737 patents
Page 10 of 37
Utility
Method of preparing an operation of surfacing of a lens blank
29 Nov 22
Disclosed is a method of preparing an operation of surfacing of a lens blank to transform the lens blank into a generated lens having a predetermined prism corresponding to an inclination between a front surface and a back surface of the generated lens at least locally.
Sébastien Piraube, Xavier Bultez, Jérome Moine
Filed: 11 Oct 18
Utility
Method for manufacturing an article made of a polymerized material
29 Nov 22
Disclosed is a method for manufacturing an article made of a polymerized material including the steps of: —providing a vat of polymerizable material, transparent at least in the 400-800 nanometers wavelengths range, —irradiating the polymerizable material with a laser beam according to a predetermined pattern so as to polymerize the polymerizable material in order to form the article, the predetermined pattern being determined based on a three-dimension representation of the article with the positions in three dimensions of a plurality of volume units adapted to form together the article, the laser beam scanning the vat in three dimensions in order to be focused at each position of the volume units present in the predetermined pattern so as to initiate locally the polymerization of the polymerizable material at each of these positions.
Manuel Theodet
Filed: 30 Jun 17
Utility
Systems and methods for vision testing
29 Nov 22
A vision testing device includes a light-occluding casing for administering vision tests.
David Tang, Bruno Moinard, Damien Rousseau, Andrea Molinaro
Filed: 24 Mar 17
Utility
Head Freedom Area of an Optical Lens
24 Nov 22
A device for determining a head freedom area of an optical lens adapted for a wearer looking at a specific point in a scene through the optical lens comprises at least one input adapted to obtain optical lens data representing the optical features of an optical lens, to obtain wearing data and fitting data representative of the wearing conditions and fitting parameters of the optical lens, and to obtain a specific threshold value for an optical performance criterion; and at least one processor configured for determining the head freedom area that corresponds to the head positions of the wearer that provide optical performances greater than or equal to the specific threshold value when the wearer is wearing the optical lens in given wearing conditions upon given fitting parameters and looking at the specific point in the scene through the optical lens.
Isabelle POULAIN, Guillaume GIRAUDET, Laurent CALIXTE, Alain GOULET, Sébastien FRICKER
Filed: 25 Jun 20
Utility
2K Pu-dual Cure Adhesive for Lamination
24 Nov 22
Disclosed herein are a two-component polyurethane adhesive and a dual cure polyurethane-based adhesive for use in laminated films.
Ronald A. BERZON
Filed: 17 Sep 20
Utility
Optical Element Positioning and Blocking Device and Method Related to the Device
24 Nov 22
A blocking device for positioning and blocking an optical element to an insert at a given position, including an insert having a surface intended to be blocked against a face of the optical element with a glue material, the insert being positioned in respect with a blocking station; at least three pins to support the optical element at the given position, wherein the height of the extremity of each pin is adjustable independently of each other, the extremities being configured to position the optical element at the given position; and a locking device to hold the position of the optical element at the given position while the glue material is solidifying, the locking device including a lock associated with each pin.
Sébastien PINAULT, Luc MARTIN, Caroline HO, Xavier BULTEZ, Jerome MOINE
Filed: 24 Sep 20
Utility
Method and System for Determining a Prescription for an Eye of a Person
24 Nov 22
Disclosed is an eyewear including: a frame headwear configured to be worn by a user, the frame headwear including a front part, and at least one lens holder, each lens holder being configured to be removably fastened to the frame headwear in a predetermined mounted position and each lens holder including an associated pair of ophthalmic lenses attached to the lens holder, each lens of the associated pair of ophthalmic lenses being configured to be movable relative to the lens holder while being attached to the lens holder.
Mathieu LE GALL, Thibaut FREZAL, Damien FRARIER, Jean-Luc PERRIN, Thierry BONNIN, Ludovic JOUARD, Lucie ERNOULT
Filed: 4 Dec 20
Utility
Polycarbonate resin compositions with consistent color and stable blue-cut performance
22 Nov 22
Embodiments of the disclosure relate to a series of PC resin additives for maintaining the color stability and blue-cut performance during injection molding.
Hao Wen Chiu, Elliot French, Aref Jallouli, Haifeng Shan
Filed: 20 Sep 17
Utility
Method and System for Determining a Prescription for an Eye of a Person
17 Nov 22
A system for determining a prescription for an eye of a person, the system being configured to communicate with a mobile device including at least one first light source adapted to illuminate the eye with first light having a first optical wavelength, at least one second light source adapted to illuminate the eye with second light having a second optical wavelength different from the first wavelength, and a processor that measures the photorefraction of the eye at the first wavelength based on at least one picture of the eye recorded when illuminating the eye with first light, measures the photorefraction of the eye at the second wavelength based on at least one picture of the eye recorded when illuminating the eye with second light, determines the prescription for the eye based on the measured photorefraction at the first wavelength and the measured photorefraction at the second wavelength.
Hélène DE ROSSI, Marius PELOUX, Stéphane BOUTINON
Filed: 22 Oct 20
Utility
Method for Determining an Ophthalmic Component
17 Nov 22
Method for determining an ophthalmic equipment which is adapted to the characteristics of at least a given wearer, the method being implemented by a processor, the method comprising: —providing access to digital content of the wearer (S100), —analyzing the digital content of the wearer so as to extract wearer data (S200), —processing the wearer data so as to obtain a set of characteristics (S300), the set of characteristics comprising at least one category and at least one associated score, and —determining at least one component of an ophthalmic equipment based on the obtained set of characteristics (S400).
Paul GIL, Jean SAHLER, Aurélie LE CAIN, Bruno AMIR
Filed: 18 Jul 19
Utility
Ophthalmic Lens, Method of Manufacturing Thereof, and Eyewear Comprising the Ophthalmic Lens
17 Nov 22
An ophthalmic lens is provided.
Sunil BHANGALE, Kevin FITZGERALD, Ker Chin ANG
Filed: 18 Sep 20
Utility
Method and system for determining an optical system intended to equip a person on the basis of the adaptability of the person to a visual and/or proprioceptive modification of his/her environment
15 Nov 22
A method for determining an optical system intended to equip a person on the basis of the adaptability of the person to a visual and/or proprioceptive modification of his environment, the method. including a person visual behaviour parameter providing, during which a person visual behaviour parameter indicative of the visual behaviour of the person relative to a given state of the environment is provided; a reference value providing, during which a first value of the person visual behaviour pa ameter corresponding to a reference state of the environment is provided; a visual and/or proprioceptive modification providing, during which a visual and/or proprioceptive modification of the reference state of the environment is provided so as to define a modified state of the environment; and determining, during which an optical parameter of the optical system is determined based on the first value of the person visual behaviour parameter and on a second value of the person visual behaviour parameter associated with the modified state of the environment.
Guillaume Giraudet, Jocelyn Faubert, Rafael Doti, Eduardo Lugo
Filed: 30 Aug 18
Utility
Optical System
10 Nov 22
An optical system intended to be worn in front of an eye of a wearer including an optical lens having at least a control point and an optical device that has a plurality of optical elements, the optical device being attached on a surface of the optical lens or encapsulated into the optical lens, wherein each optical element has simultaneously two different optical functions, and the optical device and the optical lens are configured so that the absolute value of the difference between a measured optical power at the control point of the optical system and the optical power corresponding to the prescription for said eye of the person is smaller than or equal to 0.12 diopter.
Matthieu GUILLOT, Bruno FERMIGIER, Marius PELOUX, Gilles LE SAUX
Filed: 3 Jul 20
Utility
Article with a Hydrophilic Surface Coated with a Temporary Super-Hydrophobic Film and Process for Obtaining Same
3 Nov 22
The present invention relates to an article having a surface coated with a nanostructured temporary super-hydrophobic film having a static contact angle with water of at least 140°, and comprising nanoparticles functionalized with a hydrophobic agent, wherein the functionalization of the nanoparticles with the hydrophobic agent has been performed before said nanostructured temporary super-hydrophobic film is coated on said surface.
Mathieu FEUILLADE, Camille MERIDIANO, Isabelle BONNET, David PORTET, Olivier FAVRAT
Filed: 5 Oct 20
Utility
Method for Determining a Filter for a Transparent Support Based on a Determined Individual Light Sensitivity
3 Nov 22
The invention provides a method for determining at least one filter for a transparent support, the method comprising the following steps: —determining a quantity representative of a light sensitivity threshold of the user; —determining, for each light environment among a group of light environments, an index representative of the level of protection required by the user; —determining a score for each light environment among the group of light environments (40) and for each filter among a group of filters, said score being representative of the capacity of the filter to reach the level of protection required by the user, determining at least one filter among the group of filters based on the scores of said at least one filter in a plurality of light environments (40) among the group of light environments.
Anne-Catherine SCHERLEN, Camille EHRISMANN, Sarah MARIE
Filed: 17 Jun 20
Utility
Lens supply system and related methods
1 Nov 22
The supply systems for providing spectacle ophthalmic lenses have improved efficacy, in particular with respect to lens blank picking performance and/or lens manufacturing performance.
Vincent Godot
Filed: 6 Jan 20
Utility
Method for manufacturing an ophthalmic article
1 Nov 22
Disclosed is a method for manufacturing an ophthalmic article including a substrate and a functional wafer securely fastened to a first curved face of the substrate, the manufacturing method including the steps of providing the functional wafer preformed according to a first desired shape, the preformed functional wafer having a first preformed face intended to be applied on the first curved face of the substrate, the first preformed face being defined by first geometrical characteristics; determining second geometrical characteristics of the first curved face of the substrate to be manufactured according to the first geometrical characteristics of the first preformed face of the preformed functional wafer; manufacturing the first curved face according to the second geometrical characteristics determined; fixing the preformed functional wafer to the manufactured substrate by applying the first preformed face on the first curved face in order to form the ophthalmic lens.
Céline Lechat, Julien Hubert
Filed: 27 Oct 17
Utility
Ophthalmic Lens Having a Holographic Mirror on a Low-birefringence Base Lens
27 Oct 22
An ophthalmic lens and a method of manufacturing the ophthalmic lens, the ophthalmic lens including a base lens that includes at least a layer of low-birefringence material and at least one holographic component recorded on a surface of the layer of low-birefringence material, and an auxiliary lens assembled to the base lens.
Aude BOUCHIER, Samuel ARCHAMBEAU, Jean-Paul CANO
Filed: 19 Jun 20
Utility
Optical Element Blocking Method and Related Device
27 Oct 22
A method for blocking an optical element on an insert of a blocking device including: providing the insert of the blocking device, the insert being blocked in respect with the blocking device; providing thermoplastic material in a solid state in a first particulate form, the provided thermoplastic material having a feature included in an operating range; heating at least a part of the provided thermoplastic material at a temperature at which the thermoplastic material is in a melted state and flows under moderate pressure; providing on the insert an amount of the heated thermoplastic material for blocking one optical element; placing the optical element onto the thermoplastic material in the melted state; allowing the thermoplastic material to solidify, thereby blocking the optical element on the insert; converting the solidified thermoplastic material into a second particulate form, the converted thermoplastic material being intended to block another optical element.
Sébastien PINAULT, Luc MARTIN, Caroline HO
Filed: 24 Sep 20
Utility
Method and Apparatus for Load Balancing Manufacturing Execution Among Optical Laboratories
27 Oct 22
A method and apparatus are provided for optical manufacturing laboratories (OMLs) obtaining a plurality of performance indictors (PIs).
Michael A. FILIPOVICH
Filed: 29 Sep 20