737 patents
Utility
Radiation-Curable Hard Coating Composition
18 Jan 24
The UV-curable coating compositions disclosed herein are provided for use as coatings for plastic (organic glass) substrates, and ophthalmic lenses, in particular.
Robert Valeri
Filed: 21 Sep 23
Utility
Variable Transmission Color Enhancing Lens
18 Jan 24
A light filtering element, includes: at least one layer, including a first narrowband dye, the first narrowband dye including a first narrowband dye peak absorbance wavelength with a first narrowband dye bandwidth and a first narrowband dye absorbance area ratio; and a first broadband dye, the first broadband dye including a first broadband dye peak absorbance wavelength with a first broadband dye bandwidth and a first broadband dye absorbance area ratio, wherein the first narrowband dye is a photochromic dye or a fixed tint dye, and the first broadband dye is a photochromic dye or a fixed tint dye.
Elliot FRENCH, Srinivasan BALASUBRAMANIAN, Hao-Wen CHIU
Filed: 17 Sep 21
Utility
Method for determining a filter for a transparent support based on a determined individual light sensitivity
16 Jan 24
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
Method for Manufacturing a Lens Element Adapted for Correcting an Abnormal Refraction of an Eye of a Wearer
11 Jan 24
Disclosed is a method for manufacturing a lens element intended to be worn in front of an eye of a person, the lens element including two opposite optical faces and a plurality of optical elements each having an optical function of not focusing an image on the retina of the eye of the person so as to slow down the progression of the abnormal refraction of the eye.
Eric GACOIN
Filed: 29 Jul 21
Utility
Optical article having directional micro- or nanostructured thin film coating, and its process
9 Jan 24
An optical article includes a substrate with front and rear main faces, one main face coated with a columnar micro- or nano-structured coating.
William Trottier-Lapointe, Bruce Faure, Bill Baloukas, Richard Vernhes, Oleg Zabeida, Ludvik Martinu, Sasha Woodward, Nicolas Desjardins-Lecavalier, Julien Gagnon
Filed: 13 Jun 19
Utility
Lens Element
4 Jan 24
A lens element intended to be worn in front of an eye of a wearer, the lens element including at least two first areas having a refractive power based on a prescription of the wearer for said eye of the wearer, a plurality of second areas having at least a second optical function in specific wearing conditions, where one can determine at least one first radial path crossing at least a first second area in a first point and a second point, the first and second points being adjacent to the at least two first areas, the first radial coordinate being greater than the second radial coordinate, and the radial optical power at the first point is significantly different from the radial optical power at the second point.
Matthieu GUILLOT, Bruno FERMIGIER, Carlos REGO, Eric GACOIN
Filed: 26 Nov 21
Utility
Method and system for characterizing the visual system of a subject
2 Jan 24
The invention relates to a method for characterizing a visual system of a subject using measures of the sensitivity to contrast, the visual system comprising visual signal processing elements each having an impact on the sensitivity to contrast, wherein a visual test where visual patterns having different spatiotemporal frequencies and with varying luminance levels and with varying levels of visual degradation of the visual patterns are shown to a subject to measure the sensitivity to contrast of said subject, is performed, wherein a predetermined response model of a visual system is preestablished on the basis of a determination of the visual signal processing element that predominantly limits the sensitivity to contrast for each value of luminance and spatiotemporal frequency, said predetermined response model relating the visual signal processing elements predominantly limiting the sensitivity to contrast to the luminances and to the spatiotemporal frequencies, wherein at least one of the visual signal processing elements is selected in order to be investigated, wherein at least one visual test is performed on the visual system of the subject, said visual test being optimized according to said at least one selected visual signal processing element, during the optimized visual test, the variations of the luminance levels and of spatiotemporal frequencies being limited within a range of luminance and a range of spatiotemporal frequency where the predetermined response model locates the visual signal processing element as predominant in limiting the sensitivity to contrast.
Rémy Allard, Daphné Silvestre
Filed: 28 Mar 19
Utility
Optometry Device for Testing an Individual's Eye, Set of Pictures for Said Device and Display Unit of Such Set of Pictures
21 Dec 23
An optometry device for testing an individual's eye, including a refraction test unit having a vision correction optical system for providing different vision correction power values, and a display unit comprising a control unit controlling a projection optical system adapted to produce from a scene picture and from a visual test picture including a functional zone, respectively, along a scene optical path of the projection optical system, a scene image at a scene distance from the individual's eye, and along a visual test optical path of the projection optical system, a visual test image at a visual test distance from the individual's eye smaller than or equal to the scene distance of projection, the visual test image being superimposed at least partially with the scene image.
Mathilde SEBAG, Adèle LONGO, Juliette PAPIN, Mechtilde NOUVELLON
Filed: 21 Oct 21
Utility
Ophthalmic Lens
21 Dec 23
A method for determining a progression length of an ophthalmic lens, the method including providing an addition value Add, providing a model, the model linking an addition value Add with a progression length, and based on the model and on the provided addition value, determining the progression length.
Olivier ROUSSEL, Carlos REGO, Alain GOULET, Mélanie HESLOUIS
Filed: 22 Nov 21
Utility
System and Method for Determining an Appropriate Moment for Modifying or Changing an Initial Myopia Control Solution
21 Dec 23
A system for determining an appropriate moment for modifying or changing an initial myopia control solution used by a myopic subject at an initial time having a database of available myopia control solutions and data relative to the evolution of the efficacy of each myopia control solution with criterion including determining the value of said criterion at an ulterior time, determining, based on this value, the efficacy of this initial myopia control solution and the efficacy of other myopia control solutions of said database at this ulterior time, comparing the efficacy of said initial myopia control solution and the efficacy of other myopia control solutions of said database determined for said ulterior time, and when the efficacy of said initial myopia control solution is lower than the efficacy of at least one of said other myopia control solutions at said ulterior time, determining appropriate moment depending on said ulterior time.
Yin Zhen Janice TOH, Damien PAILLE, Gilles GARCIN
Filed: 15 Dec 21
Utility
Optical Articles Comprising Encapsulated Microlenses and Methods of Making the Same
7 Dec 23
The present disclosure includes optical articles comprising a lens having first and second lens surfaces and a protective layer having first and second protective surfaces that is coupled to the lens such that the first protective surface is disposed on the second lens surface.
Matthieu GUILLOT, Mathieu MEYNEN, Hao-Wen CHIU, Christophe PLESSIS, Jeanne MARCHAL, Bjorn DROBE
Filed: 17 Aug 23
Utility
Method and Apparatus for Detecting Optical Device Mis-adaptation
7 Dec 23
An apparatus for detecting mis-adaptation of an optical device to a wearer includes processing circuitry configured to receive and store over time head data relative to the head of the wearer when wearing and using the optical device, process the head data based on head data patterns associated with known mis-adaptation of an optical device to the wearer of said optical device, and detect mis-adaptation of the optical device to the wearer by matching the received and stored head data with head data patterns associated with mis-adaptation.
Aurélie LE CAIN, Konogan BARANTON, Sébastien FRICKER
Filed: 30 Aug 21
Utility
Methods, apparatuses, and systems for edge sealing laminate wafers containing a soft deformable inner film
5 Dec 23
The present disclosure includes systems, apparatuses, and methods for an optical system.
Zbigniew Tokarski, Eric Begg, Ahmed Drammeh, Hao-Wen Chiu
Filed: 14 Dec 20
Utility
Systems and methods to process eyewear orders
5 Dec 23
The disclosed embodiments include systems and methods to process an eyewear order.
Michael Filipovich
Filed: 30 Mar 18
Utility
an Optical Lens with a Continuous Scattering Area
30 Nov 23
Disclosed is an optical lens including at least one continuous scattering area having a characteristic dimension d greater than or equal to 2 mm.
Montserrat BURGOS, Eric GACOIN, Aref JALLOULI, Philippe VANEECKHOUTTE, Hao-Wen CHIU, Matthieu GUILLOT
Filed: 8 Oct 21
Utility
Wearable binocular optoelectronic device for measuring light sensitivity threshold of a user
28 Nov 23
Disclosed is a binocular optoelectronic device wearable by a user for measuring a light sensitivity threshold of the user, including: a diffuser configured to face eyes of the user; at least one light source for emitting light toward the diffuser.
Stéphane Perrot, Amandine Debieuvre, Sylvain Chene, Florian Caleff, Loïc Baillon, Anne-Catherine Scherlen, Sarah Marie, Susana Montecelo
Filed: 13 Feb 19
Utility
Device and Method for Assessing Discomfort And/or Disability Glare of a Subject
23 Nov 23
The invention relates to a device (10) for assessing discomfort glare and/or disability glare of a subject, comprising: —at least one neuro-sensor (11) for detecting a neural signal linked to the sensitivity of the eyes of the subject, —a control unit (15) adapted to a) record the neural signal of the subject detected by the neuro-sensor while at least one eye of the subject receives a given light condition, b) provide a threshold neural signal that is characteristic of a shift for the subject from no-glare state to discomfort glare and/or disability glare, c) assess whether the neural signal recorded in step a) correlates with a discomfort glare and/or disability glare of the subject by comparing said neural signal recorded in step a) to said threshold neural signal provided in step b).
Guillaume GIRAUDET, Elisa TARTAGLIA, Anne-Catherine SCHERLEN, Stéphane PERROT, Marie DUBAIL
Filed: 16 Sep 21
Utility
Crosslinked Gel Formulation
23 Nov 23
A gel medium containing at least one non-aqueous solvent and a crosslinked polymer resulting from the reaction of a polyfunctional polymer containing at least two carboxyl moieties capable of undergoing crosslinking reactions, the polyfunctional polymer having a molecular weight from 2,000 g/mol to 3,000,000 g/mol, and a crosslinking agent chosen from a polycarbodiimide or a polyaziridine.
Samuel ARCHAMBEAU, Claudine BIVER, Jean-Paul CANO, Marion MECA, Marion HARRIBEY
Filed: 11 Oct 21
Utility
Transmission Optical System with Limited Ghost Image Visibility, System and Method for Evaluating Ghost Image Visibility of a Transmission Optical System
23 Nov 23
According to the invention, a first coating and a second coating are configured so that the optical system has a colorimetric parameter of evaluation of ghost image visibility lower than a predetermined threshold, said colorimetric parameter of evaluation being based on total ghost image transmission coefficient of at least one ghost image formed by internal reflection of a light beam from a light source between at least the first surface and the second surface and by transmission through the optical system, the total ghost image transmission coefficient being integrated over a visible spectral band and depending on a spectrum of the light source.
Justine REDON, Hélène MAURY, Mamonjy CADET, Nicolas MAITRE
Filed: 21 Oct 21
Utility
Lens Element Comprising an Activable Optical Element
23 Nov 23
A lens element intended to be worn in front of an eye of a wearer having a first optical function, and comprising at least one activable optical element, wherein in a first state the at least one activable optical element contributes with the rest of the lens to focus the image of an object at distance on the retina of the wearer, and in a second state the at least one activable optical element has a second optical function of scattering light so as to slow down the progression of the abnormal refraction of the eye.
Claudine BIVER, Samuel ARCHAMBEAU
Filed: 8 Sep 21