Abrégé

A holding jig and a related technique thereof, which is a holding jig for holding an optical element, including: a base; a plurality of holding mechanisms that hold a peripheral edge of the optical element; a biasing member that biases a first holding mechanism among the plurality of holding mechanisms so that the first holding mechanism rotates toward a side surface of the optical element to be held; and a lever that can be rotated in a direction parallel to a plane including a rotation direction of the first holding mechanism, wherein the lever is rotated to fix the first holding mechanism, thereby reducing a biasing force added on the optical element by the biasing member.

Classes IPC  ?

• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires

Abrégé

Provided are photochromic compounds represented by General Formula 1, photochromic compounds represented by General Formula 2 and photochromic compounds represented by General Formula 3. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure. In General Formula 2, R200 to R211, and X3 and X4 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure. In General Formula 3, R300 to R311, and X5 and X6 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure. Provided are photochromic compounds represented by General Formula 1, photochromic compounds represented by General Formula 2 and photochromic compounds represented by General Formula 3. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure. In General Formula 2, R200 to R211, and X3 and X4 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure. In General Formula 3, R300 to R311, and X5 and X6 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure.

Classes IPC  ?

• C07D 311/92 - NaphtopyrannesNaphtopyrannes hydrogénés
• G02C 7/02 - VerresSystèmes de verres
• G03C 1/73 - Compositions photosensibles non couvertes par les groupes contenant des composés organiques

Abrégé

An eyeglass lens including a base region that causes light incident on an object-side surface to exit from an eye-side surface, enter an eye, and converge at a predetermined position A on a retina, and a plurality of defocus regions having a characteristic of causing light to converge at a position B farther from an object side than the position A is. Also, d1/d2 is greater than 2 and less than 3, where d1, which is the diameter of a circle circumscribing a triangle connecting centers of three of the defocus regions closest to each other, is divided by d2, which is the diameter of the defocus regions.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

One embodiment according to the present disclosure relates to a monomer for an optical component, including: a compound represented by the formula (1), in which a total value P1 of peak areas at retention times before the main peak in measurement through gel permeation chromatography is 3.5% or less of a total value P2 of all peak areas. One embodiment according to the present disclosure relates to a monomer for an optical component, including: a compound represented by the formula (1), in which a total value P1 of peak areas at retention times before the main peak in measurement through gel permeation chromatography is 3.5% or less of a total value P2 of all peak areas.

Classes IPC  ?

• C07D 331/02 - Cycles à trois chaînons
• C08G 75/16 - Polysulfures par polycondensation de composés organiques avec des polysulfures inorganiques
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques

Abrégé

A method for determining a spectacle lens, the method including: preparing multiple blurred images in which an amount of added aberration is varied with respect to a predetermined original image; simultaneously presenting the multiple blurred images to a subject to compare appearances of them, then obtaining a subjective response of the subject, to thereby measure a subject's sensitivity to aberration; and determining a spectacle lens suitable for the subject based on the subject's sensitivity to aberration.

Classes IPC  ?

• 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 3/036 - 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

Abrégé

An electrochromic element, a lens for spectacles or the like wherein an undulation is controlled by adjusting the difference in reflection power within a predetermined range. An electrochromic element wherein a lens substrate and an electrochromic film are laminated together, wherein an absolute value of a difference in reflection power in 30% or more of spaces between local regions adjacent to each other among individual local regions obtained by splitting a 40 mm×40 mm range a surface center into 5 mm× 5 mm regions is 0.05 D or more and 0.5 D or less, a surface of the electrochromic film has an undulation, and a maximum height undulation (Wz) in 30% or more of the individual 5 mm×5 mm local regions obtained by splitting the 40 mm×40 mm range the surface center is 6 μm or more and 30 μm or less.

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

Provided is an ophthalmological lens configured to provide a near-sightedness progression suppression effect using a monochromatic aberration of a pencil that is a bundle of rays passing through the ophthalmological lens and passing through a pupil, the ophthalmological lens including a wavelength filter for attenuating light of a long wavelength longer than a set dominant wavelength, and technology related thereto.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

An electrochromic element in which an apparent undulation can be reduced, a lens for spectacles, spectacles, and a method of producing an electrochromic element. An electrochromic element is an electrochromic element in which a lens substrate and an electrochromic film are laminated together, in which an absolute value of a difference between a maximum value and a minimum value of a transmission power in all of a 40 mm×40 mm range at a center of a surface is 0.30 D or less.

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A spectacle lens includes: an object-side surface and an eyeball-side surface; a first refractive region having a first refractive power based on a prescription for correcting a refractive error of an eye; and a second refractive region having a refractive power different from the first refractive power, the second refractive region forming a focal point at a position other than a retina of the eye to suppress progression of the refractive error of the eye. An interface portion is inside the spectacle lens, the interface portion includes a base portion, and convex portions protruding from or concave portions recessed from the base portion, the function of the second refractive region is exerted by using mutually different respective refractive indexes of two types of members sandwiching the interface portion, and the convex portions or the concave portions, and an outermost surface portion of the spectacle lens is smoothly polished.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs
• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

At least one of two optical surfaces respectively located on an object side and an eyeball side has: a base surface configured to cause a light beam incident from the object side to be emitted toward the eyeball side, and to converge at a position A on a retina of an eyeball; and a plurality of defocus surfaces configured to cause a light beam incident from the object side to be emitted toward the eyeball side, and to converge at a position B that is farther away from the object side than the position A is, the base surface is a convex surface, and at least one of the defocus surfaces is a non-concave surface.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

Provided is a refractive characteristic measurement device (1) that measures a refractive characteristic of an eye (25), the device including: a light emission unit (20); an opening member (10) that is positioned between the light emission unit and the eye and has a first opening (11) and a second opening (12) through which light emitted by the light emission unit is narrowed and passed; a first optical element (13) that is provided in the first opening and transmits light in a first wavelength band; and a second optical element (14) that is provided in the second opening and transmits light in the second wavelength band, in which the light emission unit includes a background portion (23) that emits white light, a first visual target portion (21) that emits first light (Li) that is a complementary color to light in the first wavelength band, and a second visual target portion (22) that emits second light (L2) that is a complementary color to light in the second wavelength band.

Classes IPC  ?

• G01M 11/02 - Test des propriétés optiques

Abrégé

A method of producing an optical article including applying a polymerizable composition onto a substrate to form a coating layer; and emitting light from a light source that emits light in a wavelength range ranging from ultraviolet light to visible light to the coating layer to cure the coating layer, wherein the polymerizable composition includes one or more polymerizable compounds having a molecular weight of 500 or less, a photopolymerization initiator having adsorption in at least a part of a visible light wavelength range, and a ultraviolet absorbing compound, wherein, during the light emission, for at least a certain period from the start of the light emission, the light emission is performed after a ultraviolet blocking filter is disposed between the light source and the coating layer.

Classes IPC  ?

• G02B 1/12 - Revêtements optiques obtenus par application sur les éléments optiques ou par traitement de la surface de ceux-ci par traitement de la surface, p. ex. par irradiation
• A42B 1/0182 - Visières
• A42B 3/22 - Visières
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A method for designing an eyeglass lens includes a step of setting a plurality of states in which a subject wearing a lens frame for eye examination looks downward, having the subject compare how a visual target appears, and obtaining a subjective response of the subject, and a step of designing an eyeglass lens suitable for the subject based on the subjective response.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method of producing pentaerythritol mercaptocarboxylate including subjecting a mercaptocarboxylic acid and pentaerythritol to a dehydration reaction under solvent-free conditions, a polymerizable composition containing the pentaerythritol mercaptocarboxylate, a resin which is a cured product of the polymerizable composition, an optical material containing the resin, and a spectacle lens containing the resin.

Classes IPC  ?

• C07C 319/12 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par des réactions n'impliquant pas la formation de groupes mercapto
• C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques

Abrégé

A polymerizable composition for an optical article, including two or more (meth)acrylates and a photochromic compound. The two or more (meth)acrylates include at least a multifunctional (meth)acrylate containing a polyalkylene glycol moiety and having a molecular weight of 500 or more, and the (meth)acryloyl group content in the polymerizable composition for an optical article is 3.50 mmol/g or more.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres
• C08F 222/10 - Esters
• C09D 4/06 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
• C09D 5/29 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte pour effets multicolores
• C09D 135/02 - Homopolymères ou copolymères d'esters
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A photochromic article including a substrate; a primer layer formed by curing a polymerizable composition for forming the primer layer, and a photochromic layer formed by curing a (meth)acrylate-based polymerizable composition containing a photochromic compound, in this order, wherein the polymerizable composition for forming the primer layer contains isocyanate group-containing urethane (meth)acrylate, and the polymerizable composition for forming the primer layer has an isocyanate group content rate of 2.0 mass % or more when a total amount of the composition is set to 100 mass %.

Classes IPC  ?

• C09D 5/29 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte pour effets multicolores
• C09D 4/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
• C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
• C09D 135/02 - Homopolymères ou copolymères d'esters
• C09D 175/14 - Polyuréthanes comportant des liaisons non saturées carbone-carbone
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A polymerizable composition for an optical article, including the following component A, component B and component C: component A: multifunctional (meth)acrylate containing a polyalkylene glycol moiety and having a molecular weight of 500 or more, component B: monofunctional (meth)acrylate represented by the following Formula 1, and component C: photochromic compound A polymerizable composition for an optical article, including the following component A, component B and component C: component A: multifunctional (meth)acrylate containing a polyalkylene glycol moiety and having a molecular weight of 500 or more, component B: monofunctional (meth)acrylate represented by the following Formula 1, and component C: photochromic compound A polymerizable composition for an optical article, including the following component A, component B and component C: component A: multifunctional (meth)acrylate containing a polyalkylene glycol moiety and having a molecular weight of 500 or more, component B: monofunctional (meth)acrylate represented by the following Formula 1, and component C: photochromic compound (in Formula 1, R10 represents a hydrogen atom or a methyl group, and R11 represents a linear alkyl group having 3 or more carbon atoms or a branched alkyl group having 3 or more carbon atoms).

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
• C08F 222/10 - Esters
• C09D 4/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
• C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
• C09K 9/02 - Substances organiques devenant sombres
• G02B 5/23 - Filtres photochromiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method of determining characteristics of light, including: a relationship acquisition step of, with respect to a subject, obtaining in advance a relationship 1 between a wavelength and irradiance of light that decides whether or not a morphological change of an ocular cell is caused and a relationship 2 between the wavelength and irradiance of the light that decides whether or not migration of the ocular cell is changed; a relationship selection step of selecting at least any of the relationship 1 and the relationship 2 depending on a degree 1 that is required for the morphological change and a degree 2 that is required for the cell migration; and a determination step of determining a wavelength and irradiance of light to be incident on the subject's eye based on the selected relationship.

Classes IPC  ?

• 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

Abrégé

The invention provides an ampholytic surfactant containing quaternary ammonium salt as well as a preparation method and application of the ampholytic surfactant, and belongs to the field of materials. The amphoteric surfactant containing quaternary material, carrying out alkaline hydrolysis in ammonia water to obtain water-soluble carboxylate, and grafting quaternary ammonium salt groups on amide groups. Due to the existence of the quaternary ammonium salt group, the surfactant has good antibacterial property, and due to the fact that the surfactant has both a cationic group and an anionic group, the surfactant has good antistatic property. In application, the surfactant can be prepared with alkyl sodium sulfonate to obtain a pre-disinfection detergent for sanitary equipment and medical instruments. The surfactant and a thickener aid are dissolved in a solvent according to a certain ratio to obtain an antibacterial antifogging agent. The surfactant can also be added into a tanning agent to improve the antibacterial property of the tanning agent.

Classes IPC  ?

• C09D 5/16 - Peintures antisalissuresPeintures subaquatiques
• C08G 18/63 - Polymères séquencés ou greffés obtenus par polymérisation de composés contenant des doubles liaisons carbone-carbone sur des polymères
• C09D 5/14 - Peintures contenant des biocides, p. ex. fongicides, insecticides ou pesticides
• C09D 7/63 - Adjuvants non macromoléculaires organiques
• C09D 175/06 - Polyuréthanes à partir de polyesters
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method of producing pentaerythritol mercaptocarboxylate includes subjecting pentaerythritol and mercaptocarboxylic acid to a dehydration reaction, wherein the pentaerythritol has an absorbance of 0.1 or more at a wavelength of 270 nm in an aqueous solution containing 5 mass % of the pentaerythritol measured in a quartz cell with an optical path length of 50 mm. A polymerizable composition contains the pentaerythritol mercaptocarboxylate. A resin is a cured product of the polymerizable composition. An optical material contains the resin. A spectacle lens contains the resin.

Classes IPC  ?

• C07C 319/12 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par des réactions n'impliquant pas la formation de groupes mercapto
• C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques

Abrégé

A method for designing a spectacle lens and a related technique thereof, including: a modeling step of dividing a pattern into multiple models with a deviation from a normally worn state of the spectacle lens as decentering, wherein a reference model, decenter model, and tilt model are prepared as the multiple model; a sensitivity calculation step of calculating a decenter and a tilt sensitivity; and a design step of using a base curve value in the vicinity of a balance solution as a base curve of the spectacle lens, wherein a base curve value which is a curvature of a surface in a region where the on-retinal non-convergence region is not provided on an object-side surface is taken as x-axis, and the decenter and tilt sensitivities are taken as y-axis, and an intersection of a plot of the decenter sensitivity and the tilt sensitivity is taken as the balance solution.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

There are provided a method for designing a spectacle lens and a related technique thereof, the method including: a modeling step of dividing a pattern into multiple models with a deviation from a normally worn state of the spectacle lens as decentering, in which a reference model, a decenter model, and a tilt model are prepared as the multiple model; a sensitivity calculation step of calculating a decenter sensitivity and a tilt sensitivity; and a design step of using a base curve value in the vicinity of a balance solution as a base curve of the spectacle lens, wherein a base curve value c [unit: diopter (D)] which is a curvature of a surface in a region H where the on-retinal non-convergence region is not provided on an object-side surface is taken as x-axis, and the decenter sensitivity and the tilt sensitivity [unit: diopter (D)] are taken as y-axis, and an intersection of a plot of the decenter sensitivity and a plot of the tilt sensitivity is taken as the balance solution.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux
• G02C 7/02 - VerresSystèmes de verres

Abrégé

An eyeglass lens has a configuration including two optical faces on an object side and an eyeball side, at least one of which has a base surface configured to cause a luminous flux incident from the object side to exit to the eyeball side and converge to a position on a retina of an eyeball, and a plurality of defocus surfaces configured to cause a luminous flux incident from the object side to exit to the eyeball side and converge to a position further away from the object side than the position, wherein a power Pb of the base surface and a defocus power Ps of the defocus surfaces satisfy a relationship of −0.25 Ps

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method for producing a spectacle lens with a base material and a metal atom-containing layer disposed on the base material, the method including: forming the metal atom-containing layer on the base material by electron beam vapor deposition of irradiating, with an electron beam, a vapor deposition source with a carrier that contains at least one granule selected from the group consisting of silicon dioxide (SiO2), zirconium oxide (IV) (ZrO2), and titanium oxide (IV) (TiO2) and carries a metal particle containing at least one metal.

Classes IPC  ?

• G02B 1/115 - Multicouches
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• 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
• G02C 7/02 - VerresSystèmes de verres

Abrégé

An eyeglass lens with a functional region, wherein the functional region includes: a base region that causes a luminous flux that has entered an object-side face to exit from an eyeball-side face, enter a pupil of a wearer, and converge on a retina; and retinal non-convergence regions that cause a luminous flux that has entered the object-side face to exit from the eyeball-side face, and do not cause a luminous flux that has entered the pupil of the wearer to converge on the retina, at least some of the retinal non-convergence regions are buffer regions that can compensate local negative astigmatism occurring due to spherical aberration of the eye at some positions of a distribution of the astigmatism, and surfaces of the buffer regions are toric surfaces whose axial direction is a circumferential direction, and are elongated along the circumferential direction in a plan view.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

A lens frame includes a lens holding member having one pair of lens housings holding lenses and one pair of temple members, and the temple member includes each front temple part supporting the lens holding member, a rear temple part connected to a rear side of the front temple part, and an angle adjustable connection part that is able to adjust an angle of the front temple part with respect to the rear temple part using a rotation center portion as a center, and the front temple part has a length adjusting mechanism that is able to adjust a length of the front temple part.

Classes IPC  ?

• A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
• A61B 3/14 - Dispositions spécialement adaptées à la photographie de l'œil
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A spectacle lens and related techniques, the spectacle lens having an object-side surface and an eyeball-side surface and including a light guide member, a first lens element that is adjacent to the light guide member on an object side, and a second lens element that is adjacent to the light guide member on an eyeball side, in which, when a light beam that passes through the first lens element and the second lens element forms an image to obtain an image of reality, a wearer's prescription values are realized with the first lens element and the second lens element, a virtual image that is obtained by formation of an image with a light beam that travels in the light guide member and passes through the second lens element is displayed by the second lens element away from the wearer by a predetermined one distance.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A photochromic compound represented by General Formula 1, wherein R represents an unsubstituted aliphatic monocyclic ring with 6 or less carbon atoms (including a carbon atom at the 13-position of an indeno-fused naphthopyran), and R1 to R8, B, and B′ each independently represent a hydrogen atom or a substituent, provided that one or more of R1 to R8 represent electron-withdrawing groups. A photochromic compound represented by General Formula 1, wherein R represents an unsubstituted aliphatic monocyclic ring with 6 or less carbon atoms (including a carbon atom at the 13-position of an indeno-fused naphthopyran), and R1 to R8, B, and B′ each independently represent a hydrogen atom or a substituent, provided that one or more of R1 to R8 represent electron-withdrawing groups.

Classes IPC  ?

• C07D 311/92 - NaphtopyrannesNaphtopyrannes hydrogénés
• C07D 405/10 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne carbonée contenant des cycles aromatiques
• C07D 413/10 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes d'azote et d'oxygène comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne carbonée contenant des cycles aromatiques
• C09K 9/02 - Substances organiques devenant sombres
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A photochromic compound represented by General Formula 1 wherein, R represents a substituted or unsubstituted ring structure which is spirofused with an indeno-fused naphthopyran and has 3 or more and 20 or less carbon atoms (including the carbon atom at the 13-position of the indeno-fused naphthopyran), and R1 to R4, B, and B′ each independently represent a hydrogen atom or a substituent. A photochromic compound represented by General Formula 1 wherein, R represents a substituted or unsubstituted ring structure which is spirofused with an indeno-fused naphthopyran and has 3 or more and 20 or less carbon atoms (including the carbon atom at the 13-position of the indeno-fused naphthopyran), and R1 to R4, B, and B′ each independently represent a hydrogen atom or a substituent.

Classes IPC  ?

• C07D 311/94 - Composés hétérocycliques contenant des cycles à six chaînons comportant un atome d'oxygène comme unique hétéro-atome du cycle, condensés avec d'autres cycles condensés en ortho ou en péri avec des carbocycles ou avec des systèmes carbocycliques condensés avec des cycles autres que des cycles à six chaînons ou avec des systèmes cycliques contenant de tels cycles
• C08K 5/1545 - Cycles à six chaînons
• C08K 5/3432 - Cycles à six chaînons
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A polymerizable composition for optical components, including an epithio compound (1) having an ether bond and an epithio compound (2) having a thioether bond or a dithioether bond.

Classes IPC  ?

• C08G 75/08 - Polythioéthers à partir de thioéthers cycliques à partir de thiiranes
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method for manufacturing a spectacle lens and a related technique thereof, includes: performing desired marking processing by irradiating one surface of a spectacle lens with laser, the spectacle lens having an object-side surface and an eyeball-side surface each having a different anti-reflection film, the marking processing including: determining an applicable wavelength of the laser to be used; selecting a surface with an anti-reflection film having a relatively low reflectance to the applied wavelength, out of the object-side surface and the eyeball-side surface; and performing laser irradiation to the selected surface using the applied wavelength.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

There is provided a spectacle lens, including: a base region that causes a light beam incident from an object-side surface to exit from an eyeball-side surface and converge to a predetermined position A on a retina through an eyeball; a plurality of defocus regions having a property of converging a light beam to a position B closer to an object side than the position A, or a position C closer to an opposite side of the position B as seen from the position A; and a transfer region provided at a boundary between the base region and the defocus region to gradually change a curvature between the base region and the defocus region.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

A method for producing a spectacle lens from a lens material and includes: a marking step of marking an identification mark for identifying the spectacle lens, and a processing information mark which is used to process a lens blank and includes a tray identification 2D code, a tray identification code, a shape line and a position mark by forming a hole or a groove in a convex surface of the lens material by laser; and a concave surface machining processing step of reading the processing information mark, and machining a concave surface of the lens blank based on the read processing information mark.

Classes IPC  ?

• B24B 13/005 - Dispositifs de blocage, supports ou similairesDispositifs d'alignement
• 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 13/06 - Meulage de lentilles, l'outil ou la pièce étant commandé par des supports d'informations, p. ex. des gabarits, des bandes perforées ou magnétiques
• B29C 59/16 - Façonnage de surface, p. ex. gaufrageAppareils à cet effet par énergie ondulatoire ou rayonnement corpusculaire
• B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
• G01N 21/958 - Inspection de matériaux transparents
• G02C 7/02 - VerresSystèmes de verres
• G02C 13/00 - AssemblageRéparationNettoyage
• G06K 19/06 - Supports d'enregistrement pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques caractérisés par le genre de marque numérique, p. ex. forme, nature, code

Abrégé

A holding jig which is capable of holding any of optical elements of various shapes or sizes, and free of causing deformation or damage of the optical elements. A holding jig for holding an optical element includes: a base; first, second and third holding parts which hold the periphery of a lens substrate; a first arm to which the first holding part is attached and which is provided to the base swingably about a pivot; a torsion spring biasing the first arm in a first swinging direction such that the first holding part is urged toward the lens substrate; and an arm locking mechanism configured to lock the swinging of the first arm.

Classes IPC  ?

• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• B05C 3/10 - 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 les objets étant déplacés dans le liquide ou autre matériau fluide
• B05C 13/02 - Moyens pour manipuler ou tenir des objets, p. ex. des objets individuels pour des objets particuliers

Abrégé

A method for manufacturing an optical member, and a related technique, the method including: applying desired laser processing to an anti-reflection film formed to coat an optical surface of an optical base material and having a multilayer structure including laminated layers of a low refractive index layer and a high refractive index layer, by irradiating the anti-reflection film with ultrashort pulse laser; and partially removing a predetermined layer including an outermost layer of the multilayer structure, the ultrashort pulse laser having a pulse width of 10 femtoseconds or more and less than 100 picoseconds, the anti-reflection film including a reactive layer that is relatively more reactive to irradiation with the ultrashort pulse laser than other layers included in the multilayer structure, wherein the reactive layer is subjected to the laser processing so as to be visually recognizable by visible light by being at least partially removed.

Classes IPC  ?

• G02B 1/115 - Multicouches
• B23K 26/0622 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples par commande directe du faisceau laser par impulsions de mise en forme
• B23K 26/36 - Enlèvement de matière
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

An electronic dimming lens acquired by combining an electronic element for dimming and a lens, the electronic dimming lens including: holes that open on an outer face of the electronic dimming lens and are connected to electrodes for a positive electrode and a negative electrode in the electronic element; and terminal members that are molded to match a shape of the holes and are inserted into the holes, in which the terminal member is electrically connected to the electrodes inside of the hole and has one end part exposed to an opening of the hole. In accordance with this, reliability, durability, and producibility of terminals connected to electrodes of the electronic element for dimming can be configured to be superior.

Classes IPC  ?

• G02C 7/16 - Écrans ou appareils protecteursObturateurs, p. ex. avec trous d'aiguille, avec fentes
• G02B 26/02 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander l'intensité de la lumière

Abrégé

A spectacle optical article and a technology related thereto, the spectacle optical article including an outer surface that is a surface on the object side and an inner surface that is a surface on the eyeball side, and containing glossy particles with particle diameters of 50 to 150 μm between both the surfaces.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02B 1/11 - Revêtements antiréfléchissants
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A spectacle lens including an antifouling layer which is a condensate of an antifouling agent composition containing: 10 to 70 mass % of a compound (A) having a silyl group and a fluorinated alkyl group; and 30 to 90 mass % of a compound (B) having a silyl group at one end, a reactive group at the other end, and a polysiloxane chain structure.

Classes IPC  ?

• C09D 5/16 - Peintures antisalissuresPeintures subaquatiques
• C08G 77/46 - Polymères séquencés ou greffés contenant des segments de polysiloxanes contenant des segments de polyéthers
• C09D 183/12 - Copolymères séquencés ou greffés contenant des séquences de polysiloxanes contenant des séquences de polyéthers
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques

Abrégé

A spectacle lens including an antifouling layer which is a condensate of an antifouling agent composition containing: a compound (A) having a silyl group and a fluorinated alkyl group; a compound (B) having a silyl group at one end and a reactive group at the other end; and a chain fluorine compound (C) having no reactive group.

Classes IPC  ?

• G02B 1/16 - Revêtements optiques obtenus par application sur les éléments optiques ou par traitement de la surface de ceux-ci ayant un effet antistatique, p. ex. revêtements conducteurs électriques

Abrégé

There is provided a spectacle lens including a lens substrate, an inorganic layer, and a water-repellent layer in the stated order, and further including a metal-containing layer between the inorganic layer and the water-repellent layer, wherein a metal contained in the metal-containing layer is silver, and one or more metals selected from the group consisting of platinum, gold, palladium, mercury, cadmium, cobalt, nickel, copper, zinc, and titanium.

Classes IPC  ?

• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
• G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method for polishing a spectacle lens including a step of preparing a polishing pad provided with a flocking polishing sheet having a flocking part and abrasive grains that are attached to a surface of the flocking part on a polishing surface that comes into contact with a surface to be polished of a resin spectacle lens and a step of polishing the surface to be polished by bringing the surface to be polished into contact with the polishing surface by applying pressure and relatively moving the polishing pad and the spectacle lens while supplying a coolant to the polishing surface.

Classes IPC  ?

• B24B 13/01 - Outils particuliers, p. ex. de forme creuseFabrication, dressage ou fixation de ces outils

Abrégé

There is provided a spectacle lens and a related technique thereof, including: center clear areas, functional areas, and outer clear areas, wherein in planar view, the functional area falls within a circle centered on an eye point and having a diameter that is any one value of 15.00 to 25.00 mm.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

A spectacle lens, including: a central clear area that is an area including an eye point and allows a light beam entering from an object-side surface to exit from an eyeball-side surface, enter into a wearer's pupil, and converge on a retina; and a functional area that is an annular area surrounding the central clear area.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

A monomer for an optical component includes: a compound represented by the formula (1), in which a pH obtained through a pH measurement method below is 4.0 to 7.5. A monomer for an optical component includes: a compound represented by the formula (1), in which a pH obtained through a pH measurement method below is 4.0 to 7.5. (pH Measurement Method) 80 g of a sample, 80 mL of toluene, and 250 mL of water are mixed together in a liquid separation funnel, an aqueous phase is separated off, and the pH of the aqueous phase is measured. A monomer for an optical component includes: a compound represented by the formula (1), in which a pH obtained through a pH measurement method below is 4.0 to 7.5. (pH Measurement Method) 80 g of a sample, 80 mL of toluene, and 250 mL of water are mixed together in a liquid separation funnel, an aqueous phase is separated off, and the pH of the aqueous phase is measured.

Classes IPC  ?

• C07D 331/02 - Cycles à trois chaînons
• C08G 75/08 - Polythioéthers à partir de thioéthers cycliques à partir de thiiranes
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques

Abrégé

A spectacle lens, including: a base region; and a plurality of defocus regions surrounded by the base region.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

There are provided indeno-fused naphthopyran compound particles having a degree of crystallization of 60.00% or more and a maximum melting rate of 25% or less at a temperature of 200° C. or lower in a melting curve.

Classes IPC  ?

• C07D 311/92 - NaphtopyrannesNaphtopyrannes hydrogénés
• B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
• C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques

Abrégé

A photochromic compound is represented by the following General Formula 1. In General Formula 1, R1 and R2 are bonded to each other to form a ring structure together with the carbon atom at position 13 of indeno-fused naphthopyran, R3 to R6 each independently represent a hydrogen atom or an electron-attracting group, and one or more of R3 to R6 represent an electron-attracting group, R8 and R9 each independently represent a hydrogen atom or an electron-donating group, and at least one of R8 and R9 represents an electron-donating group, R7, R10, A and A′ each independently represent a hydrogen atom or a substituent. A photochromic compound is represented by the following General Formula 1. In General Formula 1, R1 and R2 are bonded to each other to form a ring structure together with the carbon atom at position 13 of indeno-fused naphthopyran, R3 to R6 each independently represent a hydrogen atom or an electron-attracting group, and one or more of R3 to R6 represent an electron-attracting group, R8 and R9 each independently represent a hydrogen atom or an electron-donating group, and at least one of R8 and R9 represents an electron-donating group, R7, R10, A and A′ each independently represent a hydrogen atom or a substituent.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A spectacle lens to which a base in prism deflecting light toward a nose of a user is added, wherein the spectacle lens has a reverse prism slope that has a sign opposite to a sign of an addition prism slope on a progressive zone at least in a distance side region of the addition prism curve expressed as a function of vertical coordinates on the spectacle lens, and an absolute value of the reverse prism slope is larger than 0.014 times the absolute value of the addition prism slope on the progressive zone.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux
• G02C 7/14 - MiroirsPrismes

Abrégé

Provided is an eyeglass lens configured to cause rays that have entered from an object-side surface to be emitted from an eyeball-side surface and cause the emitted rays to converge at a predetermined position A. The eyeglass lens includes a lens base material having a plurality of base material convex portions on at least one of the object-side surface and the eyeball-side surface, and the eyeglass lens has a configuration for suppressing stray light rays that do not pass through the vicinity of the predetermined position A or the vicinity of the position B that is closer to the object than the predetermined position A is.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02B 1/11 - Revêtements antiréfléchissants
• G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs

Abrégé

An electrochromic element having an electrode layer without cracks and a lens for spectacles using the same. The electrochromic element is an electrochromic element having an electrode layer and an electrochromic layer.

Classes IPC  ?

• G02F 1/155 - Électrodes
• G02F 1/153 - Détails de construction

Abrégé

A spectacle lens including: a substrate; and an antifogging layer, wherein the antifogging layer contains a resin and metal oxide particles.

Classes IPC  ?

• C09D 5/16 - Peintures antisalissuresPeintures subaquatiques
• C09D 7/61 - Adjuvants non macromoléculaires inorganiques
• C09D 183/10 - Copolymères séquencés ou greffés contenant des séquences de polysiloxanes
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques

Abrégé

A spectacle lens including: a substrate; and a water-absorbent antifogging layer, wherein the water-absorbent antifogging layer is an outermost layer of the spectacle lens, and the water-absorbent antifogging layer contains a resin having a siloxane bonding unit.

Classes IPC  ?

• C09D 5/16 - Peintures antisalissuresPeintures subaquatiques
• C09D 183/10 - Copolymères séquencés ou greffés contenant des séquences de polysiloxanes
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

An electronic element for electronic light control spectacles, which is combined with a lens and exhibits a light control effect when electric energy is supplied, including substrates, a pair of transparent electrode layers provided on the substrates, and a light control layer provided between the pair of transparent electrode layers, a sealing material that covers at least a part of the transparent electrode layer is provided in a peripheral area outside a light control area in which the pair of transparent electrode layers and the light control layer overlap, and each of the pair of transparent electrode layers has a projecting part extending to the peripheral area, and the projecting part is in contact with the sealing material without other conductive members being interposed therebetween.

Classes IPC  ?

• G02C 7/08 - Verres auxiliairesDispositions pour faire varier la distance focale
• G02F 1/155 - Électrodes
• G02F 1/161 - JointsÉléments d’espacementScellement de cellulesRemplissage ou fermeture de cellules

Abrégé

A composition for an antifogging film of a spectacle lens, wherein the composition has a viscosity at 15° C. of 20 mPa·s or more and 80 mPa·s or less, and a solid content of 10 mass % or more and 25 mass % or less.

Classes IPC  ?

• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
• C08G 18/40 - Composés de haut poids moléculaire
• C08G 18/42 - Polycondensats contenant des groupes ester carboxylique ou carbonique dans la chaîne principale
• C08G 18/62 - Polymères de composés contenant des liaisons doubles carbone-carbone

Abrégé

Provided is a spectacle lens having a lens substrate and an inorganic layer and further having a metal-containing layer between the lens substrate and the inorganic layer, in which metals that are contained in the metal-containing layer are silver and one or more metals selected from the group consisting of cobalt, nickel, zinc, copper, zirconium, molybdenum, lead, gold and palladium.

Classes IPC  ?

• G02B 1/113 - Revêtements antiréfléchissants utilisant des couches comportant uniquement des matériaux inorganiques
• G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs

Abrégé

There is provided a method for manufacturing a spectacle lens, including: preparing a lens substrate having a resin-containing hard coat film formed on at least one main surface; and forming a plurality of protuberances in which at least one of the lens substrate or the hard coat film is protruded, by irradiating the hard coat film with a laser.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux
• G02B 1/14 - Revêtements protecteurs, p. ex. revêtements durs
• G02B 3/08 - Lentilles simples ou composées à surfaces non sphériques à surfaces discontinues, p. ex. lentille de Fresnel

Abrégé

A colored spectacle lens comprising: a substrate containing a colorant; a water-absorbent antifogging layer present on at least one surface side of the substrate; and an intermediate layer between the substrate and the water-absorbent antifogging layer.

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• B01J 20/26 - Composés macromoléculaires synthétiques
• B01J 20/28 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation caractérisées par leur forme ou leurs propriétés physiques
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques

Abrégé

A spectacle lens including: a substrate; and a water-absorbent antifogging layer provided as an outermost layer on the substrate, wherein the water-absorbent antifogging layer contains an ultraviolet absorber, and the water-absorbent antifogging layer has spectral characteristics in which a light transmittance at least at 350 to 370 nm is less than 5%, and a wavelength at which the light transmittance is 5% or more is 370 nm or more.

Classes IPC  ?

• C09D 7/63 - Adjuvants non macromoléculaires organiques
• C09D 5/32 - Peintures absorbant les radiations
• C09D 175/06 - Polyuréthanes à partir de polyesters
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• G02C 11/08 - Moyens antibuée, p. ex. ventilation, chauffageMoyens d'essuyage

Abrégé

Provided is a spectacle lens having a lens substrate and an inorganic layer and further having a metal-containing layer between the lens substrate and the inorganic layer, in which a metal that is contained in the metal-containing layer is one or more metals selected from the group consisting of silver and platinum.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres

Abrégé

An eyeglass lens including: a substrate having a first main surface and a second main surface; a water-absorbent antifogging layer that is composed of a single layer and is formed on a side of the second main surface of the substrate; a light transmissive hard layer formed on the first main surface of the substrate; and a hydrophilic antifogging layer formed on the light transmissive hard layer.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02B 1/115 - Multicouches
• 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

Abrégé

There is provided a spectacle lens, including: a base region where a light flux incident from an object-side surface is emitted from an eyeball-side surface and converges on a retina through an eyeball; a plurality of defocus regions in contact with the base region and having a property that the light flux passing through at least a part of the defocus region is incident on a retina as a divergent light; and a first defocus region arrangement portion in which the plurality of defocus regions are arranged in such a manner that a 4 mm diameter circular region including only one defocus region exists in a circle in a planar view of the object-side surface.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A method for manufacturing a spectacle lens having a water-absorbent antifogging layer, the method including an application step of applying an antifogging layer composition on a substrate to form a coating film, the application step including: a first application step of applying an antifogging layer coating composition onto a substrate to form a coating film (x); and a second application step of applying an antifogging layer coating composition onto the coating film (x) to form a coating film (y).

Classes IPC  ?

• C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
• C08J 7/04 - Revêtement
• C09D 133/10 - Homopolymères ou copolymères d'esters de l'acide méthacrylique
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

An electrochromic element in which a decrease in responsiveness is minimized by making a side of the electrochromic element have gas barrier properties, and a lens for spectacles, the electrochromic element including a pair of electrode layers and an electrochromic layer arranged between the electrode layers, wherein a barrier layer surrounding the electrochromic layer is provided.

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• G02F 1/153 - Détails de construction
• G02F 1/155 - Électrodes

Abrégé

A method for producing a spectacle lens, including applying a coating liquid containing a water-absorbent antifogging layer composition to at least one surface of a substrate by a spin coating method to form a water-absorbent antifogging layer.

Classes IPC  ?

• C09D 151/08 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions de revêtement à base de dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
• C08F 283/02 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères prévus par la sous-classe sur des polycarbonates ou des polyesters saturés
• C09D 5/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

There is provided a spectacle lens including a lens substrate and an inorganic layer, and further including a metal-containing layer on the side of the surface of the inorganic layer opposite to the lens substrate, wherein a metal contained in the metal-containing layer includes a first metal and a second metal, the first metal is silver, and the second metal is one or more metals selected from the group consisting of cobalt, nickel, zinc, copper, zirconium, molybdenum, lead, platinum, gold and palladium.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres

Abrégé

There is provided a mold manufacturing method, including: preparing a glass mold formed of a glass material, as a molding mold for manufacturing an optical member having convex defocus portions on at least one of optical surfaces (S11); and irradiating a surface of the glass mold for forming the optical surface, with a short-pulse laser beam to form concave portions corresponding to the defocus portions (S12).

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• B29C 33/38 - Moules ou noyauxLeurs détails ou accessoires caractérisés par la matière ou le procédé de fabrication
• B29C 33/42 - Moules ou noyauxLeurs détails ou accessoires caractérisés par la forme de la surface de moulage, p. ex. par des nervures ou des rainures
• B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes

Abrégé

An electrochromic element in which a decrease in responsiveness is minimized by making a laminated structure have gas barrier properties, and a lens for spectacles, the electrochromic element in which a support and an electrochromic film having an electrode layer and an electrochromic layer are laminated, wherein a barrier layer is laminated in the laminated structure constituting the electrochromic element. The barrier layer preferably has gas barrier properties and transparency.

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• G02F 1/155 - Électrodes
• G02F 1/157 - Association structurelle des cellules avec des dispositifs optiques, p. ex. des réflecteurs ou des dispositifs d’éclairage

Abrégé

There are provided indeno-fused naphthopyran compound particles having a degree of crystallization of 10.00% or less and a maximum primary particle size of 200 μm or less.

Classes IPC  ?

• C09D 5/29 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, caractérisées par leur nature physique ou par les effets produitsApprêts en pâte pour effets multicolores
• C07D 311/94 - Composés hétérocycliques contenant des cycles à six chaînons comportant un atome d'oxygène comme unique hétéro-atome du cycle, condensés avec d'autres cycles condensés en ortho ou en péri avec des carbocycles ou avec des systèmes carbocycliques condensés avec des cycles autres que des cycles à six chaînons ou avec des systèmes cycliques contenant de tels cycles
• C08F 222/10 - Esters
• C08K 5/1545 - Cycles à six chaînons
• C09D 7/63 - Adjuvants non macromoléculaires organiques
• C09D 135/02 - Homopolymères ou copolymères d'esters
• C09K 9/00 - Substances devenant sombres, c.-à-d. substances pour lesquelles la gamme de longueurs d'onde absorbées est modifiée par excitation avec une énergie sous une forme quelconque
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A method of producing a polymerizable composition including mixing a photochromic compound with one or more polymerizable compounds using an ultrasonic homogenizer.

Classes IPC  ?

• C08F 222/10 - Esters
• B01F 31/80 - Mélange au moyen de vibrations à haute fréquence supérieures à 1 kHz, p. ex. de vibrations ultrasoniques
• C08F 2/46 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire
• C09D 7/41 - Pigments organiquesColorants organiques
• C09K 9/02 - Substances organiques devenant sombres
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

A method for producing a spectacle lens, the method including: determining the positions of at least three marks so as to specify the center position of a frame shape on the basis of the at least three marks; making marks at the determined positions; calculating the shape of a non-optical surface of a semifinished lens with respect to the center position when processing the non-optical surface according to a prescription; and processing the non-optical surface into the calculated shape with respect to the center position. When the semifinished lens is viewed in an optical axis direction, the at least three marks include a pair of marks located on a first straight line passing through the center position and a mark located on a second straight line that is orthogonal to the first straight line and passes through the center position.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• B24B 13/005 - Dispositifs de blocage, supports ou similairesDispositifs d'alignement
• B24B 13/06 - Meulage de lentilles, l'outil ou la pièce étant commandé par des supports d'informations, p. ex. des gabarits, des bandes perforées ou magnétiques
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• G02F 1/157 - Association structurelle des cellules avec des dispositifs optiques, p. ex. des réflecteurs ou des dispositifs d’éclairage

Abrégé

An optical product is provided that has a metal layer on a base material, wherein a surface layer portion of the metal layer on an opposite side thereof to a base material side thereof is passivated. A method of manufacturing the optical product includes forming the metal layer on the base material, and passivating the surface layer portion of the formed metal layer by an oxidation treatment.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02B 1/00 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques

Abrégé

A photochromic composition contains, in a predetermined combination: one or more photochromic compounds represented by General Formula 1; and one or more selected from the group consisting of a photochromic compound represented by General Formula A, a photochromic compound represented by General Formula B, and a photochromic compound represented by General Formula C. A photochromic composition contains, in a predetermined combination: one or more photochromic compounds represented by General Formula 1; and one or more selected from the group consisting of a photochromic compound represented by General Formula A, a photochromic compound represented by General Formula B, and a photochromic compound represented by General Formula C.

Classes IPC  ?

• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• C07D 311/94 - Composés hétérocycliques contenant des cycles à six chaînons comportant un atome d'oxygène comme unique hétéro-atome du cycle, condensés avec d'autres cycles condensés en ortho ou en péri avec des carbocycles ou avec des systèmes carbocycliques condensés avec des cycles autres que des cycles à six chaînons ou avec des systèmes cycliques contenant de tels cycles
• G02C 7/02 - VerresSystèmes de verres

Abrégé

There is provided a method of producing a spectacle lens, wherein the spectacle lens has a water-repellent layer, and the method including film-forming the water-repellent layer by a heat deposition method and heating a plurality of deposition sources according to different temperature profiles in the film-forming by the heat deposition method, wherein, in the plurality of deposition sources, at least one deposition source contains a water-repellent component and at least one deposition source contains a metal component.

Classes IPC  ?

• G02C 13/00 - AssemblageRéparationNettoyage
• G02B 1/12 - Revêtements optiques obtenus par application sur les éléments optiques ou par traitement de la surface de ceux-ci par traitement de la surface, p. ex. par irradiation
• G02B 1/18 - Revêtements pour garder des surfaces optiques propres, p. ex. films hydrophobes ou photocatalytiques

Abrégé

A photochromic composition containing one or more compounds represented by General Formula A and one or more compounds represented by General Formula B. In General Formula A, R1, R2, B1, and B2 each independently represent a hydrogen atom or a substituent, and R3 to R6 each independently represent a hydrogen atom or an electron-withdrawing group, provided that one or more of R3 to R6 represent an electron-withdrawing group. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent a hydrogen atom or an electron-donating group, provided that one or more of R13 and R14 represent an electron-donating group. A photochromic composition containing one or more compounds represented by General Formula A and one or more compounds represented by General Formula B. In General Formula A, R1, R2, B1, and B2 each independently represent a hydrogen atom or a substituent, and R3 to R6 each independently represent a hydrogen atom or an electron-withdrawing group, provided that one or more of R3 to R6 represent an electron-withdrawing group. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent a hydrogen atom or an electron-donating group, provided that one or more of R13 and R14 represent an electron-donating group.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres
• C08K 5/1545 - Cycles à six chaînons
• C08K 5/357 - Cycles à six chaînons
• C08K 5/5415 - Composés contenant du silicium contenant de l'oxygène contenant au moins une liaison Si—O

Abrégé

A semifinished lens is configured with at least three marks for specifying the center position of a frame shape. When the semifinished lens is viewed in an optical axis direction, the at least three marks include a pair of marks located on a first straight line passing through the center position and a mark located on a second straight line that is orthogonal to the first straight line and passes through the center position.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02F 1/155 - Électrodes

Abrégé

A method of processing a spectacle lens that has an electronic element overlapping an optical element and supplies electric energy to the electronic element through a terminal portion to produce a dimming effect, the method including: acquiring inner dimension information of a retaining portion of a frame, the retaining portion sandwiching and retaining a periphery of the spectacle lens between a front and a rear; acquiring thickness information of the periphery of the spectacle lens processed into an external shape corresponding to the frame; determining an interference area of the periphery of the spectacle lens; and performing thickness adjustment processing for removing the interference area, on a surface on the other side of the spectacle lens opposite to the surface on the one side of the spectacle lens. This configuration enables easy assembly of a spectacle lens to a frame without being restricted by the thickness of a lens periphery.

Classes IPC  ?

• G02C 13/00 - AssemblageRéparationNettoyage

Abrégé

A method for manufacturing an electronic light-modulating device that obtains a light-modulating effect by supplying electrical energy to an electronic element overlapping an optical element includes: forming a laminate in which a pair of electrode layers and a light-modulating layer between the pair of electrode layers are laminated; and setting, in the laminate, an overlapping region having a shape overlapping the optical element in a formation region of the light-modulating layer, setting two or more terminal regions which are continuous to an outer side of the overlapping region and in which one and the other of the pair of electrode layers are independently present, and cutting a portion including the overlapping region and the terminal regions from the laminate to form the electronic element. As a result, production efficiency is improved.

Classes IPC  ?

• G02F 1/155 - Électrodes
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• G02F 1/157 - Association structurelle des cellules avec des dispositifs optiques, p. ex. des réflecteurs ou des dispositifs d’éclairage

Abrégé

Provided are a photochromic compound represented by General Formula 1, and the like. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure. Provided are a photochromic compound represented by General Formula 1, and the like. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure.

Classes IPC  ?

• C07D 311/92 - NaphtopyrannesNaphtopyrannes hydrogénés
• G03C 1/73 - Compositions photosensibles non couvertes par les groupes contenant des composés organiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

Provided is a method for producing a spectacle lens including a metal-containing layer, comprising: irradiating, with an electron beam by electron-beam vapor deposition, a vapor deposition source having metal particles supported on a carrier to form the metal-containing layer.

Classes IPC  ?

• C23C 14/20 - Matériau métallique, bore ou silicium sur des substrats organiques
• C23C 14/10 - Verre ou silice
• C23C 14/08 - Oxydes
• C23C 14/30 - Évaporation sous vide par énergie éléctromagnétique ou par rayonnement corpusculaire par bombardement d'électrons
• C23C 14/12 - Composé organique

Abrégé

The photochromic compound is represented by the following general formula (1): The photochromic compound is represented by the following general formula (1): wherein, X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group: Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, R3 denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote any one of the divalent groups selected from the following group: The photochromic compound is represented by the following general formula (1): wherein, X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group: Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, R3 denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote any one of the divalent groups selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 if m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, The photochromic compound is represented by the following general formula (1): wherein, X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group: Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, R3 denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote any one of the divalent groups selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 if m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, denotes a norbornylidene group or the like.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres
• C09K 19/04 - Substances formant des cristaux liquides caractérisées par la structure chimique des constituants formant des cristaux liquides
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

An electrochromic element suppresses reflection at an interface between an electrode layer and a substrate and does not impair a wearing feeling and the like, and a spectacle lens using the electrochromic element. An electrochromic element includes a substrate and an electrochromic film disposed to be superimposed on the substrate, the electrochromic film includes an electrode layer and an electrochromic layer, and a luminous reflectance of an interface between the electrode layer and the substrate side is 1.0% or less. It is preferable that the electrode layer be a transparent electrode layer made of ITO, and a luminous reflectance of an interface between ITO and the substrate side be 1.0% or less.

Classes IPC  ?

• G02F 1/157 - Association structurelle des cellules avec des dispositifs optiques, p. ex. des réflecteurs ou des dispositifs d’éclairage
• G02F 1/155 - Électrodes
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

Provided are a method for manufacturing an eyeglass lens that includes a lens substrate having a plurality of substrate protruding portions that protrude from a substrate base portion on a surface of the lens substrate and a coating film provided so as to cover the plurality of substrate protruding portions, the outermost surface of the eyeglass lens having a plurality of convex portions and concave portions, the method including forming the coating film by immersing the lens substrate in a coating film liquid, pulling up the lens substrate, and drying the coating film liquid on the lens substrate while or after the coating film liquid flows under its own weight, and technology related thereto.

Classes IPC  ?

• B05D 1/18 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par immersion
• B05D 5/06 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir des effets multicolores ou d'autres effets optiques
• B05D 7/00 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers

Abrégé

An optical article including one or more photochromic compounds selected from group consisting of compound represented by general formula 1 and compound represented by general formula 2. In general formula 1, R1 to R8, and B1 and B2 each represent hydrogen atom or substituent, and at least either of B1 and B2 represents monovalent group represented by general formula 3; in general formula 2, R9 to R16, and B3 and B4 each represent hydrogen atom or substituent, and at least either of B3 and B4 represents monovalent group represented by general formula 3; and in general formula 3, Ar1 represents aryl group or heteroaryl group, R18 represents hydrogen atom or substituent, Ar1 and R18 may be coupled to form ring structure via single bond or divalent linking group, and * represents bonding position to adjacent carbon atom. An optical article including one or more photochromic compounds selected from group consisting of compound represented by general formula 1 and compound represented by general formula 2. In general formula 1, R1 to R8, and B1 and B2 each represent hydrogen atom or substituent, and at least either of B1 and B2 represents monovalent group represented by general formula 3; in general formula 2, R9 to R16, and B3 and B4 each represent hydrogen atom or substituent, and at least either of B3 and B4 represents monovalent group represented by general formula 3; and in general formula 3, Ar1 represents aryl group or heteroaryl group, R18 represents hydrogen atom or substituent, Ar1 and R18 may be coupled to form ring structure via single bond or divalent linking group, and * represents bonding position to adjacent carbon atom.

Classes IPC  ?

• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil
• C07D 311/94 - Composés hétérocycliques contenant des cycles à six chaînons comportant un atome d'oxygène comme unique hétéro-atome du cycle, condensés avec d'autres cycles condensés en ortho ou en péri avec des carbocycles ou avec des systèmes carbocycliques condensés avec des cycles autres que des cycles à six chaînons ou avec des systèmes cycliques contenant de tels cycles
• C07D 413/14 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes d'azote et d'oxygène comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles

Abrégé

The photochromic compound is represented by General Formula 1 . R30 and R31 each independently represent a linear or branched alkyl group having 2 or more carbon atoms, which is unsubstituted or has one or more substituents; a cyclic alkyl group having 3 or more carbon atoms which is unsubstituted or has one or more substituents; or represents a group represented by - (R100) nR101 which is unsubstituted or has one or more substituents, R100 represents an alkyleneoxy group, R101 represents an alkyl group, n represents an integer of 1 or more, a total number of carbon atoms of n alkyleneoxy groups represented by R100 and alkyl groups represented by R101 is 2 or more, R32 to R35 each independently represent a hydrogen atom or a substituent other than an electron-attracting group, and R36, R37, B7 and B8 each independently represent a hydrogen atom or a substituent. The photochromic compound is represented by General Formula 1 . R30 and R31 each independently represent a linear or branched alkyl group having 2 or more carbon atoms, which is unsubstituted or has one or more substituents; a cyclic alkyl group having 3 or more carbon atoms which is unsubstituted or has one or more substituents; or represents a group represented by - (R100) nR101 which is unsubstituted or has one or more substituents, R100 represents an alkyleneoxy group, R101 represents an alkyl group, n represents an integer of 1 or more, a total number of carbon atoms of n alkyleneoxy groups represented by R100 and alkyl groups represented by R101 is 2 or more, R32 to R35 each independently represent a hydrogen atom or a substituent other than an electron-attracting group, and R36, R37, B7 and B8 each independently represent a hydrogen atom or a substituent.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres
• C07D 311/78 - Systèmes cycliques comportant au moins trois cycles déterminants
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/02 - VerresSystèmes de verres

Abrégé

A spectacle lens can inhibit ametropia of the eyes and ensure full visibility. The spectacle lens comprises: first refraction areas and second refraction areas. Each first refraction area has a first refraction force that may be based on a prescription for correcting the ametropia of the eyes. Each second refraction area has a refraction force different from the first refraction force and may function to focus images on the positions except the retina of the eyes, to inhibit the development of the ametropia. Near the central part of the lens, the second refraction areas form a plurality of independent island-shaped areas, and the first refraction areas form the areas beyond the areas of the second refraction areas.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

2, a sign of {f(λ×1.01)−f(λ)} is inverted at least once when the wavelength λ is increased within a range of 0.45 μm≤λ≤0.65 μm.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

Provided is a photochromic compound represented by the following General Formula 1. In General Formula 1, Az represents a monovalent azine ring group which is unsubstituted or has a substituent, L represents a divalent or higher linking group, D represents a photochromic dye structure, a and c each independently represent an integer of 1 or more, b represents 0 or an integer of 1 or more; and when there are a plurality of Az's in General Formula 1, the plurality of Az's may be the same as or different from each other, and when there are a plurality of L's in General Formula 1, the plurality of L's may be the same as or different from each other.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres
• G02B 1/10 - Revêtements optiques obtenus par application sur les éléments optiques ou par traitement de la surface de ceux-ci

Abrégé

A method for producing a spectacle lens from a lens material and includes: a marking step of marking an identification mark for identifying the spectacle lens, and a processing information mark which is used to process a lens blank and includes a tray identification 2D code, a tray identification code, a shape line and a position mark by forming a hole or a groove in a convex surface of the lens material by laser; and a concave surface machining processing step of reading the processing information mark, and machining a concave surface of the lens blank based on the read processing information mark.

Classes IPC  ?

• 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 13/005 - Dispositifs de blocage, supports ou similairesDispositifs d'alignement
• B24B 13/06 - Meulage de lentilles, l'outil ou la pièce étant commandé par des supports d'informations, p. ex. des gabarits, des bandes perforées ou magnétiques
• B29D 11/00 - Fabrication d'éléments optiques, p. ex. lentilles ou prismes
• G01N 21/958 - Inspection de matériaux transparents
• G02C 7/02 - VerresSystèmes de verres
• G02C 13/00 - AssemblageRéparationNettoyage
• G06K 19/06 - Supports d'enregistrement pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques caractérisés par le genre de marque numérique, p. ex. forme, nature, code
• B29C 59/16 - Façonnage de surface, p. ex. gaufrageAppareils à cet effet par énergie ondulatoire ou rayonnement corpusculaire

Abrégé

A technology for inhibition of myopia progression adapted to the RPR of the wearer is provided. A spectacle lens and related technology are provided that include a base area that causes a beam that enters through an object-side surface to exit through an eye-side surface and converge on a retina via the eye, and a plurality of defocus areas that each contact the base area and have a characteristic whereby a beam that passes through at least a portion of the defocus area is incident on the retina as a diverging ray, and, in not less than half of the plurality of defocus areas, at least one of a defocus power and a size of each defocus area is set, so as to compensate for a change in retinal spot size due to relative peripheral refraction (RPR) that depends on an eccentricity angle of the eye of the wearer.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres

Abrégé

The present invention provides an eyeglass lens and its related techniques, the eyeglass lens including: a base region that causes a luminous flux that has entered from an object-side face to exit from an eyeball-side face, and to enter an eye and converge on a retina; and a plurality of defocus regions that are in contact with the base region and that are each configured such that a luminous flux that passes through at least a part of the corresponding defocus region enters the retina as diverging light, in which a defocus spot angle (DSA) of the luminous flux that causes a light spot having a size mainly for cones is set in a defocus region located near the center of the eyeglass lens, and a defocus spot angle (DSA) of the luminous flux that causes a light spot having a size mainly for rods is set in a defocus region located near the periphery of the eyeglass lens.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres

Abrégé

The photochromic composition contains one or more compounds represented by General Formula A, one or more compounds represented by General Formula B, and one or more compounds represented by General Formula C is provided. In General Formula A, R1 to R6, B1, and B2 each independently represent a hydrogen atom or a substituent. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent an electron-donating group. In General Formula C, R15 to R20, B5, and B6 each independently represent a hydrogen atom or a substituent, and one of R21 and R22 represents a hydrogen atom and the other represents an electron-donating group. The photochromic composition contains one or more compounds represented by General Formula A, one or more compounds represented by General Formula B, and one or more compounds represented by General Formula C is provided. In General Formula A, R1 to R6, B1, and B2 each independently represent a hydrogen atom or a substituent. In General Formula B, R7 to R12, B3, and B4 each independently represent a hydrogen atom or a substituent, and R13 and R14 each independently represent an electron-donating group. In General Formula C, R15 to R20, B5, and B6 each independently represent a hydrogen atom or a substituent, and one of R21 and R22 represents a hydrogen atom and the other represents an electron-donating group.

Classes IPC  ?

• C09K 9/02 - Substances organiques devenant sombres

Abrégé

One embodiment according to the present disclosure relates to a spectacle lens containing a compound in which the transmittance of light with a wavelength of 410 nm is 5% or less and the transmittance of light with a wavelength of 430 nm is 70% or more under the following transmittance measurement conditions. One embodiment according to the present disclosure relates to a spectacle lens containing a compound in which the transmittance of light with a wavelength of 410 nm is 5% or less and the transmittance of light with a wavelength of 430 nm is 70% or more under the following transmittance measurement conditions. transmittance measurement conditions: for a sample containing a standard resin from curing 50.28 parts by mass of a mixture of 2,5-bis(isocyanatomethyl)-bicyclo[2.2.1]heptane and 2,6-bis(isocyanatomethyl)-bicyclo[2.2.1]heptane and a mixture of 25.50 parts by mass of pentaerythritol tetrakis(3-mercaptopropionate) and 24.22 parts by mass of 1,2-bis(2-mercaptoethylthio)-3-mercaptopropane and 0.55 parts by mass of the above compound with respect to 100 parts by mass of the standard resin, the sample having a thickness of 1.6 mm at the measurement point, the transmittance of light with a wavelength of 410 nm and 430 nm is measured with a spectrophotometer.

Classes IPC  ?

• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• C08G 18/75 - Polyisocyanates ou polyisothiocyanates cycliques cycloaliphatiques
• C08G 18/76 - Polyisocyanates ou polyisothiocyanates cycliques aromatiques
• C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
• C08G 75/14 - Polysulfures
• C08K 5/3475 - Cycles à cinq chaînons condensés avec des carbocycles

Abrégé

An eyeglasses lens evaluation device includes a fixation point setting part to set a fixation point on an evaluation target space and set a line of sight passing position on eyeglasses lenses when a wearer wears the eyeglasses lenses and looks at the fixation point, an apparent position calculating part to calculate an apparent position of each of a plurality of evaluation points set on the evaluation target space in a state where the wearer wears the eyeglasses lenses and fixates the wearer's eyes on the fixation point via the line of sight passing positions, a difference calculating part to calculate, for each of the plurality of evaluation points, a difference between the apparent position and a reference position, and an evaluation index calculating part to calculate an evaluation index by taking statics of the difference for each of the plurality of evaluation points calculated by difference calculating part.

Classes IPC  ?

• G01M 11/02 - Test des propriétés optiques

Abrégé

Provided is an eyeglass lens including: a first region formed such that light transmitted therethrough is focused at a predetermined position in an eye; and a plurality of second regions formed such that light transmitted therethrough is focused at a position defocused from the predetermined position, wherein the plurality of second regions have negative spherical aberration.

Classes IPC  ?

• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

F in the distance portion; and a curvature distribution of a set β (k1β, k2β) of two principal curvatures having different sizes that is different from the curvature distribution of the set α, and in which an absolute value (|k1β−k2β) of a principal curvature difference increases in a predetermined direction, are combined.

Classes IPC  ?

• G02C 7/02 - VerresSystèmes de verres
• G02C 7/06 - VerresSystèmes de verres bifocauxVerresSystèmes de verres multifocaux

Abrégé

One embodiment according to the present disclosure relates to a spectacle lens comprising a compound represented by formula (1): One embodiment according to the present disclosure relates to a spectacle lens comprising a compound represented by formula (1):

Classes IPC  ?

• C08K 5/3475 - Cycles à cinq chaînons condensés avec des carbocycles
• C08G 75/08 - Polythioéthers à partir de thioéthers cycliques à partir de thiiranes
• C08K 5/3432 - Cycles à six chaînons
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02C 7/10 - Filtres, p. ex. pour faciliter l'adaptation des yeux à l'obscuritéLunettes de soleil

Abrégé

One embodiment according to the present disclosure relates to a spectacle lens containing a compound having a maximum absorption wavelength of 350 nm or more and 365 nm or less and a molar extinction coefficient of 20,000 l/mol·cm or more.

Classes IPC  ?

• C08K 5/3475 - Cycles à cinq chaînons condensés avec des carbocycles
• C08G 75/08 - Polythioéthers à partir de thioéthers cycliques à partir de thiiranes
• G02C 7/02 - VerresSystèmes de verres
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques