plastic substrate or developed out of or within said hard coat of said coated plastic substrate.
The present invention relates to a computer-implemented method for operating an optometry device, comprising the following steps: - generating a first data set, said first data set comprising information about a distance of a user of the optometry device to an object, - tuning a tunable lens of the optometry device based on the distance of a user of the optometry device to the object based on the first data set. The inventive computer-implemented method is characterized in that the first data set is generated by using a LiDAR sensor, said LiDAR sensor is measuring the distance of a user of the optometry device to the object by evaluating a scene represented by the first data set.
A61B 3/113 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour déterminer ou enregistrer le mouvement de l'œil
A61B 3/028 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour examen d'acuité visuelleAppareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure subjective, c.-à-d. appareils de d’examen nécessitant la participation active du patient pour la détermination de la réfraction, p. ex. phoromètres
94.
METHOD FOR CALIBRATING OPTICAL COATING APPARATUSES
A computer-implemented method of generating data for calibrating optical coating apparatuses for applying optical coatings to surfaces of substrates is disclosed. The method includes measuring spectral data of a test coating applied by an optical coating apparatus at a first location; sending a coating data file containing the spectral data to a second location; comparing the measured spectral data of the test coating to target specification data for the test coating; and determining correction factors for correcting deviations to the target specification data for the optical coating apparatus based on the comparison between the measured spectral data and the target specification data; and receiving a target data file containing the correction factors at the first location and calibrating the optical coating apparatus by adjusting an operation parameter of the optical coating apparatus based on the correction factors to correct for deviations from the target specification data.
The present invention relates to a computer-implemented method for training (500) of a machine learning model (200) for determining a confidence value during at least one test cycle (204) of a vision testing procedure, wherein the confidence value is designated for determining at least one action in at least one subsequent test cycle (204) of the vision testing procedure. The present invention further relates to a trained machine learning model (200), a computer program comprising instructions for training of the machine learning model (200) and a training apparatus (600). Additionally the present invention relates to a computer-implemented method for performing the vision testing (202) procedure on a person (300), a computer program comprising instructions for performing the vision testing procedure, a vision test apparatus (100) and a method for producing a geometrical model of at least one spectacle lens for manufacturing of at least one spectacle lens (704).
G16H 50/20 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le diagnostic assisté par ordinateur, p. ex. basé sur des systèmes experts médicaux
A computer-implemented method (100) for facilitating an identification of an optical mark (410) in an image (400) of a spectacle lens (402) is provided. The method (100) is characterized in that it comprises a step of generating (104) enhancement information based on the image (400) of the spectacle lens (402), wherein the enhancement information is configured to enhance a detectability of the optical mark (410) in an automated identification process when an impairing structure (406) impairs the detectability of the optical mark (410) in the image (400). Furthermore, the method (100) comprises a step of providing (106) the generated enhancement information to the automated identification process for identifying the optical mark (410) using the enhancement information.
G06K 7/14 - Méthodes ou dispositions pour la lecture de supports d'enregistrement par radiation électromagnétique, p. ex. lecture optiqueMéthodes ou dispositions pour la lecture de supports d'enregistrement par radiation corpusculaire utilisant la lumière sans sélection des longueurs d'onde, p. ex. lecture de la lumière blanche réfléchie
A spectacle lens which has permanent markings is mounted on a mounting, in particular a suction mounting. The apparent location of the permanent markings is detected on the spectacle lens with a detection device. Additionally, the spectacle lens is illuminated eccentrically with respect to an optical axis of the detection device using eccentric light sources. Reflections from the lights sources on the spectacle lens are likewise detected. On the basis of the detected reflections and the apparent location of the permanent markings, the position and/or orientation of the mounted spectacle lens are determined.
METHOD FOR TINTING OR DECOLORING A LENS, LENS OBTAINABLE BY THE METHOD FOR TINTING OR DECOLORING A LENS, LENS COMPRISING A TINT OR DECOLORIZATION, LENS HOLDER AND TINTING DEVICE FOR TINTING A LENS
Methods for tinting or decoloring a lens include inserting a lens into a reception unit of a lens holder, providing an immersion bath containing a fluid, immersing the lens holder into the fluid; and rotating the lens holder around a rotation axis to a predetermined maximum rotation angle, wherein the rotation axis is located outside the lens and generally perpendicular to a plane of the lens. A lens obtainable by such methods, a lens having a tint or a decolorization, a lens holder, and a tinting device allowing for more complex (gradient) tints are also disclosed. The present disclosure further relates to a corresponding computer program.
A progressive spectacle lens, a method for its production, and a related computer program are disclosed. The progressive spectacle lens has a progressive surface including a central viewing zone, a lower viewing zone, two peripheral vision zones extending bilaterally from a vertical meridian of the progressive surface, and an upper viewing zone. The central viewing zone has a surface power providing a first refracting power for distance vision and the lower viewing zone has a greater surface power than the central viewing zone providing a second refracting power corresponding to near vision and being connected to the central viewing zone by a first progressing power region. The progressive spectacle lens generates a retarding or arresting effect on myopia progression, especially in myopic juveniles.
