EYEGLASS LENS PRODUCTION METHOD, EYEGLASS LENS ORDERING DEVICE, EYEGLASS LENS ORDER RECEIVING DEVICE, AND EYEGLASS LENS ORDERING AND ORDER RECEIVING SYSTEM
Contrast sensitivity of a wearer of an eyeglass lens (10) is measured using a first eye chart and a second eye chart with different spatial frequencies, and the eyeglass lens (10) is designed using a design parameter based on the contrast sensitivity of the wearer. For example, the eyeglass lens (10) is designed such that a distribution of an addition power in a progressive portion of the eyeglass lens (10) becomes high, that is, a refractive power of the progressive portion becomes high as a difference (rate of change) in contrast sensitivity with respect to the different spatial frequencies becomes large.
This evaluation method for a spectacle lens comprises: a contrast sensitivity information acquisition step for obtaining information relating to the contrast sensitivity of a wearer of spectacles; a calculation step for, in a state where the wearer 1 is wearing the spectacles, calculating a three-dimensional clear vision region AC in a visual field space visible through a spectacle lens (10) of the spectacles (1) with the contrast sensitivity information acquired in the contrast sensitivity information acquisition step taken into account; and an evaluation step for evaluating the performance of the spectacle lens (10) on the basis of the three-dimensional clear vision region AC obtained in the calculation step.
An evaluation method for a spectacle lens is configured to comprise: a blur sensitivity information acquisition step for obtaining information on blur sensitivity of a wearer of spectacles; a calculation step for calculating a three-dimensional clear vision region AC in a visual field space visible to the wearer through a spectacle lens (10) of the spectacles (1) in a state where the spectacles (1) are worn by the wearer, while taking into account the sensitivity information acquired in the blur sensitivity information acquisition step; and an evaluation step for evaluating the performance of the spectacle lens on the basis of the three-dimensional clear vision region AC obtained in the calculation step.
Provided is a transmitting-type optical article set for eyes capable of improving the visual contrast. The transmitting-type optical article set for eyes comprising two transmitting-type optical articles for eyes, wherein, when a two-degree field of view CIE standard light source D65 is used as reference light, a color difference ΔE00 between the two transmitting-type optical articles for eyes calculated based on CIEDE2000 is more than 0.23 and less than 33.8.
[Problem] To be able to improve visibility for a wearer. [Solution] An ophthalmic transmission-type optical orthosis has an ophthalmic lens having a polarizing film, and a frame for supporting the ophthalmic lens. A transmission direction, which is the direction of a transmission axis of the polarizing film in a state where the ophthalmic lens is supported by the frame, is set in a direction offset by a prescribed angle from the vertical direction.
The present disclosure addresses the problem of providing a laminate that can easily undergo lens edging, and has excellent water repellency and oil repellency after a first temporary protective layer and a second temporary protective layer are removed. A laminate according to the present disclosure comprises a spectacle lens base material, a water-repellent and oil-repellent layer, a first temporary protective layer, and a second temporary protective layer in this order. The first temporary protective layer contains a metal fluoride or titanium oxide, and the second temporary protective layer is a metal layer.
This terminal device comprises: a first image output unit that outputs, to a left-eye display unit that presents an image to the left eye of a subject, image information for a left-eye image in which a first aberration distribution can be set, the first aberration distribution being an aberration distribution for the left eye; a second image output unit that outputs, to a right-eye display unit that presents an image to the right eye of the subject, image information for a right-eye image in which a second aberration distribution can be set, the second aberration distribution being an aberration distribution for the right eye; a line-of-sight information acquisition unit that acquires line-of-sight information obtained by detecting the movement of the line of sight of the subject presented with at least one of the left-eye image and the right-eye image; and an aberration sensitivity information generation unit that generates aberration sensitivity information, which is information relating to sensitivity to the aberration of the subject, on the basis of the acquired line-of-sight information and the aberration distributions.
A61B 3/028 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuitySubjective types, i.e. testing apparatus requiring the active assistance of the patient for determination of refraction, e.g. phoropters
A61B 3/09 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing accommodation
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
A61B 3/113 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining or recording eye movement
A61B 5/107 - Measuring physical dimensions, e.g. size of the entire body or parts thereof
This progressive power lens comprises: a far-sight part suitable for far sight; a near-sight part which is disposed at a position different from that of the far-sight part and has a refractive power suitable for near sight; and a progressive part having a refractive power that continuously changes between the far-sight part and the near-sight part. A virtual far position is provided in a range above an eye point and below the far-sight part. Addition power at the virtual far position is corrected on the basis of an addition power ratio of the position of the eye point.
This eyeglass lens evaluation method comprises: a calculation step for calculating a three-dimensional clear vision region AC in a visual field space seen through an eyeglass lens (10) with the eyeglass lens (10) worn by a wearer; and an evaluation step for evaluating the performance of the eyeglass lens (10) on the basis of the obtained three-dimensional clear vision region. This three-dimensional clear vision region is calculated by obtaining, by means of MTF calculation, a range in which a contrast value is equal to or higher than a prescribed value.
The present invention pertains to a spectacle lens evaluation method comprising: a calculation step for calculating a three-dimensional clear vision region AC in a visual field space visible through a spectacle lens (10) of spectacles (1) in a state where a wearer wears the spectacles (1); a visible region detection step for detecting a visible region where the three-dimensional clear vision region AC and a visual object OBJ present in the visual field space overlap when the wearer views the visual object OBJ through the spectacle lens (10); and an evaluation step for evaluating the performance of the spectacle lens (10) on the basis of the detected visible region.
[Problem] To order a dyed lens according to the visual characteristics of a wearer. [Solution] An ordering device for ordering a dyed lens used as a spectacle lens including: a processing unit for receiving a transmittance of a dyed lens for each of a plurality of preset wavelength regions; and an output unit for outputting order data including the input transmittance.
METHOD FOR PROVIDING OPHTHALMIC LENS SET, METHOD FOR MANUFACTURING EYEGLASSES, METHOD FOR MANUFACTURING OPHTHALMIC TRANSMISSIVE OPTICAL ARTICLE, METHOD FOR MANUFACTURING BINOCULARS, AND OPHTHALMIC LENS SET
The purpose of the present disclosure is to provide an ophthalmic lens set with which objects can be more easily seen. A method for providing an ophthalmic lens set according to the present disclosure is configured as follows: from an optical article group consisting of a plurality of ophthalmic lenses, an ophthalmic lens set which consists of two ophthalmic lenses having mutually different minimum transmittances at wavelengths ranging from 450 to 630 nm is selected; and the ophthalmic lens set is provided such that, on the basis of dominant-eye information, the ophthalmic lens, of the two selected ophthalmic lenses, which has the lower minimum transmittance serves as a lens for the dominant eye.
[PROBLEM] To make it possible to improve the visibility of a glossy surface. [SOLUTION] The present invention includes: two ophthalmic lenses having a polarizing film; and a frame that supports the two ophthalmic lenses. With respect to the two ophthalmic lenses supported by the frame, the following directions differ: a first transmission direction indicating the direction of the transmission axis of the polarizing film of one of the ophthalmic lenses; and a second transmission direction indicating the direction of the transmission axis of the polarizing film of the other ophthalmic lens.
The present invention provides a method for producing a composition capable of producing a composition having a small temporal change in viscosity and excellent in hardness (in particular, scratch hardness) of a cured film. The method for producing a composition of the present invention includes step 1 of heating a mixture containing a silsesquioxane having a cationically polymerizable group and metal oxide particles at a temperature higher than 60° C.; and step 2 of mixing the mixture obtained in the step 1 with a cationic polymerization initiator to produce the composition.
C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
The present invention provides a spectacle lens having an excellent brightening effect. The spectacle lens of the present invention comprises: a lens base; and a resin layer disposed on the lens base, wherein the resin layer contains a compound represented by Formula (A) and a resin, the resin contains a repeating unit 1 derived from silsesquioxane having a polymerizable group and a repeating unit 2 derived from a monofunctional monomer, a mass ratio of the repeating unit 1 to the repeating unit 2 is 60/40 to 95/5, and a transmittance of the spectacle lens at a wavelength of 556 nm is 65 to 80%.
One of both eyes (e.g., a right eye) is made to view a reference blurred image (Cp), the other of both eyes (e.g., a left eye) is made to view blurred images (Cp+1, Cp+2, . . . ), and information on sensitivity to a difference in blur amount between the blurred images (Cp+1, Cp+2, . . . ) that the other eye was made to view and the reference blurred image (Cp) that the one eye was made to view is acquired. Additionally, the other eye is made to view the reference blurred image (Cp), the one eye is made to view the blurred images (Cp+1, Cp+2, . . . ), and information on sensitivity to a difference in blur amount between the blurred images (Cp+1, Cp+2, . . . ) that the one eye was made to view and the reference blurred image (Cp) that the other eye was made to view is acquired.
The present disclosure addresses the problem of providing a spectacle lens having high visibility through the spectacle lens even in a dark place. A spectacle lens according to the present disclosure comprising: a base material; and a multilayer reflection layer including at least one high refractive index layer and at least one low refractive index layer, wherein an average value X is 0.770% or less, the average value being obtained by calculating a reflectance at a wavelength of 507 nm by making incident light incident on the spectacle lens while changing the angle formed by a normal to a tangent plane at a point where the incident light intersects the surface of the spectacle lens and the incident light every one degree within a range of 15-60°, and arithmetically averaging the calculated reflectance at each angle.
G02B 1/116 - Multilayers including electrically conducting layers
G02B 1/14 - Protective coatings, e.g. hard coatings
G02B 1/16 - Optical coatings produced by application to, or surface treatment of, optical elements having an anti-static effect, e.g. electrically conducting coatings
G02B 1/18 - Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
G02B 1/14 - Protective coatings, e.g. hard coatings
G02B 1/16 - Optical coatings produced by application to, or surface treatment of, optical elements having an anti-static effect, e.g. electrically conducting coatings
G02B 1/18 - Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
G02B 1/116 - Multilayers including electrically conducting layers
The present invention addresses the problem of providing a lens manufacturing method capable of manufacturing a lens having a hard coat layer excellent in covering property in which circular defects and spiral defects are less likely to be observed. This lens manufacturing method is for manufacturing a lens by coating a lens substrate with a hard coat layer-forming composition by a spin coat method to form a hard coat layer. In the spin coat method, the hard coat layer-forming composition in a predetermined amount is discharged while a nozzle for discharging the hard coat layer-forming composition from the tip thereof is being linearly moved from a predetermined first position to a predetermined second position located on the opposite side of the center of the lens substrate from the first position through the center of the lens substrate while the lens substrate is being rotated.
G02B 1/14 - Protective coatings, e.g. hard coatings
B05D 1/40 - Distributing applied liquids or other fluent materials by members moving relatively to surface
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
B05D 5/00 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
G02B 1/113 - Anti-reflection coatings using inorganic layer materials only
An object of the present invention is to provide a method of producing a laminate that exhibits a low resistance value and excellent light transmittance. The method of producing a laminate according to the present invention includes: a first step of rotating the base and spin-coating a composition including metal nanowires and a solvent on a surface of the base; and a second step of rotating the base obtained in the first step and spin-coating, on the surface of the base on which surface the composition has been spin-coated in the first step, a composition including metal nanowires and a solvent, wherein a position of a rotation center of the base in the first step is different from a position of a rotation center of the base in the second step. Further, the laminate obtained includes a base and a metal nanowire layer.
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
This eyeglass lens of eyeglasses for use in controlling a control object includes an electrode pair which is a pair of electrodes, the electrostatic capacitance of which changes as a result of change of an electromagnetic field between the electrodes. The control object is controlled as a result of the change of the electrostatic capacitance.
The present disclosure addresses the problem of providing a composition capable of forming a layer excellent in interlayer adhesion. A composition according to the present disclosure comprises: a polymer S of a silsesquioxane having a polymerizable group; and a compound X selected from the group consisting of monomers M and polymers P of the monomer M. The monomer M is selected from the group consisting of polyalkylene glycol di(meth)acrylates and urethane (meth)acrylates. In the molecular weight distribution curve of the polymer S obtained by gel permeation chromatography, the peak top molecular weight of the polymer S is 2800 or more. In the molecular weight distribution curve of the polymer P obtained by gel permeation chromatography, the peak top molecular weight of the polymer P is 3500 or more.
The present disclosure addresses the problem of providing a multilayer body which is excellent in terms of scratch resistance and also excellent in terms of appearance characteristics. A multilayer body according to the present disclosure has a base material, an antireflection layer, an intermediate layer, and a water-repellent layer in this sequential order. The intermediate layer is formed using an intermediate layer-forming composition. The intermediate layer-forming composition contains: at least one compound X that is selected from the group consisting of a compound represented by formula (X1), a hydrolysis product of the compound represented by formula (X1), and a hydrolysis condensation product of the compound represented by formula (X1); and a compound Y that is different from the compound X, has at least one of an amino group and an amine skeleton, and has a silicon atom.
The present disclosure addresses the problem of providing a spectacle lens having excellent transparency and excellent impact resistance. A spectacle lens according to the present disclosure has a spectacle lens base material, a primer layer, and a hard coat layer in the stated order. The primer layer is a layer formed by using a composition containing first resin particles containing polyurethane and second resin particles containing urethane (meth)acrylate. The ratio of the mass of the second resin particles to the total mass of the first resin particles and the second resin particles in the composition is 0.1-0.3.
The present disclosure addresses the problem of providing a laminate with excellent scratch resistance. A laminate according to the present disclosure has a substrate, an anti-reflective layer, an intermediate layer, and a water-repellent layer in the stated order. The intermediate layer is a vapor-deposited layer formed using an intermediate layer-forming composition. The intermediate layer-forming composition contains: at least one compound X selected from the group consisting of a compound represented by formula (X1), a hydrolysate of the compound represented by formula (X1), and a hydrolytic condensate of the compound represented by formula (X1); and a compound Y, which is a compound different from the compound X, contains at least one of an amino group and an amine skeleton, and contains a silicon atom.
The purpose of the present disclosure is to provide a method for producing a lens which includes a hard coat layer in which nonuniformities are suppressed in a center section and an outer-peripheral section of the lens. This method for producing a lens according to the present disclosure includes: a step 1 for subjecting a base material including a plastic lens to a pre-wetting process by using a pre-wetting solution which contains a first solvent having a boiling point of 60-100°C and a second solvent having a boiling point of 150-210°C, the content of the second solvent with respect to the total amount of the first solvent and the second solvent being more than 20 mass%; and a step 2 for forming a hard coat layer using a hard coat layer-forming composition containing the second solvent on the base material which has been subjected to the pre-wetting process.
G02B 1/14 - Protective coatings, e.g. hard coatings
B05D 3/10 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
B05D 5/00 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
B05D 7/02 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
This ophthalmic examination visual target comprises a plurality of visual targets as constituent elements. The visual targets each have, as constituent elements, a contour portion having a predetermined line width for distinguishing a background portion from a visual target body in the visual target, and a visual target internal portion having a predetermined area enclosed by the contour portion. The visibility of the visual targets is varied by varying the color difference between the contour portion, and the background portion and the visual target internal portion in each visual target.
The purpose of the present invention is to provide an ophthalmic transmissive optical article set, capable of improving visual contrast particularly in a dimly lit environment, while suppressing a sense of strangeness of appearance. An ophthalmic transmissive optical article set according to the present disclosure comprises two ophthalmic transmissive optical articles, at least one of the two ophthalmic transmissive optical articles having a photochromic layer including a photochromic compound or a reverse photochromic layer including a reverse photochromic compound, and requirement 1 and requirement 2. Requirement 1: In a state in which the photochromic layer is decolored or in a state in which the reverse photochromic layer is colored, the color difference ΔE00 of the two ophthalmic transmissive optical articles is more than 0.23 and less than 33.8. Requirement 2: In a state in which the photochromic layer is colored or in a state in which the reverse photochromic layer is decolored, the color difference ΔE00 of the two ophthalmic transmissive optical articles is 7.4 or less.
G02F 1/17 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups
29.
LAMINATE AND METHOD FOR MANUFACTURING EYEGLASS LENS
The present disclosure addresses the problem of providing a laminate that can be polished with small axial and horizontal deviations. This laminate has an eyeglass lens substrate, a water-repellent layer, and a metal layer in this order. The metal layer contains at least one selected from the group consisting of aluminum, zinc, copper, and nickel.
The present disclosure addresses the problem of providing a spectacle lens capable of improving contrast sensitivity. The spectacle lens according to the present disclosure has a pigment-dyed lens base material obtained by dyeing a lens base material using a pigment, wherein the difference between the luminous transmittance of the lens base material and the luminous transmittance of the pigment-dyed lens base material is 1.0-4.0%, the difference between the average transmittance in the wavelength range of 530-570 nm of the lens base material and the average transmittance in the wavelength range of 530-570 nm of the pigment-dyed lens base material is 1.0-5.0%, the transmittance of the spectacle lens at a wavelength of 400 nm is 2.0% or less, and the average transmittance of the spectacle lens at a wavelength of 415-440 nm is 40.0-80.0%.
Provided is a spectacle lens production method for making an obtained spectacle lens less prone to fogging on the surface thereof. This spectacle lens production method comprises a step of using vacuum deposition to form a water- and oil-repellent layer on a subject including a spectacle lens substrate while introducing argon gas thereto.
The purpose of the present disclosure is to provide an eyeglass lens that, when worn by users with visual hypersensitivity, can reduce glare for more users. This eyeglass lens includes a pigment, wherein: the pigment includes a specific pigment with a wavelength of maximum absorption in the wavelength range 400–510 nm; the maximum absorption coefficient of the specific pigment at wavelengths of 550–780 nm is one-fifth or less of the absorption coefficient at the wavelength of maximum absorption of the specific pigment; if the mean transmittance of the eyeglass lens at wavelengths of 430–480 nm is Ta, the transmittance of the eyeglass lens per 5 nm at wavelengths of 430–480 nm is in the range Ta ± y; and if the mean transmittance of the eyeglass lens at wavelengths of 550–780 nm is Tb, Tb is greater than Ta. Here, y is a value represented by formula (1). Formula (1) = (100% − Ta) × 0.1, where Ta, Tb, and y are percentages.
G02C 7/10 - Filters, e.g. for facilitating adaptation of the eyes to the darkSunglasses
37.
EYEGLASS LENS PRODUCTION METHOD, EYEGLASS LENS ORDERING DEVICE, EYEGLASS LENS ORDER RECEIVING DEVICE, AND EYEGLASS LENS ORDERING AND ORDER RECEIVING SYSTEM
Using a first visual target and a second visual target that have mutually different spatial frequencies, the contrast sensitivity of a wearer of an eyeglass lens (10) is measured, and utilizing a design parameter based on the wearer's contrast sensitivity, the eyeglass lens (10) is designed. For example, the eyeglass lens (10) is designed so that the larger the difference (rate of change) in contrast sensitivity with respect to different spatial frequencies, the ADD power distribution in the progressive portion of the eyeglass lens (10) is changed to be higher, that is to say, so that the refractive power of the progressive portion is increased.
A61B 3/06 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptationSubjective types, i.e. testing apparatus requiring the active assistance of the patient for testing colour vision
The present invention has a purpose of improving the ease of watching images. This image processing device (10) comprises: an acquisition unit (11) that acquires a left-eye source image (101L) and a right-eye source image (101R); a generation unit (13, 13B, 13C) that generates a left-eye displayed image (105L) and a right-eye displayed image (105R) on the basis of the left-eye source image and the right-eye source image acquired by the acquisition unit; and an output unit (14) that outputs the left-eye displayed image and the right-eye displayed image generated by the generation unit. The generation unit corrects at least one of the left-eye source image and the right-eye source image such that the color difference between the left-eye displayed image and the right-eye displayed image has a predetermined value.
H04N 13/133 - Equalising the characteristics of different image components, e.g. their average brightness or colour balance
G09G 5/02 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
G09G 5/36 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of individual graphic patterns using a bit-mapped memory
H04N 13/122 - Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
H04N 13/15 - Processing image signals for colour aspects of image signals
The present disclosure addresses the problem of providing a method for manufacturing an optical article, whereby an optical article having excellent scratch resistance can be manufactured. This method for manufacturing an optical article having a plastic base material and a multilayer film that is obtained by alternatingly layering a high-refractive-index layer and a low-refractive-index layer, the low-refractive-index layer being disposed on the outermost side, comprises a step C for forming a multilayer film by repeatedly performing a step A for forming a high-refractive-index layer on the plastic base material and a step B for forming a low-refractive-index layer, and further comprises a step D for radiating an ion beam having a current density in a range of 5-120 µA/cm2, after the low-refractive-index layer in the position farthest from the plastic base material in the multilayer film is formed, and/or between the step B for forming the low-refractive-index layer in the second position from the reverse side of the multilayer film from the plastic base material from among the low-refractive-index layers and the step A performed subsequently, to a surface of the formed low-refractive-index layer.
EYEGLASS LENS DESIGNING METHOD, EYEGLASS LENS MANUFACTURING METHOD, ORDER PLACEMENT SYSTEM, ORDER RECEPTION SYSTEM, AND ORDER RECEPTION/PLACEMENT SYSTEM
[Problem] To provide eyeglass lenses personalized for each wearer. [Solution] A first aspect of the present invention relates to an eyeglass lens designing method. The eyeglass lens designing method includes acquiring sensitivity information relating to sensitivity of a wearer to a letter size. The eyeglass lens designing method further includes designing the eyeglass lenses by using the sensitivity information.
This eyeglass lens is outstanding in anti-crazing properties, impact resistance properties, and adhesion. The present invention comprises: a lens substrate; a primer layer disposed on the lens substrate; and at least one layer that is disposed on the primer layer and that is selected from the group consisting of a hard-coat layer and a reflection-preventing layer. The primer layer contains a polycarbonate-based polyurethane resin and inorganic oxide particles. The tensile strength of the polycarbonate-based polyurethane resin is over 40 N/mm2. The expansion rate of the polycarbonate-based polyurethane resin is at least 300%, and the inorganic oxide particle content is 10-40% by volume with respect to the total volume of the primer layer.
The present invention addresses the problem of providing: a method for producing a laminate having excellent wear resistance; and a method for producing an eyewear lens. The method for producing a laminate according to the present invention comprises a step 1 a for forming an intermediate layer (c) on an anti-reflection layer in a substrate (s) having the anti-reflection layer by vapor deposition and a step 2 for forming a water-repellent layer (r) on the intermediate layer (c), in which the intermediate layer (c) is a vapor deposition layer of an organosilicon compound (C) having a silicon atom and also having an amino group and/or an amine skeleton, the water-repellent layer (r) is a cured layer of a mixed composition (ca) of an organosilicon compound (A) having such a structure that a monovalent group having a perfluoroether structure is bound to a silicon atom through a linking group or without a linking group and a hydrolysable group is bound to a silicon atom through a linking group or without a linking group, and the average vapor deposition rate during the formation of the intermediate layer (c) is 0.2 nm/s or more and less than 1.2 nm/s.
Provided is a transmitting-type optical article set which is capable of improving visual contrast. A transmitting-type optical article set for eyes which comprises two transmitting-type optical articles for eyes, wherein the color difference ΔE00 of the two transmitting-type optical articles, which is calculated on the basis of CIEDE2000 when a two-degree visual field CIE standard illuminant D65 is used as reference light, is greater than 0.23 and less than 33.8.
The present invention addresses the problem of providing an ophthalmic transmissive optical article set capable of improving visual contrast in binocular vision and not impairing comfort. An ophthalmic transmissive optical article set of the present invention includes two ophthalmic transmissive optical articles, wherein the wavelengths showing the minimum transmittance among the minimum values of transmittance in the visible light region of the two ophthalmic transmissive optical articles are different from each other, a difference in wavelength between the two ophthalmic transmissive optical articles is 35 nm or less, and the wavelengths of the two ophthalmic transmissive optical articles are located in the wavelength range of 560 to 605 nm.
The present invention provides a composition production method whereby it becomes possible to produce a composition which shows a reduced change in viscosity over time and can be cured into a cured film having excellent hardness (particularly scratch hardness). The composition production method according to the present invention includes: a step 1 for heating a mixture comprising a silsesquioxane having a cation-polymerizable group and metal oxide particles to a temperature higher than 60°C; and a step 2 for mixing the mixture obtained in the step 1 with a cation polymerization initiator to produce a composition.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
According to the present invention, a reference blurred image (Cp) is viewed with one (e.g., the right eye) among both eyes, blurred images (Cp+1, Cp+2, …) are viewed with the other eye (e.g., the left eye), and information about sensitivity is acquired with respect to the difference between blur amounts of the blurred images (Cp+1, Cp+2, …) viewed with the other eye and the reference blurred image (Cp) viewed with the one eye. In addition, the reference blurred image (Cp) is viewed with the other eye, the blurred images (Cp+1, Cp+2, …) are viewed with the one eye, and information about sensitivity is acquired with respect to the difference between blur amounts of the blurred images (Cp+1, Cp+2, …) viewed with the one eye and the reference blurred image (Cp) viewed with the other eye.
The present invention provides a spectacle lens having excellent scratch resistance and suppression of crack formation. In this spectacle lens having a spectacle lens substrate, a primer layer, and a hard coat layer in the stated order, the hard coat layer comprises a plurality of resin layers formed by applying multiple layers of a composition, the composition including an organic compound X that is selected from the group consisting of a polymerizable compound and a polymer thereof, an inorganic compound Y that is selected from the group consisting of inorganic oxide particles and a silsesquioxane, and a polymerization initiator, and when the composition includes a polymer, at least a portion of the polymer and at least a portion of the inorganic compound Y may bond, and satisfy condition 1 and condition 2.
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
The present invention provides an eyeglass lens having an excellent brightening effect. This eyeglass lens comprises a lens substrate, and a resin layer disposed on the lens substrate. The resin layer contains a compound represented by formula (A), and a resin. The resin contains a repeating unit 1 derived from silsesquioxane having a polymerizable group, and a repeating unit 2 derived from a monofunctional monomer. The mass ratio of the repeating unit 1 to the repeating unit 2 is 60/40 to 95/5. The transmittance of the eyeglass lens is 65% to 80% at a wavelength of 556 nm.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C08L 43/04 - Homopolymers or copolymers of monomers containing silicon
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
The present invention addresses the problem of providing a method for producing a laminate that exhibits a low resistance value and excellent light transmissivity. The method for producing a laminate according to the present invention has a first step that rotates a base material and spin coats a composition containing metal nanowires and a solvent on the surface of the base material and a second step that rotates the base material obtained in the first step and spin coats a composition containing metal nanowires and a solvent on the surface of the base material that was spin coated with the above composition in the first step. The position of the center of rotation of the base material in the first step differs from the position of the center of rotation of the base material in the second step. Furthermore, the laminate obtained includes the base material and a metal nanowire layer.
B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
B05D 1/40 - Distributing applied liquids or other fluent materials by members moving relatively to surface
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
09 - Scientific and electric apparatus and instruments
Goods & Services
Eyewear; spectacles [eyeglasses and goggles]; eyeglasses;
parts and accessories for eyeglasses, namely, hinges,
bridges, temples, cords, chains; eyeglass lenses;
sunglasses.
53.
EYEGLASS LENS DESIGN DEVICE, EYEGLASS LENS DESIGN METHOD, AND PROGRAM
An eyeglass lens design device designs a pair of aspherical lenses which have different strengths for the left and right lenses, and have rotational symmetry or axial symmetry around a component of a fixed focal length lens for a distance prescription comprising a fixed focal length lens or a progressive refractive lens, and includes an acquisition unit configured to acquire left prism amount information corresponding to a left-eye strength and right prism amount information corresponding to a right-eye strength, a calculation unit configured to calculate a computed value of a left prism amount and a right prism amount on the basis of the left prism amount information and the right prism amount information, and a change unit configured to calculate a design parameter change amount of the right-eye aspherical lens and/or the left-eye aspherical lens on the basis of the computed value of the left prism amount and the right prism amount, and to change a design parameter thereof on the basis of the calculated design parameter change amount.
A visual function examination device includes a response information acquisition unit configured to acquire response information indicating a response about glare felt by a subject to a visual target based on a glare illusion and a glare index calculation unit configured to calculate an index for the glare felt by the subject on the basis of the response information acquired by the response information acquisition unit.
A61B 3/06 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptationSubjective types, i.e. testing apparatus requiring the active assistance of the patient for testing colour vision
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Spectacles [eyeglasses and goggles]; eyeglasses; parts and accessories for eyeglasses, namely, hinges, bridges, temples, cords, chains; eyeglass lenses; sunglasses.
56.
SPECTACLE LENS AND METHOD FOR MANUFACTURING SPECTACLE LENS
A spectacle lens (20A) comprises: a first lens part (21) that is a concave lens formed by at least a first material; a second lens part (22) that is a convex lens disposed within the first lens part and formed by at least a second material. The first material has a first refractive index, and the second material has a second refractive index larger than the first refractive index. The first lens part has a plurality of first unit elements (21a) formed by at least the first material, and the plurality of first unit elements are united. The second lens part has a plurality of second unit elements (22a) formed by at least the second material, and the plurality of second unit elements are united.
The present invention addresses the problem of providing a film which has low haze and exhibits excellent adhesion to a primer layer. This film contains core-shell particles having: a core part; a first shell part that covers the core part; and a second shell part that covers the first shell part. The core part contains an inorganic oxide particle or a silsesquioxane. The first shell part contains a polymer chain A that contains one or more types selected from the group consisting of an acrylate-based polymer chain and a methacrylate-based polymer chain. The second shell part contains a polymer chain B obtained by cationic polymerization of oxetanyl groups in an oxetanyl group-containing compound.
C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
G02B 1/14 - Protective coatings, e.g. hard coatings
A spectacle lens (20A) comprises: a first region (A1) having a first refractive index; a second region (A2) having a second refractive index different from the first refractive index; and a third region (A3) having a third refractive index that is an intermediate refractive index between the first refractive index and the second refractive index, and disposed between the first region and the second region.
Provided is a spectacle lens (20) comprising a mark section (A2) that is visible inside of a base material part (A1). The base material part (A1) is formed from a first material, and the mark section (A2) is formed from a second material.
A measurement module (100) capable of transmitting measurement data to a design module for designing a spectacle lens comprises: a spectacle frame (110); a lens part (115L, 115R) held by the spectacle frame (110); a distance measuring instrument (120L, 120R) that is provided on the spectacle frame (110) and acquires measurement data relating to the distance to an object to be measured in a state where the spectacle frame (110) is worn by a wearer; a line-of-sight measuring instrument (130L, 130R) that is provided on the lens part (115L, 115R), and acquires measurement data relating to the direction of the line of sight of the wearer wearing the spectacle frame (110); and a processing unit (140) that transmits the measurement data relating to the distance acquired by the distance measuring instrument (120L, 120R) and the measurement data relating to the direction of the line of sight acquired by the line-of-sight measuring instrument (130L, 130R).
[Problem] To require no skill and experience relating to capturing an image of an iris. [Solution] This color lens determination method may comprise calculating an RGB representative value of a first region corresponding to a reference color disposed in a color chart in an image of a region including the color chart and an eye of a user, the image being captured by an image input device while a jig is disposed near the eye. The method may comprise calculating an RGB representative value of a second region corresponding to an iris of the eye in the image. The method may comprise calculating a transformation matrix that minimizes an error between the RGB representative value of the first region and an actual measured value of the reference color previously measured under a specific condition. The method may comprise color-correcting the RGB representative value of the second region using the transformation matrix. The method may comprise converting a corrected value obtained by color-correcting the RGB representative value of the second region into a device-independent color. The method may comprise determining a color lens suitable for the user on the basis of the color of the iris converted into the device-independent color.
The present invention addresses the problem of providing a liquid composition capable of forming a hard coat layer having excellent toughness. A liquid composition according to the present invention includes a polymer obtained by performing cationic polymerization of cation polymerizable groups in a compound having cationic polymerizable groups selected from the groups consisting of epoxy groups and oxetanyl groups.
The present invention addresses the problem of providing a laminate capable of suppressing axial misalignment. This laminate comprises an spectacle lens base material, a water repellant layer positioned on at least one side of the spectacle lens base material, and a protective layer positioned on the water repellant layer, wherein the protective layer includes a polyvinyl acetal resin, and the hydroxyl group content in the polyvinyl acetal resin is less than 34 mol%.
C08L 29/14 - Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
G02B 1/18 - Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
Provided is a method for manufacturing a pair of spectacle lenses 1 composed of a right eye spectacle lens (10R) used for a right eye and a left eye spectacle lens (10L) used for a left eye, the method comprising: finding a lens design condition under which a difference between a sum obtained by adding the magnitude of an intra-range change region in which a refractive power change falls within a predetermined range to the magnitude of a distinct vision region in which astigmatism is smaller than a predetermined value on the center side of the right eye spectacle lens (10R), and a sum obtained by adding the magnitude of the intra-range change region to the magnitude of the distinct vision region on the center side of the left eye spectacle lens (10L) becomes smaller than when the right eye spectacle lens (10R) and the left eye spectacle lens (10L) are designed under a predetermined condition; and designing and manufacturing the right eye spectacle lens (10R) and the left eye spectacle lens (10L) under the found lens design condition.
This eyeglass lens is outstanding in anti-crazing properties, impact resistance properties, and adhesion. The present invention comprises: a lens substrate; a primer layer disposed on the lens substrate; and at least one layer that is disposed on the primer layer and that is selected from the group consisting of a hard-coat layer and a reflection-preventing layer. The primer layer contains a polycarbonate-based polyurethane resin and inorganic oxide particles. The tensile strength of the polycarbonate-based polyurethane resin is over 40 N/mm2. The expansion rate of the polycarbonate-based polyurethane resin is at least 300%, and the inorganic oxide particle content is 10-40% by volume with respect to the total volume of the primer layer.
The present disclosure relates to an optical member comprising a plastic base, a hard coat layer disposed on the plastic base, and an antireflection film disposed on the hard coat layer, the antireflection film containing high refractive index layers and low refractive index layers that are alternately stacked, and the high refractive index layers and the low refractive index layers satisfying predetermined requirements.
A sensitivity evaluation method includes: causing a wearer to view a target through a lens or a lens group capable of controlling at least one optical property among a spherical power, a cylindrical power, and an astigmatic axis angle; and acquiring information about a sensitivity of the wearer with respect to an aberration.
An ophthalmic lens design method includes: acquiring first information about a purpose of an ophthalmic lens; acquiring second information about at least one of a visual line of a wearer for the purpose, a place, a use tool, and a body of the wearer; acquiring data indicating a number of first regions, positions, shapes, and sizes of a plurality of first regions set on a surface of the ophthalmic lens, and distances to a target viewed through the first regions; setting a variable numerical value among numerical values indicating the number of first regions, the positions, the shapes, and the sizes of the plurality of first regions, and the distances in the data and setting the plurality of first regions and the distances on the surface; and setting a target aberration distribution based on the plurality of first regions and the distances that have been set.
The present invention provides a spectacle lens having low surface resistivity. This spectacle lens includes a spectacle lens base and a hard coat layer. When a primer layer is included between the spectacle lens base material and the hard coat layer, the primer layer and/or the hard coat layer contains at least one type of electroconductive filler selected from the group consisting of ionic liquid-coated nanowires containing metal nanowires and an ionic liquid coating the metal nanowire, and ionic liquid-coated nanoparticles containing metal nanoparticles and an ionic liquid coating the metal nanoparticles. When the primer layer is not included between the spectacle lens base material and the hard coat layer, the hard coat layer contains the at least one type of electroconductive filler selected from the group consisting of the ionic liquid-coated nanowires and ionic liquid-coated nanoparticles.
C09D 133/10 - Homopolymers or copolymers of methacrylic acid esters
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
An eyeglass lens design device for designing a pair of aspherical lenses which exhibit rotational symmetry or axial symmetry around a component of a fixed focal length lens for a distance prescription comprising a fixed focal length lens or progressive refractive lens and having different strengths for the left and right lenses, said eyeglass lens design device being equipped with: an acquisition unit for acquiring left prism amount information which corresponds to the left-eye strength and right prism amount information which corresponds to the right-eye strength; a calculation unit for calculating a computed value of the left prism amount and right prism amount on the basis of the left prism amount information and the right prism amount information; and a change unit for calculating a design parameter change amount in the right-eye aspherical lens and/or the left-eye aspherical lens on the basis of the computed value of the left prism amount and right prism amount, and changing the design parameter on the basis of the calculated design parameter change amount.
(1) a water sliding angle is not larger than 50° after a abrasion resistance test in which a 200 g load per 1.5 cm×1.5 cm area is applied to a surface on the water-repellent layer (r) side of the laminate and the surface is rubbed 20,000 times.
B05D 1/00 - Processes for applying liquids or other fluent materials
B05D 3/10 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
B05D 5/08 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
This image generation device comprises: a sample image generation unit for generating a sample image which is a two-dimensional image of an object and/or scene on the basis of sample stereoscopic information representing three-dimensional information of the object and/or scene; a frame image generation unit for generating, on the basis of frame stereoscopic information representing three-dimensional information of a desired spectacles frame, a frame image which is a two-dimensional image of the frame; a blurred image generation unit for generating, on the basis of the sample image generated by the sample image generation unit and the frame image generated by the frame image generation unit, a blurred image in which a region including a portion outside the frame in a composite image of the sample image and the frame image is blurred; and a display image generation unit for generating a display image on the basis of the blurred image generated by the blurred image generation unit and an image of the portion inside the frame in the composite image of the sample image and the frame image.
G06T 19/00 - Manipulating 3D models or images for computer graphics
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
G06T 5/20 - Image enhancement or restoration using local operators
77.
VISUAL FUNCTION EXAMINATION DEVICE, SPECTACLE LENS PRESENTATION SYSTEM, PRINTED MATTER, VISUAL FUNCTION EXAMINATION METHOD, SPECTACLE LENS PRESENTATION METHOD, AND PROGRAM
This visual function examination device is provided with: an answer information acquisition unit that acquires answer information indicating an answer relating to glare which a subject feels from a target based on glare optical illusion; and an index calculation unit that calculates an index relating to the glare felt by the subject on the basis of the answer information acquired by the answer information acquisition unit.
A61B 3/06 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptationSubjective types, i.e. testing apparatus requiring the active assistance of the patient for testing colour vision
78.
SPECTACLE LENS, METHOD FOR DESIGNING SPECTACLE LENS, METHOD FOR MANUFACTURING SPECTACLE LENS, AND DEVICE FOR DESIGNING SPECTACLE LENS
A spectacle lens (L1) comprises a first lens section (10) including a first region (11) for seeing an object at a first distance, and a second lens section (20), and the second lens section (20) comprises: a second region (22) in which a refractive index that is higher than the refractive index of the first lens section (10) is distributed, for seeing an object at a second distance less than the first distance; an intermediate region (21) which is disposed above the second region (22) and has a prescribed width (D21) in the vertical direction in a longitudinal cross section including the optical axis (AX) of the spectacle lens (L1), and which has a refractive index gradient component that is positive downward on a certain line connecting at least the first lens section (10) and the second region (22); and a third region (23) which is disposed behind, beside, or below at least the second region (22) between the second region (22) and the first lens section (10), and has a nonuniform refractive index higher than the refractive index of the first lens section (10).
The present invention provides a composition which is capable of forming a film that is excellent in terms of hardness and low haze properties. The present invention also provides an eyeglass lens. A composition according to the present disclosure contains: modified inorganic oxide particles, each of which comprises an inorganic oxide particle and a first organic polymer chain that is immobilized on the surface of the inorganic oxide particle; and a silsesquioxane which has a second organic polymer chain.
SINGLE FOCUS SPECTACLE LENS, METHOD FOR DESIGNING SINGLE FOCUS SPECTACLE LENS, METHOD FOR MANUFACTURING SINGLE FOCUS SPECTACLE LENS, AND SINGLE FOCUS SPECTACLE LENS DESIGN DEVICE
In this single focus spectacle lens, the refractive index is non-uniform, the optical magnification is not defined only by the refractive index, astigmatism is at most equal to 0.15D in a position at a distance of 20 mm from the optical axis of the single focus spectacle lens, and the difference obtained by subtracting the refractive index at the optical axis from the refractive index at said position is at least equal to 0.015.
09 - Scientific and electric apparatus and instruments
Goods & Services
Spectacles, eyeglasses and sports goggles; lenses for spectacles; parts and accessories for spectacles, namely, frames, temples, cases, cords and chains
The present invention relates to an optical member that comprises a plastic base material, a hard coat layer which is disposed on the plastic base material, and an antireflective film which is disposed on the hard coat layer, wherein the antireflective film comprises prescribed high-refractive index layers and prescribed low-refractive index layers which are laminated alternately and which satisfy prescribed requirements.
The present invention provides a composition for forming a hard coat layer, which is capable of forming a hard coat layer that exhibits excellent adhesion to an adjacent layer, while having excellent hardness. A composition for forming a hard coat layer according to the present invention contains: a (meth)acrylate which has at least one group that is selected from the group consisting of a phosphoric acid group and a sulfonic acid group; a silsequioxane which has a radically polymerizable group; and metal oxide particles.
This sensitivity evaluation method comprises: causing a wearer to visually recognize an object through a lens or a lens group at least one optical property among the spherical power, cylindrical power, and astigmatic axis angle of which is controllable; and acquiring information relating to the sensitivity to aberration of the wearer.
G02C 7/06 - LensesLens systems bifocalLensesLens systems multifocal
92.
METHOD FOR DESIGNING SPECTACLE LENS, METHOD FOR MANUFACTURING SPECTACLE LENS, SPECTACLE LENS, DEVICE FOR DESIGNING SPECTACLE LENS, SYSTEM FOR ORDERING AND RECEIVING ORDER OF SPECTACLE LENS, AND DESIGN PROGRAM
This method for designing a spectacle lens includes: acquiring first information about the usage of a spectacle lens; acquiring second information about at least one of a sight line of a wearer during said usage, a location, a use tool, and the body of the user; acquiring data indicating the number, the position, the shape, and the size of a plurality of first regions set on the face of the spectacle lens, and indicating the distance to a target to be viewed through the respective first regions; setting a variable numerical value, from among the numerical values indicating the distance and the number, the position, the shape, and the size of the first regions in the data, and setting the plurality of first regions on the face and the distance; and setting a target aberration distribution on the basis of the set plurality of first regions and the set distance.
Provided is a plastic substrate that has excellent luminous transmittance and excellent blue light blocking properties, as well as low yellowness. A plastic substrate according to the present disclosure contains 2-(3-t-butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole, a resin, a first bluing agent of which the maximum absorption wavelength is located in the 570-605 nm range, and a second bluing agent of which the maximum absorption wavelength is located in the 510-535 nm range, wherein: the resin is formed from raw materials including an episulfide compound and a polythiol compound; and the content of the 2-(3-t-butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole is 0.35-0.95 parts by mass relative to 100 parts by mass of the resin.
C08K 5/3475 - Five-membered rings condensed with carbocyclic rings
C08L 81/00 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon onlyCompositions of polysulfonesCompositions of derivatives of such polymers
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
C08G 75/08 - Polythioethers from cyclic thioethers from thiiranes
94.
EYEGLASS LENS DESIGN METHOD, EYEGLASS LENS PRODUCTION METHOD, EYEGLASS LENS, EYEGLASS LENS ORDER-SENDING DEVICE, EYEGLASS LENS ORDER-RECEIVING DEVICE, AND EYEGLASS LENS ORDER-SENDING AND ORDER-RECEIVING SYSTEM
An eyeglass lens design method comprising: acquiring information pertaining to the dominant eye of a wearer when the wearer views objects that are at a plurality of different distances; and designing an eyeglass lens on the basis of said information.
The present invention provides a spectacle lens having low surface resistivity. This spectacle lens includes a spectacle lens base material and a hard coat layer. When a primer layer is included between the spectacle lens base material and the hard coat layer, the primer layer and/or the hard coat layer contains at least one type of electroconductive filler selected from the group consisting of ionic liquid-coated nanowires containing metal nanowires and an ionic liquid coating the metal nanowires, and ionic liquid-coated nanoparticles containing metal nanoparticles and an ionic liquid coating the metal nanoparticles. When a primer layer is not included between the spectacle lens base material and the hard coat layer, the hard coat layer contains at least one type of electroconductive filler selected from the group consisting of ionic liquid-coated nanowires and ionic liquid-coated nanoparticles.
To provide a stacked body obtained by stacking a base member, an intermediate layer, and a water-repellent layer in this order, the stacked body having superior wear resistance. This stacked body is provided with a base member (s) having a reflection prevention layer, an intermediate layer (c) provided on the reflection prevention layer side of the base member, and a water-repellent layer (r) in this order, the stacked body being characterized in that: the intermediate layer (c) is a hardening layer of a mixed composition (cc) of an organic silicon compound (C) having silicon atoms and having an amino group and/or an amino skeleton, or a vapor deposition layer of the organic silicon compound (C); the water-repellent layer (r) is a hardened layer of a mixed composition (ca) of an organic silicon compound (A) in which a univalent group having a perfluoropolyether structure is bonded to a silicon atom with or without a bonding group and a hydrolyzable group is bonded to the silicon atom with or without a bonding group; and the following condition (1) is satisfied. (1) The sliding down angle of water is no more than 50% after a wear resistance test in which a load of 200 g per area of 1.5 cm by 1.5 cm is applied and scratched 20,000 times on the water-repellent layer (r) side of the stacked body.
B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
B05D 3/10 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
G02B 1/113 - Anti-reflection coatings using inorganic layer materials only
G02B 1/14 - Protective coatings, e.g. hard coatings
G02B 1/18 - Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
