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Essilor International compagnie Generale D optique
Essilor International compagnie Generale D optique S a
Essilor International compagnie Generale D optique_20100107
Essilor International compagnie Generale D optique_20100121
Essilor International compagnie Generale D optique_20131212
Essilor International compagnie Generale D optique_20100114

Essilor International compagnie Generale D optique patents


Recent patent applications related to Essilor International compagnie Generale D optique. Essilor International compagnie Generale D optique is listed as an Agent/Assignee. Note: Essilor International compagnie Generale D optique may have other listings under different names/spellings. We're not affiliated with Essilor International compagnie Generale D optique, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Essilor International compagnie Generale D optique-related inventors


 new patent  Method for providing to an eye of a wearer a customizable ophthalmic lens and associated active system of vision

Providing to an eye a customizable ophthalmic lens comprising a transparent set of electroactive cells (24) juxtaposed to a lens surface for providing an optical phase-shift distribution function. The method includes providing (402) a reference phase-shift distribution function adapted to provide a given dioptric function DF(α, β); determining (404) the... Essilor International compagnie Generale D optique

Uv curable coating compositions for improved abrasion resistance

An ophthalmic article and methods of manufacturing the ophthalmic article are described herein. The ophthalmic article can include a first coating and a second coating. The first coating can include an abrasion resistant coating that includes flexible materials. The abrasion resistant coating can be radiation cured. The second coating can... Essilor International compagnie Generale D optique

Spectacle ophthalmic lens intended to be mounted on a spectacle frame

A spectacle ophthalmic lens mountable on a spectacle frame, the ophthalmic lens including: a fitting cross where the optical power is negative; a first zone extending in a temporal side of the fitting cross, wherein in the first zone when the ophthalmic lens is mounted on the spectacle frame, the... Essilor International compagnie Generale D optique

Ophthalmic lens with reduced warpage

Ophthalmic lens comprising an ophthalmic thermoplastic substrate and a light polarizing structure onto said substrate. The ophthalmic lens reduced warpage, in particular when submitted to mechanical, thermal and/or chemical treatment.... Essilor International compagnie Generale D optique

Method for determining a filter for an ophthalmic lens and ophthalmic lens comprising such a filter

Disclosed is a method for determining a filter for an ophthalmic lens to be placed in front of the eye of the wearer, the filter being able to improve or maintain the visual comfort and/or the visual performances of the wearer. The determination method includes: a step of measuring a... Essilor International compagnie Generale D optique

Lens holder and use

A lens holder assembly (49) and method of using the lens holder assembly (49) to mark an ophthalmic lens (3) is provided. The lens holder assembly (49) comprises a stem (61) having a central axis and a first opening (5) extending along the central axis of the body (65), a... Essilor International compagnie Generale D optique

Method implemented by computer means for calculating a lens optical system of a spectacle ophthalmic lens for a wearer

A method implemented by computer means for calculating a lens optical system of a spectacle ophthalmic lens for a wearer. The method includes providing an aberration target lens fulfilling the requirements of: a first set of aberration data of the aberration target lens, a first set of wearing parameters of... Essilor International compagnie Generale D optique

Method of mirror coating an optical article and article thereby obtained

A method and system for manufacturing an optical article is provided. The method may comprise providing at least one ophthalmic lens substrate having a surface; applying at least one conductive coating on at least a portion the ophthalmic lens substrate; and electroplating the ophthalmic lens substrate to form a plating... Essilor International compagnie Generale D optique

Compositions and methods for improving adhesion with a sputtered coating

Hard coating compositions and articles coated with said hard coating compositions are described. The coating compositions include at least a first layer as a hard coating to which is adhered a sputtered silicon containing layer, wherein the hard coating is formed with an unhydrolyzed alkoxysilane monomer cured cationically to increase... Essilor International compagnie Generale D optique

Supply device for a molding device, molding line and controlling said molding line

According to the invention, said supply device comprises: a buffer tank (10) suitable for receiving said polymerizable mixture via an inlet (101) of said buffer tank, a supply circuit (11), looped with said buffer tank, to convey the polymerizable mixture to an inlet (110) of said at least one molding... Essilor International compagnie Generale D optique

A comparing a first ophthalmic lens with a second ophthalmic lens

Disclosed is a method for comparing first and second ophthalmic lenses, including: —a first optical function providing step, during which a first optical function of a first ophthalmic lens LI is provided, the first optical function including at least a first set of values of an optical parameter Gj, the... Essilor International compagnie Generale D optique

Multifocal ophthalmic spectacle lens arranged to output a supplementary image

A multifocal ophthalmic spectacle lens (10) capable of correcting a wearer's ophthalmic vision and having a back surface (BS) and a front surface (FS), said lens comprising a light guide optical element arranged to output a supplementary image (SI) to the wearer through an exit surface (ES) of said light... Essilor International compagnie Generale D optique

Eyeglasses equipment including a joint and manufacturing such an eyeglasses equipment

Disclosed is eyeglasses equipment (1) including a frame (10), and at least one ophthalmic lens (20) mounted into the frame. The equipment includes a colored interface (30) that is placed between the frame and the lens.... Essilor International compagnie Generale D optique

Method for determining a lens design of an optical lens adapted to a wearer

A method, implemented by a computer, for determining a lens design of an optical lens adapted to a wearer, the method including: providing a wearer parameter; a lens design determining, during which the lens design of the optical lens adapted to the wearer is determined based at least on the... Essilor International compagnie Generale D optique

Multifocal lens supply system for providing to a wearer a customized progressive spectacle ophthalmic lens

A multifocal lens supply system including a multifocal lens ordering computing unit and a multifocal lens determination computing unit, for providing to a wearer a customized progressive spectacle ophthalmic lens having a customized addition Addc, wherein Addc=Addp+corr, wherein corr is a corrective value which is the output of a function... Essilor International compagnie Generale D optique

Spectacle ophthalmic lens, determining a spectacle ophthalmic lens

A spectacle ophthalmic lens having a front surface and a back surface, the spectacle ophthalmic lens including a nasal lateral zone and a temporal lateral zone, wherein the front surface includes a progressive or regressive front surface which provides at least a magnifying function in the nasal and/or the temporal... Essilor International compagnie Generale D optique

Optical lens comprising a protective removable film

The invention concerns an optical lens comprising (i) a temporary coating at least partially covering a surface of the lens, said temporary coating comprising an outermost layer mechanically degradable through friction and/or contact; (ii) a removable film having opposite first side and second sides which adhere to said outermost layer... Essilor International compagnie Generale D optique

Machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect

Disclosed is a machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect. The method includes a step (101-104) of determining a turning configuration for machining by turning the at least one surface of the ophthalmic lens, the... Essilor International compagnie Generale D optique

An optical device

An optical device including an optical substrate providing with an optical filter configured to inhibit transmission of harmful UV and/or blue light wherein the optical device is further configured to allow retinal exposure of an eye to at least one selected range of wavelengths of light in the visible spectrum... Essilor International compagnie Generale D optique

Systems and methods for measuring refractive error and ophthalmic lenses provided therefrom

Systems and methods for providing identification factors for an individual wearer. Some or all of the identification factors when within a predetermined value provide a prescription and corrective ophthalmic lenses for a selected individual wearer, the corrective ophthalmic lens having at least one correction that is to the nearest 0.20... Essilor International compagnie Generale D optique

Ophthalmic lens comprising a coating that minimizes ultraviolet reflections and the production of such a lens

The invention relates to an ophthalmic lens comprising: a substrate having a given refractive index; and a coating that minimizes ultraviolet reflections, said coating having a given refractive index and being deposited on a rear face of the substrate. According to the invention, the thickness of the ultraviolet-reflection-minimizing coating is... Essilor International compagnie Generale D optique

Method for optimizing the position of an optical lens in a lens blank

A method includes: providing lens blank data relating to the first, second and peripheral blank surfaces of the lens blank; providing optical lens data relating to the first, second and peripheral optical surfaces of the optical lens; virtually positioning the optical lens in the lens blank in a position so... Essilor International compagnie Generale D optique

Optical article comprising an antireflective coating with a low reflection both in the ultraviolet region and in the visible region

This invention relates to an ophthalmic lens with a low reflection in the ultraviolet region, comprising a transparent substrate with a front main face and a rear main face, said rear main face being coated with a multilayered antireflective coating comprising a stack of at least one layer having a... Essilor International compagnie Generale D optique

A determining a lens blank intended to be used to manufacture an optical lens

Disclosed is a method implemented by computer for determining a lens blank intended to be used for the manufacturing of a finished optical article. The method includes: —a virtual volume data determining step, during which virtual volume data are determined based at least on finished optical article data representative of... Essilor International compagnie Generale D optique

Ophthalmic lens comprising a thin antireflective coating with a very low reflection in the visible region

characterized in that wetting layer (i) is in direct contact with metal layer (ii), with the proviso that said multilayered antireflective coating does not comprise silicon nitride and wherein (ii) the metal layer has a physical thickness equal to or higher than 6 nm.... Essilor International compagnie Generale D optique

Method for reducing or preventing the degradation of an antifouling layer or an optical article

(b) a catalytic treatment in the acidic or basic vapour phase of the deposited antifouling layer.... Essilor International compagnie Generale D optique

Method for dyeing a transparent article made of a polymeric substrate with gradient tint

A method for dyeing a transparent article made of a polymeric substrate with gradient tint comprising: a) a first step of photodegrading the polymeric substrate (1) of the transparent article, by irradiation (3) of at least one first surface of the article to UV radiations to produce a gradiently photodegraded... Essilor International compagnie Generale D optique

Machine for acquiring images of optical lenses and trimming optical lenses

on the other side of the support, an image sensor (30) suitable for capturing at least two images of the optical lens illuminated by the light source, viewed from two different angles.... Essilor International compagnie Generale D optique

Anti-abrasion varnish composition for a substrate made from thermoplastic polyacrylate

The present invention relates to a polymerizable composition for the formation of a lacquer on at least one face of an ophthalmic lens made from thermoplastic material from the polyacrylate family, comprising a curable organosilicon compound, and a condensation catalyst, said composition not containing any monomer having an epoxy or... Essilor International compagnie Generale D optique

Process for physical vapor deposition of a material layer on surfaces of a plurality of substrates

The present invention relates to a process of physical vapor deposition of a material layer on surfaces of a plurality of substrates (11), wherein:—the plurality of substrates (11) are arranged on a dome (12) which rotates according to a dome rotation axis (300);—the material to be deposited is vacuum evaporated... Essilor International compagnie Generale D optique

Method of defining a guideline for trimming an optical lens

Disclosed is a method of determining a guideline for trimming an optical lens to be trimmed in view of its mounting in a spectacle frame in which is mounted at least one reference optical lens, including: removing the reference optical lens; fixing the removed reference optical lens on a support... Essilor International compagnie Generale D optique

Method for optimizing a set of optical lens blanks

Method implemented by computer means for optimizing a set of optical lens blanks to be used to manufacture a set of optical lenses, each optical lens comprising a first optical surface, a second optical surface, the first and second optical surfaces being connected by a external periphery surface, the method... Essilor International compagnie Generale D optique

A monitoring system for monitoring head mounted device wearer

A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes: —a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device, —a communication... Essilor International compagnie Generale D optique

Method of calculating an optical system of a progressive addition ophthalmic lens being arranged to output a supplementary image

A progressive ophthalmic spectacle lens (10) capable of correcting a wearer's ophthalmic vision and having a back surface (BS) and a front surface (FS), said lens comprising a light guide optical element arranged to output a supplementary image (SI) to the wearer through an exit surface (ES) of said light... Essilor International compagnie Generale D optique

Method of visual testing of an individual and associated device

A method of visual testing of an individual (10) includes the steps of: a) placing the individual at a predetermined observation distance (D1) from a display surface (21) at which the individual observes, with a natural head carriage, the display surface; b) displaying, on the display surface, a visual test... Essilor International compagnie Generale D optique

06/29/17 / #20170184879

Method for manufacturing an ophthalmic lens and said lens

In the ophthalmic lens, the wavelength at which maximum filtration is observed at the centre of the lens and the wavelength at which maximum filtration is observed at the periphery of the useful area of the lens differ by a less than 5%.... Essilor International compagnie Generale D optique

06/22/17 / #20170174934

Optical article comprising a hard coat, and production method

A sol-gel composition for acrylic polymers-based substrate including at least a silane hydrolysate and at least an adhesion promoter including a dendritic polymer having hydroxyl and alkoxysilane groups at terminal ends thereof. An optical article coated with said sol-gel composition.... Essilor International compagnie Generale D optique

06/08/17 / #20170157739

Holder for pneumatically blocking an optical lens

A holder (1) for pneumatically blocking an optical lens (300) on a surfacing machine, includes:—a gripping part (10) for fixing it to a corresponding member (200) of the surfacing machine, and - a part (100) for blocking the optical lens, which includes a body (110) from which there protrude abutments... Essilor International compagnie Generale D optique

06/08/17 / #20170158878

Antistatic coating compositions

Described is a curable composition that includes a salt comprising an alkali cation or rare earth metal ion and a counter ion which is the conjugate base of a superacid, a silicon containing binder, and an additive having a formula R1-O—[(CH2—CHR3)-O]n—R2, in which R1 and R2 represent H or an... Essilor International compagnie Generale D optique

06/08/17 / #20170160093

Navigation method based on a see-through head-mounted device

... Essilor International compagnie Generale D optique

05/18/17 / #20170136597

Method for bevelling an ophthalmic lens

A method for producing an instruction for bevelling an ophthalmic lens, with a view to mounting same in a framework of a spectacle frame into which a bevelled display lens is initially fitted. The method includes the steps of: a) acquiring a correction parameter relative to the play between the... Essilor International compagnie Generale D optique

05/04/17 / #20170121498

Composition for the manufacture of an ophthalmic lens comprising an uv-absorber and an anti-yellowing additive

The present invention relates to a thermosetting composition for the manufacture of an ophthalmic lens which efficiently absorbs ultraviolet (UV) rays without exhibiting undesirable yellowing, said composition comprising an allyl monomer or oligomer, a catalyst, a UV-absorber and a specific anti-yellowing additive. The present invention also relates to the use... Essilor International compagnie Generale D optique

04/27/17 / #20170115513

Method of determining at least one behavioural parameter

A method of determining at least one behavioral parameter of a wearer for designing an ophthalmic eyeglass lens includes: a) acquiring a first data set from a first representation of the head of the wearer in three dimensions; b) determining the relative position in space of at least three particular... Essilor International compagnie Generale D optique

04/20/17 / #20170108710

Method of modifying an dioptric function of an ophthalmic lens surface

alphai being a nonzero weighting coefficient.... Essilor International compagnie Generale D optique

04/20/17 / #20170108712

Progressive multifocal lens having an enlarged intermediate distance vision region

A progressive multifocal lens adapted to correct a user's vision and including a first major surface and a second major surface, wherein the first major surface is positioned closest to the user's eye when the progressive multifocal lens is worn by the user, the progressive multifocal lens including: a far-distance... Essilor International compagnie Generale D optique

04/20/17 / #20170109568

Method for constructing a model of the face of a person, for posture analysis using such a model

Disclosed is a method for constructing a model of a face, including: locating (L) a single plurality of characteristic points of the face, forming a corresponding plurality of specific models of the face each including the positions of the characteristic points of the face of the person at the time... Essilor International compagnie Generale D optique

04/13/17 / #20170102561

Mould and process for manufacturing an ophthalmic lens equipped with an insert

The invention relates to a mould (2) for manufacturing an ophthalmic lens or an ophthalmic lens blank called a puck (3), equipped with an insert (1), said mould comprising a first portion (2A) intended to mould the front face of the ophthalmic lens or puck, a second portion (2B) intended... Essilor International compagnie Generale D optique

04/06/17 / #20170097446

Optical lens coated with a patterned removable film and edging such a lens

An optical lens includes: (i) a temporary coating for protection against degradation at least partially covering a surface of the lens, the temporary protective coating including an outermost layer mechanically degradable through friction and/or contact, and (ii) a removable film having a first side and a second side, which adheres... Essilor International compagnie Generale D optique

04/06/17 / #20170097299

Method for determining color characteristics reflected by an interference filter, depositing such an interference filter, and assembly formed by an interference filter and an object

A method for determining color characteristics reflected by an interference filter, a method for depositing such an interference filter, and an assembly of an interference filter and an object, the method including: determining color coordinates of an object; and determining at least one color characteristic reflected by the interference filter... Essilor International compagnie Generale D optique

03/30/17 / #20170090213

Eyeglass lenses with minimized edge visibility

Eyeglass lenses have at least a portion of their edge shaped to reflect light away from an eye of a wearer, such as the edge being disposed at an acute angle with respect to a principal axis of the lens, toward the back surface of the lens. Alternatively or additionally,... Essilor International compagnie Generale D optique

03/30/17 / #20170090213

Eyeglass lenses with minimized edge visibility

Eyeglass lenses have at least a portion of their edge shaped to reflect light away from an eye of a wearer, such as the edge being disposed at an acute angle with respect to a principal axis of the lens, toward the back surface of the lens. Alternatively or additionally,... Essilor International compagnie Generale D optique

03/30/17 / #20170090220

Method of determining at least one parameter of visual behaviour of an individual

Disclosed is a method of determining at least one visual behavior parameter of an individual, including: determination of the position of the center of rotation of at least one eye of the individual in a first reference frame tied to the head of the individual; capture, with the aid of... Essilor International compagnie Generale D optique

03/16/17 / #20170075040

Optical article comprising an antireflective coating with a very low reflection in the visible and ultraviolet regions

This invention relates to an ophthalmic lens comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with a multilayered antireflective coating comprising a stack of at least one high refractive index layer (HI) having a... Essilor International compagnie Generale D optique

03/02/17 / #20170059886

Method for optimizing an optical lens equipment for a wearer

Method for optimizing an optical lens equipment for a wearer Method for optimizing an optical lens equipment for a wearer, the method comprising:—an eye tracking device providing step, during which a spectacle frame mounted eye tracking device is provided to the wearer, —a wearer parameter monitoring step, during which at... Essilor International compagnie Generale D optique

02/09/17 / #20170035289

Corrective eyeglasses and subjective refraction by a wearer of said eyeglasses

The first optical element and the second optical element are adjustable in rotation about the optical axis independently of one another.... Essilor International compagnie Generale D optique

02/02/17 / #20170027435

Phoropter, and measuring refraction using a phoroptor of said type

A refractor (100) includes: an enclosure having a front face containing a first optical window and a back face containing a second optical window aligned with the first optical window along an optical axis of observation; and at least one vision compensating device making it possible to observe along the... Essilor International compagnie Generale D optique

02/02/17 / #20170031059

Polymer composition and methods using said polymer composition to manufacture ophthalmic lens

The present invention proposes a polymer composition of manufacturing ophthalmic lens by polymerization of polymerizable composition wherein the shrinkage phenomenon is minimized. The polymerizable composition comprised two different categories of monomers which are able during crosslinking to control and limit said chemical shrinkage. The present invention comprises also ophthalmic lens... Essilor International compagnie Generale D optique

02/02/17 / #20170031179

Systems and methods for augmented reality

Methods for augmented reality, and to lenses, systems and methods for improving visual comfort of a wearer equipped with a head-mounted device configured for display of information content.... Essilor International compagnie Generale D optique

01/26/17 / #20170022597

Machine for coating an optical article with an anti-soiling coating composition and using the machine

A machine for coating an optical article with an anti-soiling coating composition, includes a vacuum chamber (8) configured to receive the optical article, a vacuum pump (20) connected to the vacuum chamber (8), a plasma generator (11) configured to carry out a vacuum plasma treatment of the optical article, an... Essilor International compagnie Generale D optique

01/26/17 / #20170023797

Optical article comprising an antireflective coating with a low reflection both in the ultraviolet region and in the visible region

This invention relates to an ophthalmic lens with a low reflection both in the ultraviolet region and in the visible region, comprising a substrate provided on its rear main face with a multilayered antireflective coating (3-7 layers) comprising a stack of at least one layer with a high refractive index... Essilor International compagnie Generale D optique

01/26/17 / #20170023798

Method and system for determining personalized near addition value, lens with such addition

A method for determining personalized near addition value for non-presbyopes, including measuring fusional amplitudes and phoria with at least one addition value, on both eyes of a person at a working distance; finding a mathematical function that predicts the change of a pair of fusional amplitudes and phoria as a... Essilor International compagnie Generale D optique

01/26/17 / #20170023799

Method for producing a customized progressive ophthalmic lens

A method for producing a customized progressive ophthalmic lens intended for a wearer having a prescription for a wearer's eye corresponding to said lens, the method comprising the following steps: a) providing an initial progressive ophthalmic lens design having a meridian line; b) providing binocular convergence data for the wearer;... Essilor International compagnie Generale D optique

01/19/17 / #20170017095

Method of calculating an optical system according to a given spectacle frame

A method of calculating an optical system (OS) of an ophthalmic lens according to a given spectacle frame, said ophthalmic lens comprising a back surface (BS) and a front surface (FS) arranged to deliver an ophthalmic vision image (VI), a light-guide optical element having a proximal surface (PS) and a... Essilor International compagnie Generale D optique

01/19/17 / #20170017104

Achromatic phase modulator and optical device

An achromatic phase modulator (300) arranged to modulate the phase of linearly polarized light and to output the linearly polarized light having undergone phase modulation, comprising: means to establish a predefined light path; a linear input polarizer (301); at least two liquid crystal elements (1, 2) disposed in series downstream... Essilor International compagnie Generale D optique

01/05/17 / #20170000399

User fatigue level analysis component

The disclosed embodiments include user fatigue level analysis components, real-time visual behavior measuring devices, and methods for determining the fatigue level of a user. In one embodiment, a user fatigue level analysis component includes a memory configured to store computer executable instructions and a processor for executing the computer executable... Essilor International compagnie Generale D optique

Patent Packs
01/05/17 / #20170002170

Liquid polymerizable composition comprising an amide or a thioamide derivative monomer and mineral nanoparticles dispersed therein, and its use to manufacture an optical article

A liquid polymerizable composition including an amide or a thioamide derivative monomer with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.... Essilor International compagnie Generale D optique

01/05/17 / #20170002206

Liquid polymerizable composition comprising an anhydride derivative monomer and mineral nanoparticles dispersed therein, and its use to manufacture an optical article

A liquid polymerizable composition including an anhydride derivative monomer with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.... Essilor International compagnie Generale D optique

01/05/17 / #20170003420

Optical article comprising a double-layer abrasion and scratch resistant coating and production thereof

In the hereabove formulas, M and M′ are metals or metalloids of valences x and y, at least equal to 4, R and R′ groups are monovalent organic groups that are bound to silicon through a carbon atom and that contain at least one epoxy function, X, X′, Z and... Essilor International compagnie Generale D optique

01/05/17 / #20170003502

Manufactured article with a nanostructured surface

The present invention concerns a manufactured article comprising at least one 1 nanostructured surface, wherein: said nanostructured surface is made of a material having a surface energy of less than 25 m J/m2, preferably less than 20 m J/m2, and comprises an array of contiguous cells defining cavities, the cavities... Essilor International compagnie Generale D optique








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