737 patents
Page 6 of 37
Utility
Ophthalmic tinted lens
9 May 23
An ophthalmic tinted lens has a visual transmission value TV for quantifying a first light intensity ratio which relates to light effective for human vision and transmitted through the lens in daylight condition, and also has a value of a chronobiological factor FC for quantifying a second light amount ratio which relates to light effective for a non-visual physiological effect and also transmitted through the lens in daylight condition.
Coralie Barrau, Montserrat Burgos, Natalia Schianchi
Filed: 11 Feb 19
Utility
Ophthalmic Device Having Adjustable Filtering Properties
4 May 23
The invention provides an ophthalmic device having adjustable filtering properties, comprising at least one first polarizer (18), at least one second polarizer (19) which is fixed relative to said first polarizer, and at least one adjustable filtering member (20) located between said first and second polarizers and configured to rotate a polarization plane of light received from said first polarizer and propagating towards said second polarizer; wherein said adjustable filtering member is configured to admit a plurality of active states, in each of which it rotates the polarization plane according to a respective and predetermined angle.
Ludovic JOUARD, Vincent ROPTIN
Filed: 17 Dec 20
Utility
System for Determining a Subjective Value of an Optical Feature of at Least a Corrective Lens Adapted to an Eye of a Subject and Associated Method
4 May 23
A system for determining a value of a magnitude associated with a subjective value of an optical feature of at least a corrective lens adapted to an eye of a subject, by implementing a subjective test where the subject is asked to describe his visual performance in a plurality of real optical conditions by choosing one descriptive answer among a set of possible descriptive answers.
Gildas MARIN, Martha HERNANDEZ-CASTANEDA, Adele LONGO, Aurelie LE CAIN
Filed: 17 Mar 21
Utility
Method of Preparing Thick Laminate Wafers for Wafer Thermoforming and Injection Molding
4 May 23
A method of forming an ophthalmic laminate lens, includes: forming a planar laminate by adhering a first polycarbonate layer to a first side of a thermoplastic elastomer layer, and adhering a second polycarbonate layer to a second side of the thermoplastic elastomer layer, the first polycarbonate layer having a thickness greater than 250 μm, the second polycarbonate layer having a thickness greater than 250 μm, and the thermoplastic elastomer layer having a thickness in a range of 15 μm to 150 μm; thermoforming the planar laminate into a curved laminate, the curve laminate having a pre-molding curvature; arranging the curved laminate in a mold; and molding, via the mold set at a predetermined temperature and a predetermined pressure, the curved laminate with a polymer melt into a curved lens.
Ahmed DRAMMEH, Eric BEGG, Zbigniew TOKARSKI, Peiqi JIANG
Filed: 25 Feb 21
Utility
Device and Process for Alerting for Eye Exam or Change of Frame or Lens
4 May 23
The present invention relates to an eyewear device comprising a system for alerting of a need of an eye examination and/or a change of frame and/or a change of lens of the eyewear device, in order to provide the best visual correction and comfort.
Ee Woon LIM, Adeline YANG
Filed: 25 Mar 21
Utility
Casting a Lens with Surface Microstructures
4 May 23
A mold element (350) is fabricated (305, 310, 315) using a first mold (5) with which microstructures (323) are integrally formed in relief on the mold element (350).
Hao-Wen CHIU, Aref JALLOULI
Filed: 14 Apr 21
Utility
Detecting and Correcting a Variation of Current Refractive Error and of Current Accommodation Amplitude of a Person
4 May 23
A method for detecting a variation of a current refractive error of a person including obtaining an optical equipment comprising an optical lens, a dioptric function of the optical lens being adapted for correcting an initial refractive error of a person, the optical equipment further comprising a processing circuit comprising a processor operably connected to a memory.
Gildas MARIN, Estelle NETTER, Guillaume GIRAUDET
Filed: 8 Feb 21
Utility
Methods and systems for determining a refraction of at least an eye of a person
2 May 23
Method for determining a refraction of at least an eye of a person under specific spectral conditions, the method including: an eye illumination step, during which the eye of the person is illuminated under the specific spectral conditions, the specific spectral conditions being provided by a polychromatic source having a spectrum which is different from the spectrum of a white light source and/or by a chromatic filter positioned before the eye of the person and illuminated by a source; and a refraction determination step during which the refraction of the eye of the person is determined under the specific spectral conditions.
Marie Dubail, Anne-Catherine Scherlen
Filed: 4 Dec 18
Utility
Method for manufacturing a three-dimensional article by an additive manufacturing technology
2 May 23
Disclosed is a method for manufacturing a three-dimensional article, including: a step of producing the article by an additive manufacturing technology, the article including at least two parts that face, at least partially, each other or that have edges facing, at least partially, each other; and a step of finishing of the article.
Ludovic Jouard, Loïc Baillon
Filed: 9 May 18
Utility
Functional laminate using water-based adhesive, method for making such laminate, and lens using such laminate
2 May 23
Disclosed are methods for preparing a laminate incorporable to a surface of an optical lens.
Peiqi Jiang, Marvin Pounders
Filed: 27 May 19
Utility
Method of ordering a new optical article, a method for launching production of a new optical article and an apparatus for ordering a new optical article
2 May 23
A method of ordering a new optical article definable based on features of an initial optical article including at least a lens, the method including the following steps: —acquiring an identifier by capturing a marking carried by the lens of the initial optical article; —sending, by an electronic device, the identifier and an order for the new optical article.
Sebastien Maurice, Daniel Ferreira, Frederic Arrouly, Stephane Auffray
Filed: 29 Aug 18
Utility
Lens Element
27 Apr 23
A lens element intended to be worn in front of an eye of a wearer having a refraction area having a refractive power based on a prescription for said eye of the wearer, an a plurality of at least two optical elements having an optical function of not focusing an image on the retina of the eye of the wearer, wherein the refraction area comprises a plurality of respectively independent island-shaped areas, the refraction area is formed as the area other than the optical elements and each refraction island shape area is within one optical element.
Eric GACOIN, Bruno FERMIGIER, Matthieu GUILLOT
Filed: 31 Mar 21
Utility
Laminate Having Microstructured Substrate and Method for Producing the Laminate
27 Apr 23
A laminate, including a substrate having a microstructure on a surface thereof; and a coating layer formed on the substrate and encapsulating the microstructure of the substrate.
Haifeng SHAN
Filed: 12 Apr 21
Utility
Method for Generating Microstructure on a Film by a Roller
27 Apr 23
The present disclosure relates to a method of designing a spherical microstructure mold (604-614) module to be incorporated into a calendering roller (600) for generating a microstructure (108) on a planar surface (104), comprising calculating a first curvature (204) on a cross-sectional planar surface (202) for a first microstructure point of the spherical microstructure mold module, calculating a second curvature (210) of a spherical surface (102) of the spherical microstructure mold module, measuring a radius (214) of the spherical surface (102), the radius (214) being from the center of the spherical surface (102) to the first microstructure point, and determining a location of the microstructure (108) on the planar surface (104), the location being derived from the first curvature (204), the second curvature (210), and the radius (214).
Haifeng SHAN
Filed: 12 Apr 21
Utility
Composition for the manufacture of an ophthalmic lens comprising an encapsulated light-absorbing additive
25 Apr 23
The present invention relates to an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said ophthalmic lens comprising a composite matrix, a catalyst, a UV absorber and at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer.
Pierre Fromentin, Tipparat Lertwattanaseri
Filed: 15 Nov 18
Utility
Optical article and method of managing optical powers thereof
25 Apr 23
An optical article may include a frame, a first active lens arrangement coupled to the frame, and a second active lens arrangement coupled to the frame.
Bjorn Drobe
Filed: 25 May 18
Utility
Predicting an Optical Equipment for a Given Person
13 Apr 23
A method for determining, for a given person, an optical equipment among a set comprising a plurality of optical equipments.
Julien ANDOCHE, Estelle NETTER
Filed: 11 Feb 21
Utility
Compound Microlens Design for Hyperopic Peripheral Defocus Reduction
13 Apr 23
A spectacle lens is disclosed that includes compound microlenses arranged in a pattern.
Zbigniew TOKARSKI, Ahmed DRAMMEH
Filed: 12 Apr 21
Utility
Ophthalmic Lens and Ophthalmic Lens Treatment Method
13 Apr 23
The present disclosure relates to an ophthalmic lens treatment method, comprising heating, in a humidified environment, a semi-finished lens (20) to a predetermined temperature, the semi-finished lens (20) containing a base lens (10) and a film structure (2) of a predetermined thickness, and surfacing the semi-finished lens (20) to a predetermined power, wherein the predetermin ed temperature is a temperature above a softening temperature of the film structure (2), the humidity of the humidified environment is between 30% and 99% and the predetermined thickness of the film structure (2) is between 200 µm and 800 pm.
Peiqi JIANG
Filed: 12 Mar 21
Utility
Server, method, and computer-readable storage medium for selecting eyewear equipment
11 Apr 23
A server includes processing circuitry configured to receive one or more images, the one or more images including one or more representations of people.
Julien Andoche, Estelle Netter
Filed: 18 Nov 19