| ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE) Patent applications |
| Patent application number | Title | Published |
|---|
| 20160139428 | Method For Optimizing A Measured Contour Of A Spectacle Frame - Method implemented by computer means for optimizing a measured contour of an opening of a spectacle frame, the method comprising: a contour data providing step, a working contour defining step, during which a working contour of the spectacle frame is defined, a first contour cost function providing step, during which a first contour cost function function of the mth derivative of the curve of the contour is provided, a set of contour cost functions providing step, during which a set of contour cost functions is provided, a global contour cost function evaluation step during which a global contour cost function is evaluated, a contour modifying step, during which the working contour is modified, wherein the global contour cost function evaluation and contour modifying steps are repeated so as to minimize the global contour cost function. | 05-19-2016 |
| 20160139304 | Item Coated with a Silicon/Organic Layer Improving the Performances of an Outer Coating - The invention concerns an item comprising a substrate having at least one main surface coated with a layer A in direct contact with a hydrophobic outer layer B, characterised in that said layer A has been obtained by depositing, under ion beam, activated species from at least one compound C, in gas form, containing, in the structure of same: at least one carbon atom, at least one hydrogen atom, at least one Si—X group, in which X is a hydroxy group or a hydrolysable group chosen from the H, halogen, alkoxy, aryloxy and acyloxy groups, —NR | 05-19-2016 |
| 20160135678 | Method For Determining Wave-Front Aberration Data Of A To-Be-Tested Optical System - A method for determining wave-front aberration data of a to-be-tested optical system comprising the steps of: a) providing a wave-front sensing image of light received from the tested optical system; b) providing a model representative of the optical system with at least an optical parameter representative of said model; and c) optimizing a set of wave-front coefficient data and said at least optical parameter of said model according to a merit function calculating the merit function comprises the steps of generating a wave-front sensing modeled image of light received from said model by the at least optical parameter and the set of wave-front coefficient data, and calculating a criteria based on shape parameter data of the wave-front sensing image and shape parameter data of the wave-front sensing modeled image, so as to obtain wave-front aberration data of the tested optical system. | 05-19-2016 |
| 20160124122 | Optical Article Comprising an Acrylic Substrate Coated with a Specific Hard-Coat - This invention is related to an optical article, such as an ophthalmic lens, comprising a an acrylic substrate (1) coated with a specific hard-coat (2) formed from a composition comprising a hydrolyzed alkoxysilane, a colloidal metal oxide and a poly-glyceryl ether. | 05-05-2016 |
| 20160077241 | Tinting Enhancers for Hard Coat Tinting - The invention pertains to a tintable hard coat composition for forming a film on an optical article, the composition comprising at least one tinting enhancer, and at least two polymerizable monomers, a first monomer being an hydrolysat of an alkoxysilane comprising at least two alkoxy groups and one epoxy group, and a second monomer having at least two functional groups reacting with the first monomer, at least one of the two monomers having three functional groups of the same kind; the tinting enhancer being preferably chosen from the group consisting of 4-(methyl mercapto) phenol, 4,4′ thiodiphenol,4,4′-Sulfonyldiphenol, and 3,3′-(Ethylenedioxy)diphenol or a mix thereof: Formulas (I), (II), (III), (IV). | 03-17-2016 |
| 20150360247 | MACHINE FOR COATING AN OPTICAL ARTICLE WITH A PREDETERMINED COATING COMPOSITION AND METHOD FOR USING THE MACHINE - The machine for coating an optical article with a predetermined coating composition, includes a vacuum chamber ( | 12-17-2015 |
| 20150355387 | Composition for Transparent Antistatic Coating - The present invention relates to a curable composition providing upon curing a transparent antistatic coating comprising a silica organosol, a salt comprising an alkali cation and a Bronsted acid. The invention further relates to optical articles comprising a substrate at least partially coated with a transparent antistatic coating formed by depositing onto substrate and curing the above curable composition. The obtained optical articles exhibit enhanced antistatic properties, high optical transparency, low haze and good mechanical properties, in particular a good abrasion resistance. | 12-10-2015 |
| 20150338682 | Ophthalmic Lens Having At Least A Stable Zone - Ophthalmic lens having a first surface comprising a zone of optical interest, the zone of optical interest comprising at least: a far vision control point (FV), a near vision control point (NV), a main line (M) starting from one end of the zone of optical interest, ending on the opposite end of the zone of optical interest and passing through the far and near vision control points, wherein the main line (M) comprises at one end a first section (S | 11-26-2015 |
| 20150331259 | Film Laminated Ophthalmic Lenses with Improved Wheel Edging Performance - A laminated optical lens having an edging-optimized laminar configuration and method for manufacturing same. The laminated optical lens includes an optical base lens and a film layered structure including an external film furthest from said lens. An adhesive layered structure is placed between the film layered structure and the optical base lens so as to permanently retain the film layered structure on the surface of the optical base lens. The laminated lens is manufactured by laminating a film layered structure having an external film to an optical base element with an adhesive layered structure. The external film has a thickness of at least 100 μιπ, and preferably a thickness in the range of 150 microns to 300 microns inclusive. The adhesive layered structure has a thickness in the range of 5 microns to 100 microns inclusive, and preferably of 25 microns to 50 microns inclusive | 11-19-2015 |
| 20150331152 | Method for the Production of an Optical Article with Improved Anti-Fouling Properties - The present invention is dedicated to a method for the manufacture of an optical article comprising the following steps: providing a substrate having two main faces and bearing —OH functions on at least one of its faces, successively exposing one face of the substrate bearing —OH functions to at least 2 distinct materials named M1 and M2, M1 having a weight average molecular weight higher than M2, in a vacuum chamber under conditions resulting in the deposit of those materials on the surface of the substrate, and wherein: M1 is a substituted silane comprising: at least one function X1 bonded to a silicon atom, wherein the Si—X1 group is capable of forming a covalent bond with a —OH group of the substrate and/or a covalent bond with M2, and at least one fluorine containing group, M2 is a substituted silane having a number average molecular weight inferior or equal to 900 g/mol, comprising: at least one function X2 bonded to a silicon atom, wherein the Si—X2 group is capable of forming a covalent bond with a —OH group of the substrate and/or a covalent bond with M1, and at least one hydrophobic and/or oleophobic group, or at least one hydrophilic group, wherein the difference between the weight average molecular weight of M1 and the weight average molecular weight of M2 is higher than or equal to 600 g/mol. | 11-19-2015 |
| 20150328613 | Method for Producing Zirconia Colloids - The present invention pertains to a method for producing a colloidal suspension of zirconia particles, comprising the following successive steps: a) subjecting a mixture of zirconium oxychloride and an alkali metal halide in an aqueous solvent to hydrothermal treatment at a temperature above 150° C., so as to obtain a suspension in the form of a two-phase mixture comprising a slurry and a supernatant, b) without first peptizing it, desalting said suspension so as to form a colloidal suspension of zirconia. | 11-19-2015 |
| 20150309338 | METHOD OF DETERMINING AN OPHTHALMIC LENS - The invention relates to a method of determining an ophthalmic lens for a wearer's eye, the method comprising the following steps: measurement, on the wearer in binocular vision, of the three-dimensional coordinates of the centre of rotation (COR) of the wearer's eye; measurement ( | 10-29-2015 |
| 20150277152 | OPTICAL ARTICLE COMPRISING A PRECURSOR COATING OF AN ANTI-FOG COATING AND A TEMPORARY LAYER MADE OF METAL FLUORIDES OR COMPOUNDS INCLUDING MAGNESIUM AND OXYGEN - Disclosed is an optical article, preferably an ophthalmic lens, including a substrate having at least one main surface and a precursor coating of an anti-fog coating, the precursor coating in direct contact with either the main surface of the substrate, or with a first coating, when the main surface of the substrate is coated with a first coating, the precursor coating being formed by a deposition of at least one hydrophilic compound A on the substrate or on the first coating, including an inner portion in which the compound A is grafted on the substrate or on the first coating, and an outer portion that can be removed by washing and/or wiping, resulting from the deposition of the compound A, and being coated with a temporary layer, in direct contact with the compound, including at least one compound selected from the metal fluorides and the compounds including magnesium and oxygen. | 10-01-2015 |
| 20150277143 | METHOD FOR PRINTING AN INK JET MARKING ON A SURFACE - Disclosed is a method for printing an ink jet marking on a non-wetting surface for liquid ink, including the following steps: Depositing a first layer of ink at a first speed to provide adhesion, Depositing a second layer at a second speed in order to make the marking visible. | 10-01-2015 |
| 20150273646 | METHOD FOR MANUFACTURING OPHTHALMIC LENSES BY MACHINING - A method for manufacturing an ophthalmic lens by machining, includes the steps of providing and mounting a blank on a first supporting device having a first machining reference frame in a first position in which a lower surface of the blank is opposite the first device; machining, in the first position in the first reference frame, an upper surface of the blank, machining in a second predetermined machining reference frame which is known relative to the first at least one mechanical referencing element on the blank, and providing a second supporting device including at least one complementary mechanical referencing element configured such as to engage with the at least one mechanical referencing element so that the latter is positioned and supported on the second device in a second predetermined position. | 10-01-2015 |
| 20150261008 | FRESNEL LENS AND OPTICAL DEVICE - A refractive Fresnel lens used for an optical system including an image plane, which includes a plurality of zone lens surfaces disposed concentrically and a plurality of side wall surfaces each formed between adjacent zone lens surfaces, is characterized in that the side wall surfaces are modulated so as to spatially spread in the image plane noise light due to reflection and/or refraction at the side wall surfaces. | 09-17-2015 |
| 20150248020 | METHOD FOR ADAPTING THE OPTICAL FUNCTION OF AN ADAPTIVE OPHTHALMIC LENSES SYSTEM - Methods for adapting the optical function of an adaptive ophthalmic lenses system are provided. Said methods comprise an adaptive ophthalmic lenses system providing step during which an adaptive ophthalmic lenses system is provided. An acquisition step during which the scene in front of the wearer is acquired may be provided. A gazing zone determining step during which a gazing zone is determined may be included, the gazing zone being a zone of images of the scene acquired comprising the gazing direction of the wearer. A parameter determining step during which the value of at least one parameter of the images of the scene is determined may be provided. An adaptation step may be included during which the optical function of active ophthalmic lenses are adapted according to the value of the at least one parameter determined during the parameter determining step. | 09-03-2015 |
| 20150241714 | METHOD FOR MANUFACTURING AN OPHTHALMIC LENS - The invention relates to a method for manufacturing an ophthalmic lens ( | 08-27-2015 |
| 20150219924 | METHODS FOR DETERMINING A PROGRESSIVE OPHTHALMIC LENS - A method for determining a progressive ophthalmic lens comprising a near and a far vision area, a main meridian separating the lens into a nasal and a temporal area, the method comprising: determining a first and a second surface of the lens; determining the second surface to provide, in combination with the first surface, the vision correcting properties; determining a spherical area on the first surface of the lens having a constant sphere value and including a far vision diopter measurement position, wherein the far and a near vision diopter measurement position have substantially the same mean sphere value; and determining the first surface to reduce the lens distortion by defining a toric area extending outside the spherical area on the first surface in at least one of the nasal and the temporal area, wherein characteristics of the toric area are related to the lens astigmatism. | 08-06-2015 |
| 20150140905 | METHOD FOR CUTTING-OUT A MULTI-LAYER OPHTHALMIC LENS - A method for cutting-out a multi-layer ophthalmic lens ( | 05-21-2015 |
| 20150109578 | DEVICE AND METHOD FOR DETERMINING AT LEAST ONE OBJECTIVE EYE REFRACTION PARAMETER OF A SUBJECT DEPENDING ON A PLURALITY OF GAZE DIRECTIONS - Device and method for determining an objective eye refraction parameter of a subject depending on a plurality of gaze directions, the device includes elements for ophthalmologically measuring an objective eye refraction parameter of a subject, and elements of visual stimulation of variable proximity and intended to stimulate the visual accommodation of the subject for first and second proximity values. The device includes opto-mechanical alignment elements for carrying out a first optical alignment of the optical axis of measurement on an eye axis in a first measuring position corresponding to a first angle of lowered viewing associated with a first proximity value to take a first measurement of an objective eye refraction parameter of the subject, and a second alignment of the optical axis of measurement on the eye axis in another measuring position corresponding to another angle of lowered viewing associated with another proximity value to take a second measurement. | 04-23-2015 |
| 20150109577 | METHOD FOR DETERMINING AT LEAST ONE HEAD POSTURE CHARACTERISTIC OF A PERSON WEARING SPECTACLES - A method for determining at least one characteristic relating to the posture of the head ( | 04-23-2015 |
| 20150098058 | OPHTHALMIC LENS - An ophthalmic lens having a main front face and a main rear face includes: an element for cutting off ultraviolet (UV) light incident on the main front face of the ophthalmic lens; an anti-reflection coating on the main rear face of the ophthalmic lens, having a weighted average reflection factor in the UV region of less than or equal to 7%; and at least one element for at least partially blocking the blue light in the wavelength region from 400 to 460 nanometers, preferably from 420 to 450 nanometers. | 04-09-2015 |
| 20150062704 | Optical Article Comprising a Precursor Coating for An Antifogging Coating and a Temporary Layer Rendering Same Suitable for Edging - The present invention concerns an optical article comprising a substrate, at least one of the main surfaces of which is coated with a first coating comprising, at its surface, silanol groups and, in direct contact with this coating, a second coating which is a precursor for an antifog coating, the second coating being formed by deposition, on the first coating, of at least one compound A having:
| 03-05-2015 |
| 20150049306 | METHOD FOR DETERMINING A BEHAVIOURAL, POSTURAL OR GEOMETRIC-MORPHOLOGICAL CHARACTERISTIC OF A PERSON WEARING SPECTACLES - A method for determining at least one behavioural, postural or geometric-morphological characteristic of a person wearing spectacles, the method includes the steps of: a) illuminating the wearer's head using an infrared light source ( | 02-19-2015 |
| 20150024664 | SYSTEM COMPRISING A POSITIONING AND CENTERING PIN FOR AN OPHTHALMIC LENS, AN ATTACHMENT MEMBER AND A TOOL FOR POSITIONING SAID ATTACHMENT MEMBER ON SAID POSITIONING AND CENTERING PIN - A system includes a positioning and centering pin ( | 01-22-2015 |
| 20150015848 | METHOD FOR ESTIMATING A DISTANCE SEPARATING A PAIR OF GLASSES AND AN EYE OF THE WEARER OF THE PAIR OF GLASSES - A method for estimating an eye/spectacles distance (VG) includes the steps of:
| 01-15-2015 |
| 20140368790 | SYSTEM AND METHOD FOR REAL TIME SEGMENTATION - A system and method for updating a generic ophthalmic lens design is described. The method includes the steps of selecting a generic ophthalmic lens design from a generic ophthalmic lens design database and receiving, over a data-communication network, lens order data associated with at least one individual lens wearer. The method also includes the steps of creating, using the generic ophthalmic lens design and the lens order data, at least one customized ophthalmic lens design being customized for the respective at least one individual lens wearer and updating the generic ophthalmic lens design in the generic ophthalmic lens design database using the at least one customized ophthalmic lens design. | 12-18-2014 |
| 20140362345 | BINOCULAR MULTIPLEXING METHOD AND DEVICE - A binocular multiplexing device for a single-channel ophthalmological instrument for objective measurement of at least one vision parameter of a subject, the ophthalmological instrument including elements for generating a single light beam, elements for collecting a measurement beam by reflecting and/or refracting the light beam against the subject's eye and a sensor associated with the single measurement channel. The binocular multiplexing device includes optical separation first elements for receiving an image beam originating from a stimulus target and separating the image beam into a right and left ocular stimulation beam; optical switching elements for switching the single light beam selectively onto a right or left monocular light beam's optical path to form, after reflection and/or refraction by the eye in question, a right, respectively left, ocular measurement beam, and optical combination elements for superimposing the right, respectively left, ocular stimulation beam, and the right, respectively left, monocular light beam. | 12-11-2014 |
| 20140342100 | CURABLE COATING COMPOSITION - UV curable coating composition includes a non hydrolyzed epoxy- alkoxy-silane, polyfunctional acrylate and/or epoxy compounds and a cationic and/or free-radical photo-initiator; with polyfunctional acrylate and/or epoxy compounds representing more than 40 weight % of the total dry matter and the composition being without any hydrolyzed epoxy-alkoxy-silane. This composition is coated and cured on an optical substrate. | 11-20-2014 |
| 20140340633 | METHOD OF PREPARING AN OPHTHALMIC LENS - A method of preparing an ophthalmic lens ( | 11-20-2014 |
| 20140327883 | DEVICE FOR DETERMINING AT LEAST ONE SIGHT PARAMETER OF A SUBJECT IN A PLURALITY OF VIEWING DIRECTIONS - Device for determining at least one sight parameter of a subject, includes stimulation elements for stimulating the sight of the subject in a predetermined viewing direction, elements for ophthalmological measurement of at least one sight parameter of a subject, the elements for ophthalmological measurement having at most one optical measurement axis for each eye, at least one optical conjugation system, arranged between the ophthalmological measurement apparatus and the right eye and/or left eye of a subject, and a system for aligning the optical conjugation system, so as to optically conjugate a point Y and a point E, the point Y intended to coincide with the optical centre of rotation of the eye concerned, the point E being situated on the optical measurement axis, so as to align the image of the optical measurement axis with the ocular axis of the right or left eye in a plurality of viewing directions. | 11-06-2014 |
| 20140313475 | Active System of Vision and Associated Method for Improving Visual Comfort to a Wearer - Ophthalmic lens comprising: a primary zone on a first face; a secondary zone on the first face between said primary zone and the peripheral edge of the lens; first and second regions forming a partition of the secondary zone, which are contiguous and alternate with a pitch. A spectacle eyeglass obtained from said lens produces a first ophthalmic correction in the primary zone and in the first regions, and a second ophthalmic correction in the second regions different from said first ophthalmic correction. An active system of vision comprises an occultation device comprising: a selection device for selecting the wearer's viewing state; an optical occultation system to occult alternatively a first group and a second group according to the wearer's viewing state selected by the selection device, the first group comprising at least the primary zone and the first regions, and the second group comprising at least the second regions. | 10-23-2014 |
| 20140307224 | COATING COMPOSITION FOR AN OPTICAL ARTICLE, COMPRISING A COLLOIDAL SUSPENSION OF ZIRCONIA PARTICLES - A coating composition includes a colloidal suspension of specific zirconia nano-particles, at least one epoxysilane and at least one catalyst. A method for preparing this composition, and its use for coating a transparent optical substrate, an optical article, such as an ophthalmic lens, including a transparent polymer substrate, especially an acrylic substrate, and a coating prepared from the composition, which is directly applied on the substrate, are also described. | 10-16-2014 |
| 20140307223 | Method For Transforming A Progressive Ophthalmic Surface - The present invention relates to a method for transforming an initial progressive ophthalmic surface which has to be manufactured by a manufacturing method, the transformation method comprising: a step of selecting a manufacturing method intended to be implemented, in which said manufacturing method introduces a reproducible surface defect, a step of selecting a predictive model of said reproducible surface defect,
| 10-16-2014 |
| 20140300858 | METHOD FOR TRIMMING AN OPTHALMIC LENS - A method for trimming an ophthalmic lens using a machining device having a load sensor for measuring a load relating to the load applied by a machine tool to the lens, includes: immobilizing the lens on an immobilizing element, and trimming the lens, while measuring the load magnitude and steering the machine tool relative to the immobilizing element so as to bring the initial contour of the ophthalmic lens to a final contour of a different shape. Between the immobilizing and trimming steps, the machine tool is steered relative to the immobilizing element so that it makes a tour around the lens without contact therewith, while measuring the unladen load magnitude, this relating to the load required to move the machine tool relative to the immobilizing element without performing machining work while steering the machine tool, during the trimming step, as a function of the unladen magnitude measured. | 10-09-2014 |
| 20140293216 | Method For Determining An Ophthalmic Lens - The invention relates to a method for determining an ophthalmic lens wherein: a first and a second reference axes (Γ1, Γ2) are determined, the first reference axis being set to a value comprised between [ | 10-02-2014 |
| 20140234637 | OPTICAL ARTICLE COMPRISING A TEMPORARY ANTIFOG COATING BASED ON SORBITAN SURFACTANTS - An optical article includes a substrate having a main surface coated with an antireflection coating and, directly contacting the antireflection coating, a precursor coating of an antifog coating obtained through the grafting on the antireflection coating of at least one compound B bearing a polyoxyalkylene group, the coating precursor of the antifog coating being coated with a surfactant film so as to form an antifog coating. The surfactant film contains at least one surfactant A having a sorbitan ring hydroxyl groups functionalized with OH-terminated polyoxyalkylene groups and R1 groups of formula: —(R | 08-21-2014 |
| 20140211152 | METHOD FOR DETERMINING FRONT AND REAR SURFACES FOR OPTICAL PATCHES - Optical patches are assigned to prescriptions so as to reduce the total number of patch surfaces which are involved. The prescriptions are produced by varying at least one of a front patch surface (S | 07-31-2014 |
| 20140199918 | PROCESS FOR SURFACING A SURFACE OF A SPECTACLE LENS - A method of surfacing a surface of a spectacle lens, includes a step of determining a fixed rotation speed (Vrot) of the lens based on geometric characteristics of the surface, wherein the step of determining the rotation speed (Vrot) includes the following steps: generating ( | 07-17-2014 |
| 20140157576 | PRODUCTION OF AN OPHTHALMIC LENS SUITABLE FOR STEREOSCOPIC VISION - A process for producing an ophthalmic lens which is suitable for stereoscopic vision based on selection of circular light-polarization includes laminating a quarter-wave retarding layer ( | 06-12-2014 |
| 20140125946 | METHOD FOR PRODUCING ZIRCONIA COLLOIDS - The present invention pertains to a method for producing a colloidal suspension of zirconia particles, comprising the following successive steps:
| 05-08-2014 |
| 20140125945 | Method for Obtaining Optical Articles Having Superior Abrasion Resistant Properties, and Coated Articles Prepared According to Such Method - A method for preparing an abrasion resistant optical article comprising: providing an optical article having at least one main face bearing an abrasion resistant coating;_positioning said optical article in a vacuum deposition chamber;_depositing a first inorganic layer comprising SiO | 05-08-2014 |
| 20140118681 | TEMPORARY PHOTOCHROMIC PATCH FOR AN OPHTALMIC LENS - A process for making a temporary photochromic patch for an ophthalmic lens. A photochromic dye is dissolved in either a siloxane base or curing agent. The base and curing agent are combined to initiate a polymerization reaction that will result in a polydimethylsiloxane (PDMS) polymer matrix having sufficiently low molecular weight to accommodate the photochromic dye's mobility. The polymerization reaction is completed in a form to create a viscoelastic patch. The resulting patch can be trimmed and temporarily applied to an ophthalmic lens without needing adhesive. | 05-01-2014 |
| 20140106163 | OPTICAL ARTICLE INCLUDING AN ANTIREFLECTION COATING HAVING IMPROVED CRACK-RESISTANCE PROPERTIES UNDER MECHANICAL STRESS - The invention relates to an optical article including a transparent organic glass substrate, a primary coating including polyurethane and particulate silica, an abrasion-resistant coating, and an antireflection coating, said coatings, and in particular the antireflection coating, having improved crack resistance when the optical article is subjected to high amounts of mechanical stress, e.g., during edge-grinding and the mounting of lenses in eyeglass frames. The invention also relates to a method for manufacturing such an article. | 04-17-2014 |
| 20140092360 | OPTICAL ARTICLE CONTAINING SELF-HEALING AND ABRASION-RESISTANT COATINGS - The present invention is drawn to an optical article comprising: (a) a transparent optical polymer substrate, (b) a transparent intermediate abrasion-resistant coating obtained from at least one epoxysilane by a sol-gel process, and (c) a transparent outer coating comprising a polythiol-ene matrix obtained by curing a liquid monomer mixture comprising at least one polyfunctional thiol and at least one polyfunctional allyl monomer, said cured polythiol-ene matrix having a glass transition temperature comprised in the range from 40° C. to 70° C. and a thickness from 3.5 μm to less than 10 μm. It is also drawn to a method for preparing such an optical article and to a method for repairing scratches in such an optical article by heating. | 04-03-2014 |
| 20140070149 | METHOD FOR PREPARING ANTISTATIC UV CURABLE HARDCOATINGS ON OPTICAL ARTICLES - A liquid photocurable composition includes:
| 03-13-2014 |
| 20140038500 | OPHTHALMIC-LENS HOLDER - An ophthalmic-lens holder ( | 02-06-2014 |
| 20140036223 | SELF-HEALING TRANSPARENT COATINGS CONTAINING MINERAL CONDUCTIVE COLLOIDS - The present invention is drawn to an optical article comprising
| 02-06-2014 |
| 20140034226 | PROCESS OF DRILLING ORGANIC GLASSES USING A THERMOPLASTIC FILM PROTECTING AGAINST CRACKING AND CRAZING - The present invention is drawn to a process of drilling organic glasses, comprising the steps of:
| 02-06-2014 |
| 20140028972 | Method for Determining the Acceptance of Progressive Addition Lenses - Method for determining the acceptance of progressive addition lenses of a wearer, the method comprising: a fusional vergence parameter providing step during which at least one fusional vergence parameter representing the fusional vergence of the wearer is provided, an acceptance determining step during which the value of the at least one fusional vergence parameter is compared to a predetermined threshold value so as to determine the probability of acceptance of progressive addition lens of the wearer. | 01-30-2014 |
| 20140016088 | PROGRESSIVE OPHTHALMIC LENS - Disclosed is a progressive ophthalmic lens including a front surface and a rear surface, each surface having in each point an altitude, a mean sphere value and a cylinder value, the front surface of the lens including: —a far vision zone having a far vision reference point; —a near vision zone having a near vision reference point; —a main meridian, wherein the front surface is regressive and has: —a sphere gradient normalized value of less than 7.50·10 | 01-16-2014 |
| 20140008543 | EYEGLASS RATING WITH RESPECT TO PROTECTION AGAINST UV HAZARD - An index value is calculated for rating an eyeglass with respect to protection against UV hazard. The index value is based on an integrated UV transmission value through the eyeglass and an integrated UV reflection value related to a back face of the eyeglass. Thus, the index value takes into account actual wearing conditions where UV eye exposure is due either to transmission through the eyeglass or reflection on the eyeglass back face. Respective index values obtained for a set of eyeglasses allow easy sorting of the eyeglasses with respect to UV protection efficiency. | 01-09-2014 |
| 20130341523 | EYEGLASS RATING WITH RESPECT TO PROTECTION AGAINST UV HAZARD - An index value is calculated for rating an eyeglass with respect to protection against UV hazard. The index value is based on an integrated UV transmission value through the eyeglass and an integrated UV reflection value related to a back face of the eyeglass. Thus, the index value takes into account actual wearing conditions where UV eye exposure is due either to transmission through the eyeglass or reflection on the eyeglass back face. Respective index values obtained for a set of eyeglasses allow easy sorting of the eyeglasses with respect to UV protection efficiency. | 12-26-2013 |
| 20130335699 | METHOD FOR DETERMINING A PROGRESSIVE OPHTHALMIC LENS - Method for determining a progressive ophthalmic lens wherein:
| 12-19-2013 |
| 20130329186 | Method for Determining Target Optical Functions - A method for determining target optical functions for a pair of ophthalmic lenses is provided, the method comprising steps of: generating a first target optical function (OFT | 12-12-2013 |
| 20130316071 | Method for the addition of a functional coating on an optical surface of a spectacle lens suitable to be arranged in a spectacle frame - Implementations described and claimed herein provide systems and methods for adding a chosen functional coating on an optical surface of a spectacle lens. In one implementation, it is determined if identified features of the optical surface of the spectacle lens are compatible with the chosen functional coating according to a first set of rules. The features of the optical surface are identified based on an analysis of a quality of the optical surface. Manufacturing information for the chosen functional coating is generated based on the determined compatibility. The manufacturing information includes information for depositing the chosen functional coating on the optical surface where the identified features are compatible with the chosen functional coating and on a modified optical surface where the identified features are not compatible with the chosen functional coating. | 11-28-2013 |
| 20130314668 | METHOD FOR DETERMINING AT LEAST ONE GEOMETRIC/PHYSIOGNOMIC PARAMETER ASSOCIATED WITH THE MOUNTING OF AN OPHTHALMIC LENS IN A SPECTACLE FRAME WORN BY A USER - Method includes: (a) placing on a user's head an accessory including at least one brightness calibration element having at least two contrasted zones; (b) capturing an image of the user's head with the accessory thereon with a device; (c) determining the position of the image of the brightness calibration element of the accessory on the captured image; (d) determining a measured value of the brightness of one part of the image of the brightness calibration element or of the image located close to the brightness calibration element; (e) modifying a parameter for adjusting the optical image-acquisition conditions of the device as a function of the measured value to improve the contrast of the image of contrasted zones of the calibration element; (f) capturing another image with the modified parameter for adjusting the optical acquisition conditions; and (g) determining the required geometric/physiognomic mounting parameter on the basis of the other image. | 11-28-2013 |
| 20130309453 | OPTICAL ELEMENT COMPRISING A CRACK-FREE AEROGEL - A method manufactures an optical element having a surface that includes cells filled with an aerogel that does not crack during its manufacture or during a subsequent step of impregnating the aerogel with a liquid. The disclosure also relates to the optical elements that can be obtained using the method. | 11-21-2013 |
| 20130280422 | METHOD OF DIP-COATING A SEGMENTED MULTIFOCAL LENS - A method of dip-coating a segmented multifocal lens ( | 10-24-2013 |
| 20130235370 | METHOD OF DETERMINING AT LEAST ONE REFRACTION CHARACTERISTIC OF AN OPHTHALMIC LENS - Method of determining at least one refractive characteristic of an ophthalmic lens, includes:
| 09-12-2013 |
| 20130230649 | Process for Tinting Articles, and Tintable Compositions for Use in Said Process - The present invention concerns a process for tinting an article, comprising providing an article having a substrate and an ink receptive coating applied thereon, applying on said ink receptive coating a tinting solution containing at least one dye through ink jet printing, said ink receptive coating being obtained by curing an ink receptive coating composition comprising the at least partial hydrolyzate of a component A consisting of one or more compounds containing at least one polyalkylene oxide segment having at least three alkylene oxide units, said segment being chosen from polyethylene oxide, polypropylene oxide and polyethylene oxide-co-polypropylene oxide segments and at least one —Si(X)n hydrolyzable group, in which n is an integer ranging from 1 to 3, and the X groups, identical or different, represent OH groups or precursors of OH groups, and optionally, at least one silane component B, components A and optional component B being chosen such that a cross-linked structure is generated upon polymerization of said composition. The invention also concerns an ink receptive coating composition for use in the above process. | 09-05-2013 |
| 20130212855 | TEMPORARY SUSPENSION ELEMENT, AND ATTACHMENT AND DISASSEMBLY METHODS USING SAID ELEMENT - A temporary suspension element comprises a rectilinear guide with a threaded end, and a catch which can swing between a guiding position and a retaining position. The element can temporarily replace screws that attach a structure under a support, during the attachment or disassembly of said structure. The attachment and the disassembly of the structure can then be performed by a single operator. | 08-22-2013 |
| 20130209785 | Item Comprising a Mesoporous Layer Protected by a Coating Acting as a Barrier to the Sebum, and Production Method - The invention relates to an article comprising a substrate coated with a mesoporous coating and a coating acting as a barrier to sebum, having a thickness lower than or equal to 20 nm, directly deposited on the mesoporous coating, and comprising at least one silica-based layer, said silica-based layer having a thickness of at least 5 nm, comprising at least 90% by weight of silica, relative to the layer total weight, and having been deposited by physical vapor deposition. The invention also relates to a method for preparing such an article and to the use of a coating acting as a barrier to sebum as defined above in order to prevent the penetration of sebum into the porosity of a mesoporous coating formed on a main surface of the substrate of an article. | 08-15-2013 |
| 20130206328 | PROCESS FOR APPLYING A FILM STRUCTURE ONTO A LENS BLANK - A process for applying a film structure onto a lens blank is improved by implementing a wedge piece when the film structure is pressed against the lens blank using a resilient cushion. The wedge piece forces the film structure to conform more tightly to the lens blank within a depression track existing on said lens blank. Then, the lens blank assembled with the film structure has a final optically useful area which is increased. | 08-15-2013 |
| 20130201441 | METHOD FOR PREPARING A THERMOPLASTIC POLYURETHANE OF IMPROVED YELLOWNESS INDEX, AND OPTICAL ARTICLES MADE THEREFROM - Method for converting a composition into thermoplastic polyurethane, said composition comprising polyurethane resin, said method comprising the steps of combining the composition with a chemical compound, and converting said mixture into thermoplastic polyurethane, characterized in that said chemical compound is 1,4-Di(2,6-dibromo-4-methylphenylamino) anthracene-9,10-dione. Article obtained according to this method. | 08-08-2013 |
| 20130158156 | METHOD OF CONVERTING A POLYMERIZABLE COMPOSITION INTO THERMOPLASTIC POLYURETHANE OF IMPROVED YELLOWNESS INDEX AND ARTICLE OBTAINED BY THIS METHOD - Method of producing a thermoplastic polyurethane having a light stabilization useful for ophthalmic applications, comprising combining precursors of a polyurethane and at least one antioxidant, and incorporating therein, either before, during or after polymerization, at least one light stabilizer, said method being characterized in that the antioxidant is benzenepropanoic acid, 3(1,1-dimethylethyl)-4-hydroxy-5-methyl-1,1′-[1,2-ethanediylbis(oxy-2,1-ethanediyl)]ester and the light stabilizer is bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate together with at least one additional component chosen from among phenol, 2-(5-chloro-2H-benzotriazole-2-yl)-6-(1,1-dimethylethyl)-4-methyl and 2,2′-methylenebis(6-(2H-benzotriazol-2-yl)-4-1,1,3,3-tetramethylbutyl)phenol). | 06-20-2013 |
| 20130155373 | 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 and at least one layer with a low refractive index, having a mean reflection factor on the rear face in the visible region R | 06-20-2013 |
| 20130148078 | PROGRESSIVE MULTIFOCAL OPHTHALMIC LENS - The invention relates to a lens having certain properties, including: a circle grouping together all the points of the lens having the same abscissa and the same ordinate as points located on a circle in the reference plane, having a diameter of 35 millimetres and centred on a point located 8.5 millimetres below the mounting cross and horizontally offset on the nasal side by 1.25 millimetres; a disc grouping together all the points of the lens having the same abscissa and the same ordinate as points located inside said circle; a progression length of less than 14.5 millimetres; a ratio difference between the value of the cylinder and the surface addition of less than 0.2 as an absolute value for every pair of points of the lens that are symmetrical relative to the mounting cross and have the same ordinate as the mounting cross, and an abscissa with an absolute value of less than 20 millimetres; a first ratio between: the maximum cylinder value for all the points of the circle; and the surface addition of less than 0.7; and a second ratio between: the maximum cylinder value for all the points of the disc; and the surface addition of no more than 1.05. The invention is suitable for improving the comfort of the wearer. | 06-13-2013 |
| 20130105080 | PROCESS FOR PRODUCING A CURVED SUBSTRATE COVERED WITH A FILM | 05-02-2013 |
| 20130095733 | METHOD FOR TRIMMING AN OPHTHALMIC EYEGLASS LENS COMPRISING A COATING FILM - Method of shaping an ophthalmic eyeglass lens presenting two main optical working faces and including firstly a substrate made of a first material and presenting two main faces corresponding to the two main faces of the lens, and secondly at least one coating film made of a material distinct from that of the substrate, the coating film being previously secured on at least one of the main faces of the substrate, includes:
| 04-18-2013 |
| 20130095290 | Article Coated with an Ultra High Hydrophobic Film and Process for Obtaining Same - The present invention relates to an article having at least one surface, wherein said surface is at least partially coated with a ultra high hydrophobic film having a surface roughness such that the film exhibits a static water contact angle at least equal to 115°, preferably 120°, even better 125°, and wherein said film is a nanostructured film comprising a first layer comprising nanoparticles bound by at least one binder adhering to the surface of the article, and a second layer of an anti-fouling top coat at least partially coating said first layer. The present invention also concerns a process for preparing the above article. | 04-18-2013 |
| 20130084778 | Process for Controlling a Lens Manufacturing Process - A process for controlling a lens manufacturing process comprising the steps of a) manufacturing a master lens according to a manufacturing process using a manufacturing device, b) measuring by using at least a measuring device at least one parameter of the master lens of step a), c) recording the value of the parameter, d) repeating regularly step a) to c) and checking the evolution of the parameter over time, wherein the evolution of at least one parameter of the manufacturing device used during the lens manufacturing process is checked over time and the evolution over time of at least one parameter of the master lens is related with the evolution over time of the at least one parameter of the manufacturing device. | 04-04-2013 |
| 20130078458 | METHOD FOR THE LOW-TEMPERATURE PREPARATION OF ELECTRICALLY CONDUCTIVE MESOSTRUCTURED COATINGS - The present invention relates to a method for manufacturing mesostructural coatings comprising electrically conductive structures formed of metal nanoparticles. Said method includes the steps that involve: a) depositing on a substrate, a first layer consisting of a silica material, mesostructured by a structuring agent, and a photocatalytic material: b) depositing on the first layer, a second layer of a mesostructural silica material, said second layer being free of photocatalytic material: c) consolidating the first and second layers at at temperature between 50° C. and 250° C.; and d) placing the consolidating coating in contact with a solution that contains and irradiatting coating with a radiation that enables the photocatalytic material to be activated. Said method is characterized in that it includes no heat treatment at a temperature greater than 250° C. | 03-28-2013 |
| 20130071579 | METHOD FOR PRODUCING AN OPTICAL ARTICLE COATED WITH AN ANTIREFLECTION OR A REFLECTIVE COATING HAVING IMPROVED ADHESION AND ABRASION RESISTANCE PROPERTIES - The invention relates to a method for producing an optical article having antireflection or reflective properties and comprising a substrate having at least one main surface, comprising the step of depositing an sub-layer onto a substrate's main surface, the step of treating the sub-layer by ionic bombardment and the step of depositing onto said sub-layer a multilayered stack comprising at least one high refractive index layer and at least one low refractive index layer. According to a preferred embodiment, the deposition of the sub-layer is conducted in a vacuum chamber in which a gas is supplied during the deposition step. | 03-21-2013 |
| 20130069258 | PRODUCTION OF A TRANSPARENT OPTICAL COMPONENT HAVING A CELLULAR STRUCTURE - The invention relates to a transparent optical component having a cellular structure, comprising a network of walls ( | 03-21-2013 |
| 20130063697 | Method for Determining an Edge of an Uncut Spectacle Lens - Method for determining the edge contour of an uncut spectacle lens comprises: a spectacle frame data providing step, a minimum edge thickness providing step, an initial contour providing step, a thickness determining step, an optimized point selecting step, a repeating step, and a edge contour determining step. | 03-14-2013 |
| 20130062213 | METHOD OF MANUFACTURING AN ELECTROCHROMIC ARTICLE - The present invention relates to a process for manufacturing an electrochromic article comprising the following successive steps: (a) the deposition of a layer of an electrochromic compound on the surface of a transparent or translucent electrically conductive substrate, said layer of electrochromic compound covering only one portion of the surface of said electrically conductive substrate and leaving free at least one other portion thereof, (b) the deposition of a redox agent which is a reducing agent or an oxidizing agent for the electrochromic compound, on the portion of the surface of the electrically conductive substrate not covered by the layer of electrochromic compound, (c) the contacting of the layer of electrochromic compound, deposited in step (a), and of the layer of redox agent, deposited in step (b), with a liquid electrolyte for a sufficient time to enable the reduction or the oxidation of the electrochromic compound by the redox agent, and (d) the removal of the electrolyte by rinsing and/or drying. | 03-14-2013 |
| 20130038833 | PROGRESSIVE MULTIFOCAL OPHTHALMIC LENS - The invention relates to a finished or semi-finished lens which comprises: a disc containing all the points of the lens that have the same abscissa and the same ordinate as points located within a circle in the reference plane having a diameter of 30 millimetres and centred on the prism reference point; a progression length of less than 14.5 millimetres; a first specific point having a cylinder value equal to the maximum cylinder value of all the points of the lens located in the nasal area and in the disc; and a second specific point having a cylinder value equal to the maximum cylinder value of all the points of the lens located in the temporal area and in the disc; a first ratio between: the maximum gradient of the cylinder for the points of the lens that have the same abscissa and the same ordinate as the points located on segments connecting the mounting cross to the first and second specific points, and surface addition of less than 0.095 per millimetre; and a second ratio between: the maximum cylinder value of the first and second specific points, and surface addition of no more than 0.85. The invention enhances the comfort of the wearer. | 02-14-2013 |
| 20120328776 | PROCESS FOR THE MANUFACTURE OF LENSES - Process for manufacturing of an optical article which comprises: | 12-27-2012 |
| 20120327364 | HEAT-CURABLE EPOXY FUNCTIONAL COMPOSITION AND TRANSPARENT HEAT-CURED CAUSTIC-RESISTANT HARD-COATINGS PREPARED THEREFROM - A heat-curable composition comprises from 25 to 65% by weight of a mixture of epoxy-functional monomers, said mixture consisting of at least one polyfunctional epoxy monomer selected from monomers comprising from 4 to 8 glycidyl groups and/or cycloaliphatic epoxy groups, and at least one bi- or tri-functional epoxy monomer selected from monomers comprising two or three glycidyl groups and/or cycloaliphatic epoxy groups, from 25 to 70% by weight of at least one organic solvent selected from glycol monoethers, from 2.5 to 5% by weight, relative to the total weight of epoxyfunctional monomers (a) and (b), of at least one blocked strong acid catalyst, said heat-curable composition not containing any non-epoxyfunctional monomers, in particular not containing any acrylic, methacrylic or silane monomers. | 12-27-2012 |
| 20120307340 | TRANSPARENT ELECTROCHROMIC SYSTEMS WITH A PLURALITY OF POLARISATION ELECTRODES - The invention relates to transparent electrochromic systems which each include one pair of supply electrodes and at least one pair of polarisation electrodes. The polarisation electrodes prevent a reaction of mutual neutralisation of the electroactive substances of the systems from causing unnecessary consumption of electric current. Said electrodes also prevent a neutralisation reaction from limiting a lower value of light transmission of the systems. For this purpose, the polarisation electrodes produce an electric field inside the systems, which attracts the electroactive substances that have already reacted with the supply electrodes to different areas. | 12-06-2012 |
| 20120293768 | ANTIREFLECTION OPHTHALMIC LENS AND METHOD OF MANUFACTURE METHOD - The invention relates to an optical article including a transparent substrate of organic glass, preferably a substrate of an ophthalmic lens, an adhesive layer covering at least one of the faces of the transparent substrate, a transparent film of thermoplastic polymer fixed on the transparent substrate by means of the adhesive layer, an anti-abrasion hard coating covering the transparent film of thermoplastic polymer, and a multilayer antireflection coating formed from alternating mineral layers with high and low refractive index. The invention also relates to a method of manufacturing said article. | 11-22-2012 |
| 20120281183 | Method for Determining Binocular Performance of a Pair of Spectacle Lenses - A method of determining binocular performance of a pair of spectacle lenses comprises: a eyes characteristics providing step, a pair of spectacle lenses providing step, a environment providing step, a cyclopean eye positioning step, a binocular performance criteria defining step, and a binocular performance criteria determining step, wherein the cyclopean eye position is customized. | 11-08-2012 |
| 20120274892 | OPHTHALMIC LENS ARRANGEMENT AND AN APPARATUS FOR DEMONSTRATING A PLURALITY OF OPTICAL FUNCTIONS AND A METHOD FOR DEMONSTRATING A PLURALITY OF OPTICAL FUNCTIONS - The invention relates to an ophthalmic lens arrangement ( | 11-01-2012 |
| 20120272800 | METHOD FOR PREPARING A GLASS CONVENIENT FOR TRIMMING, A GLASS THUS OBTAINED, AND METHOD FOR TRIMMING SUCH A GLASS - The aim of the invention is to provide a method for making appropriate for trimming a glass comprising a hydrophobic and/or oil-repellent surface coating. | 11-01-2012 |
| 20120249899 | EYEGLASS ADAPTED FOR PROVIDING AN OPHTHALMIC VISION AND A SUPPLEMENTARY VISION - An eyeglass ( | 10-04-2012 |
| 20120242954 | PHOTOCHROMIC OPTICAL ARTICLE COMPRISING A SATURATED PHOTOCHROMIC COATING AND A FILM ABSORBING UV RADIATION - The invention relates to a photochromic optical article with reduced thermal dependency, comprising: (a) a transparent substrate, (b) a saturated photochromic layer having, in the activated state and at a temperature of 20° C. or greater, a relative transmission factor of less than 1% in the visible range, and (c) an anti-UV coating of plastic material at least partially covering the saturated photochromic layer, the said anti-UV coating containing at least one agent which absorbs UV radiation (anti-UV agent) and is distributed in a pattern consisting of a multitude of points, each having a surface area of less than 0.15 mm 2, the average distance between two neighbouring points lying between 0.5 and 2 mm and the ratio of the overall surface area of all the points to the total surface area of the anti-UV coating being such that the relative transmission factor of the optical article in the visible range in the activated state and at 20° C. or greater is at least equal to 5%. The invention also relates to two methods for manufacturing such an optical article. | 09-27-2012 |
| 20120240736 | MACHINING METHOD BY TURNING A FACE OF A SPECTACLE LENS - A machining method for machining a surface of a spectacle lens at a fixed rotation speed, includes a step of determining the rotation speed from geometric characteristics of the surface, characterized in that the step of determining the rotation speed includes the following steps: a value (Maxdiff) representative of the largest difference in geometric value of the mean sphere on the surface is determined; and the rotation speed is deduced from the value (Maxdiff) of the largest difference in geometric values of the mean sphere on the surface and from a geometric value of the cylinder (FV torus) at a predetermined far-vision control point. | 09-27-2012 |
| 20120238660 | METHOD FOR DYEING A PLASTIC SUBSTRATE OF HIGH REFRACTIVE INDEX AND SUBSTRATE OBTAINED BY THIS METHOD - Method for dyeing a substrate prepared by curing a polymerizable composition having one monomer containing one episulfide group, the method including:
| 09-20-2012 |
| 20120231713 | OPTICAL QUALITY SURFACING TOOL - An optical-grade surfacing tool ( | 09-13-2012 |
| 20120229758 | METHOD FOR PROVIDING A SPECTACLE OPHTHALMIC LENS BY CALCULATING OR SELECTING A DESIGN - A method for providing a spectacle ophthalmic lens to a wearer, the method comprising the following consecutive steps: measuring the visual acuity value(s), VA, of the eye(s) of the wearer or the binocular visual acuity value, VA | 09-13-2012 |
| 20120224140 | Lens Deblocking Method and Related Device - A method of deblocking an ophthalmic lens component ( | 09-06-2012 |
| 20120218512 | METHOD FOR PRODUCING AN ANTI-UV PLASTIC FILM WITH NON-UNIFORM SPATIAL DISTRIBUTION OF THE UV ABSORBER AND PHOTOCHROMIC OPTICAL ELEMENTS COVERED WITH SUCH A PLASTIC FILM - Method for producing a plastic film containing a compound absorbing ultraviolet radiation comprising (a) depositing an alcoholic solution of polyvinyl butyral on a transparent plastic support film, (b) evaporating the solvent from the alcoholic solution of polyvinyl butyral so as to form a polyvinyl butyral layer on the transparent support film, (c) printing the polyvinyl butyral layer with an ink absorbing ultraviolet radiation (UV absorber) in a pattern, (d) heating the transparent plastic support film, coated with the printed polyvinyl butyral layer so as to enable at least part of the UV absorber to pass from the polyvinyl butyral layer to the plastic support film, (e) removing the polyvinyl butyral layer, preferably by washing with a suitable solvent. The application also relates to the film obtained by this method and the use of this film for producing a photochromic element with a spatially non-uniform behaviour. | 08-30-2012 |
| 20120218483 | VARIABLE POWER OPTICAL ELEMENT - A variable power optical element is divided into cells which contain two liquid crystals mixed according to different proportions. The proportion of one of the liquid crystals in each cell increases on the basis of the radial distance between a central point of the optical element and said cell. An appropriate selection of the two liquid crystals results in a higher variation of the optical power between two control states of said optical element. More particularly, the optical element may consist of an ophthalmic lens which changes between a convergent lens state and a divergent lens state. | 08-30-2012 |
| 20120212705 | OPTICAL FUNCTION DETERMINING METHOD - A method implemented by computer means for determining a virtual wearer-ophthalmic lens-ergorama system associated with an optical function of an ophthalmic lens for a given wearer, comprising: a prescription data providing step, an optical reference surface data providing step, a virtual wearer-ophthalmic lens-ergorama system determining step, a criteria selecting step, a target value defining step, an evaluation step, and a modification step, in which at least one parameter of the virtual wearer-ophthalmic lens-ergorama system different from the base curve of the ophthalmic lens is modified, in order to minimize the difference between the target value and the evaluation criterion value. | 08-23-2012 |
| 20120188504 | METHOD FOR ASSESSING AN OPTICAL FEATURE OF AN OPHTHALMIC LENS DESIGN - A method implemented by computer means of assessing at least a selected optical feature of an ophthalmic lens design over a prescription and optionally design particularity domain comprising the steps of:
| 07-26-2012 |
| 20120180932 | METHOD FOR ADJUSTING THE POSITION OF A TRANSPARENT ELEMENT - The invention relates to a method for adjusting the position of a transparent element ( | 07-19-2012 |
| 20120177844 | METHOD AND DEVICE FOR CHEMICAL VAPOR DEPOSITION OF POLYMER FILM ONTO A SUBSTRATE - A method for chemical vapor deposition of a polymer film onto a substrate ( | 07-12-2012 |
| 20120176661 | TRANSPARENT ELECTROCHROMIC SYSTEM WITH A PLURALITY OF PAIRS OF SUPPLY ELECTRODES - The invention relates to a transparent electrochromic system ( | 07-12-2012 |
| 20120176583 | Single Vision Ophthalmic Lens - An ophthalmic lens ( | 07-12-2012 |
| 20120164257 | DEVICE FOR THERMOFORMING A PLASTIC FILM - A thermoforming device heats a plastic film to a substantially uniform temperature, in order to impart a curved shape to said film. The device includes a chamber, the internal pressure of which is variable and which is closed by the film, a system for measuring a sag in the film arranged outside the chamber and opposite said film, and a system for heating the film. The heating system includes a hot air blowing unit which is suitable for producing a hot airflow flowing parallel to the film between two opposite edges of said film. | 06-28-2012 |
| 20120153574 | CHAMBER INCLUDING A SEALED CONNECTION ASSEMBLY SLIDING INSIDE A TRANSLATION PLANE - A chamber includes a sealed connection assembly sliding inside a translation plane, having two rigid parts, one of which comprises a groove. A planar seal and at least one O-ring seal are positioned in the groove, with the O-ring seal under the planar seal. An active surface of the planar seal, which projects above the groove, is compressed against a planar bearing surface of the other rigid part. The chamber can be used in a device for applying a plastic film onto a spectacle lens, in order to move the lens inside a variable-pressure space. | 06-21-2012 |
| 20120147322 | IMPACT-RESISTANT OPHTHALMIC LENS AND ITS MANUFACTURING PROCESS - An ophthalmic lens includes: a transparent ophthalmic lens substrate made of organic glass; an adhesive layer covering at least one of the faces of the transparent substrate; a transparent film made of a thermoplastic polymer fixed to the transparent substrate via the adhesive layer; and an abrasion-resistant coating covering the transparent thermoplastic polymer film, characterized in that the ophthalmic lens has a minimum thickness at the centre of less than 2 mm, preferably less than 1.5 mm and even more preferably less than 1.2 mm. Two processes for manufacturing such a lens and the use of an adhesive multilayer film to improve the impact strength of such a lens are also described. | 06-14-2012 |
| 20120133886 | METHOD OF CALCULATING A SETPOINT FOR BEVELING OR GROOVING AN OPHTHALMIC LENS - A method of calculating a shaping setpoint for an ophthalmic lens along a longitudinal profile includes:
| 05-31-2012 |
| 20120130524 | Method For Providing Finishing Parameters - A method implemented by computer means, for providing finishing parameters related to an ophthalmic lens adapted to a spectacle frame, wherein the method comprises: the step (S | 05-24-2012 |
| 20120120477 | TRANSPARENT ELECTROCHROMIC SYSTEM - A transparent electrochromic system includes a cellular structure, two power supply electrodes together supported on a single wall, and at least one additional electrode. The additional electrode can be used as a reference electrode or as a polarization electrode. The additional electrode can also form a condenser with a fourth electrode that is added to the system, in order to control a migration of certain electroactive substances responsible for coloring and decoloring the system. The operation of the system can thus be improved. | 05-17-2012 |
| 20120113394 | METHOD FOR OPTIMIZING AND/OR MANUFACTURING EYEGLASS LENSES - A method for determining an optical eyeglass lenses design for a viewer comprising the successive steps of: showing the viewer a stereoscopic scene, said scene being shown with optical effects of the first lens design; expressing the viewer's opinion; showing the viewer a stereoscopic scene including optical effects of a modified lens design; introducing a relative movement between the viewer and the shown stereoscopic scene, and said scene being shown with the modified lens optical effects; expressing again the viewer's opinion; repeating the three last steps up to viewer's satisfaction. A system for customizing vision correction suitable to implement said method. Related computer program for dynamically calculating a stereoscopic image. Related computer program for actuating an electro-active component. | 05-10-2012 |
| 20120108144 | PREDICTIVE CALCULATION METHOD FOR CALCULATING A SIMULATED SHAPE OF AN ENGAGEMENT RIDGE TO BE ARRANGED ON THE EDGE FACE OF AN OPHTHALMIC LENS OF A PAIR OF EYEGLASSES, AND A METHOD OF BEVELING - A predictive calculation method for calculating the shape of a cross-section of an engagement ridge of an ophthalmic lens obtained by beveling the lens with a beveling grindwheel driven in accordance with an initial path setting. The method includes the following steps: | 05-03-2012 |
| 20120106813 | CHARACTERIZATION OF A PERCEPTION OF BLUR - The invention relates to a method for characterizing a perception of blur by a subject ( | 05-03-2012 |
| 20120070654 | Method For Improving The Edging Of An Optical Article By Providing A Temporary Layer Of An Organic Matter - Methods for edging optical articles comprising two main faces, at least one of which being coated with an outermost layer comprising fixing the optical article to a chuck with a holding pad that adheres to both the optical article and the chuck, wherein the surface of the holding pad contacting the optical comprises an adhesive material; and edging the optical article with an edging device; wherein prior to fixing the optical article to the chuck, at least one temporary layer of an organic material is formed onto said outermost layer of the optical article, the organic material of the temporary layer comprising at least one organic compound having a fluorinated functional moiety and at least one linking functional moiety capable of establishing at least one intermolecular bond or interaction with the adhesive material of the holding pad. Optical articles obtained via these methods. | 03-22-2012 |
| 20120057122 | SPECTACLE LENS PROVIDING OPHTHALMIC VISION AND AN ADDITIONAL VISION - The invention relates to a method for producing a spectacle lens that provides both ophthalmic vision and an additional type of vision, said method comprising two consecutive steps consisting of calculating a rear surface (FP) and a front surface (FA) of the lens. The additional vision type corresponds to the perception of a light (VS) that is conveyed between the front and rear surfaces by an insert ( | 03-08-2012 |
| 20120045577 | Antistatic Sol/Gel Compositions and Optical Articles Coated Therewith - The invention relates to an antistatic coating composition comprising a hydrolyzate resulting from the at least partial hydrolysis of: a component A consisting of one or more compounds containing at least one polyalkylene oxide segment and at least one —Si(X) | 02-23-2012 |
| 20120028005 | Optical Article Including an Antireflecting Coating Having Antifog Properties and Process for Making Same - An optical article comprising a substrate and on at least one face of the substrate a multilayered antireflecting coating functioning in an interferential manner having antifog properties, said antireflecting coating including a last layer with a refractive index n≦1.55 and a physical thickness of 120 nm or less directly deposited on a high refractive index layer (HI layer) having a refractive index n>1.55, and a thickness of less than 500 nm. | 02-02-2012 |
| 20120027933 | Process for Preparing Articles Having Anti-Fog Layer by Layer Coating and Coated Articles Having Enhanced Anti-Fog and Durability Properties - A process for making an article having anti-fog properties. | 02-02-2012 |
| 20120019767 | Optical Article Comprising a Temporary Anti-Fogging Coating with Improved Durability - The present invention relates to an optical article comprising a substrate provided with a coating comprising silanol groups on the surface thereof and, directly contacting this coating, an anti-fog coating precursor coating, said precursor coating having a static contact angle with water of more than 10° and of less than 50°, a thickness lower than or equal to 5 nm, and being obtained through the grafting of at least one organosilane compound having a polyoxyalkylene group comprising less than 80 carbon atoms and at least one silicon atom bearing at least one hydrolyzable group. The anti-fog coating precursor is converted into an actual anti-fog coating by applying on the surface thereof a film of a liquid solution comprising at least one surfactant. The anti-fog coating is immediately operational and provides long-lasting effects. | 01-26-2012 |
| 20120016644 | METHOD FOR CALCULATING A SYSTEM, FOR EXAMPLE AN OPTICAL SYSTEM - A method for calculating a system by optimization, the method comprising the steps of: i. providing a set of system parameters so as to define a starting system, each system parameter being set up at a starting value; ii. defining a plurality of criteria; iii. associating for each criterion a cost function; iv. defining a plurality of global cost functions by associating to each global cost function at least one cost function; v. defining a vector of variable parameters associated to each global cost function by selecting for each vector of variable parameters at least one system parameter; vi. optimizing the plurality of global cost functions by modifying the values of the system parameters of the vectors of variable parameters so as to obtain an intermediate system; repeating step vi. until an equilibrium is reached so as to obtain a system. | 01-19-2012 |
| 20120015179 | Conductive Polymer-Based Curable Coating Composition Providing Coated Articles with Enhanced Antistatic Properties - The present invention relates to a curable composition, providing, upon curing, a transparent, antistatic coating, comprising at least one conductive polymer, at least one binder, at least one solvent, and at least one compound of formula R | 01-19-2012 |
| 20120013980 | APPARATUS FOR CONFORMING A PLANAR FILM ON AN OPTICAL LENS, METHOD FOR FUNCTIONALIZING AN OPTICAL LENS BY MEANS OF SAID APPARATUS, THE OPTICAL LENS SO-OBTAINED - The present invention relates to an apparatus for confirming a functionalized flexible planar film on an optical lens. The apparatus according to the invention may also be used in a process of functionalization of an optical lens. As a factor of the functionalization that one wishes to introduce into said optical lens and the nature of the functionalized flexible planar film used, the functionalization process is a process of gluing, transfer, or molding of a functionalized flexible planar film onto an optical lens. The implementation of each of these respective processes makes it possible to obtain a functionalized optical lens, said functionalization being adhered, transferred, or molded using a functionalized flexible planar film. | 01-19-2012 |
| 20120013979 | PROCESS FOR APPLYING A LAYERED STRUCTURE ON A LENS - This invention relates to an improvement for applying a layered structure onto a convex surface of a lens. After thermoforming the layered structure, a curvature direction of the layered structure is inverted. The structure is then applied on the lens surface by continuously pushing the structure against the lens surface, starting from a contact point between a convex surface of the structure and the convex surface of the lens. The curvature direction of the layered structure is then inverted again, so that it recovers the curvature direction that resulted from thermoforming. Stresses within the layered structure are then reduced, and the structure can be assembled with the lens without defects. | 01-19-2012 |
| 20120002168 | Method and Apparatus for Simulating an Optical Effect of an Optical Lens - A method of simulating an optical effect of an optical lens for a potential wearer, the method comprising: using a first camera to take a first image of a scene through a first optical lens, the first optical lens having optical characteristics according to a first ophthalmic lens design, the first camera being provided with optics arranged to simulate the optical characteristics of a human eye; and displaying the first image on a display device for viewing by the potential wearer enabling the potential wearer to visualise the optical effects of the first optical lens on his viewing ability. The position of the first camera, the first optical lens and the display device are fixed with respect to a referential frame defined by the head of the potential wearer, the head of the potential wearer being movable with respect to the scene. | 01-05-2012 |
| 20120002162 | METHOD FOR CUTTING A PATCH TO BE APPLIED ONTO A CURVED SUBSTRATE - A method cuts a patch to be applied onto a curved substrate and includes the preliminary calculation of curvilinear lengths on the substrate between a reference point and a peripheral edge of said substrate. The calculated lengths are applied to a planar film for making the patch, and then the patch is cut by connecting the ends of the applied lengths. The patch then precisely coincides with the edge of the substrate. Such a method is particularly useful for applying a functional film onto a spectacle lens, as a trimming of the lens after the film is assembled with the lens would degrade said film. | 01-05-2012 |
| 20110320029 | Processing Device for Processing an Order Request of an Ophthalmic Lens - A processing device (RX) for processing an order request of an ophthalmic lens, comprising: receiving means (REC) arranged for receiving an order request from a management entity (LMS), the management entity (LMS) being arranged to be linked to at least one lens manufacturing device (MAN), the order request comprising at least information related to an optical wearer's prescription, processing means (PROC) arranged for processing the order request on the basis of predetermined processing rules so as to obtain parameters of the ophthalmic lens according to the information comprised in the order request, sending means (SEN) arranged for sending the obtained parameters of the ophthalmic lens to the management entity (LMS), wherein the processing device (RX) is arranged to prevent an unauthorized access to the predetermined processing rules. | 12-29-2011 |
| 20110317128 | SPECTACLE EYEGLASS FOR MYOPIC CHILD - A spectacle eyeglass of progressive addition type has been designed for myopic children. To this purpose, an ergorama has been constructed, taking into account vision conditions encountered by the children in their everyday life. In particular, the eyeglass has a limited optical power increase between two reference eye directions (D | 12-29-2011 |
| 20110305827 | Methods of Using a Non-Photocatalytic Porous Coating as an Antisoiling Coating - The present invention relates to the use as an antisoiling coating of a porous coating comprising a polysiloxane matrix and a porous volume such that the potential filling ratio of the total volume of said coating by oleic acid is at least 25% by volume, having a porosity rate ranging from 25 to 70% by volume and having no photocatalytic properties. The antisoiling porous coating is self-cleaning, easy to clean and can be regenerated by simple washing. It is mainly intended for use in ophthalmic optics, and proves to be very effective against sebum. In the preferred embodiment of the invention, this coating has a mesoporous structure. | 12-15-2011 |
| 20110295117 | DEVICE FOR MEASURING A CHARACTERISTIC READING DISTANCE OF AN INDIVIDUAL - A device for measuring a characteristic reading distance of an individual, includes a measurement support carrying at least one ultrasound emitter member and at least one ultrasound receiver member, at least one of these members, referred to as a main measurement member, possessing a measurement axis on which emission or reception by the main measurement member is privileged, and being suitable for emitting or receiving ultrasound propagating in a measurement cone centered on its measurement axis. The device further includes an electronic processor unit adapted, as a function of the ultrasound signal received by the receiver member, to deliver a signal representative of the distance between the measurement support and an eyeglass frame worn by the individual's head, and to deduce therefrom the characteristic reading distance, and elements to verify that the eyeglass frame is situated at least in part in the measurement cone of the main measurement member. | 12-01-2011 |
| 20110292345 | DEVICE AND A METHOD FOR MEASURING A CHARACTERISTIC READING DISTANCE OF AN INDIVIDUAL IN A NEAR VISION NATURAL POSTURE - A measurement device ( | 12-01-2011 |
| 20110279773 | METHOD FOR DETERMINING A SET OF PROGRESSIVE MULTIFOCAL OPHTHALMIC LENSES - A method for determining by optimization a set of progressive ophthalmic lenses for a given user for whom a near vision power addition (Add | 11-17-2011 |
| 20110256804 | METHOD FOR SHAPING AN OPHTHALMIC LENS FOR EYEGLASSES - The invention relates to a method of shaping an ophthalmic lens to have a desired outline ( | 10-20-2011 |
| 20110248223 | Additives for Enhancing the Antistatic Properties of Conductive Polymer-Based Coatings - The present invention relates to a curable composition, providing, upon curing, a transparent, antistatic coating, comprising at least one conductive polymer, at least one epoxysilane binder, at least one solvent, and at least one compound of formula R | 10-13-2011 |
| 20110223418 | Method for Treating an Optical Lens for the Edging Thereof - The present invention relates to a method for treating an optical lens coated on at least one of the main surfaces thereof with a hydrophobic and/or oleophobic external coating, to make it capable of undergoing an edging process, comprising a step of depositing onto at least one part of the hydrophobic and/or oleophobic external coating a temporary adhesive composite film, said adhesive composite film comprising a pre-formed film, one main surface of which is coated with a pressure-sensitive adhesive layer, said adhesive layer directly contacting the hydrophobic and/or oleophobic coating, the pre-formed film modulus of elasticity in tension E′ being higher than or equal to 4200 MPa, and the rupture stress of the assembly composed of said adhesive film bonded to a polycarbonate specimen coated with a fluorinated silane layer, measured under tensile stress in accordance with the shear strength evaluation standard NF EN 1465, being higher than or equal to 0.05 MPa. | 09-15-2011 |
| 20110220487 | Protective Enclosure for an Ion Gun, Device for Depositing Materials through Vacuum Evaporation Comprising Such a Protective Enclosure and Method for Depositing Materials - The present invention relates to a protective enclosure for an ion gun and to a device for depositing materials through vacuum evaporation comprising such an enclosure and methods of using each. According to the invention, the protective enclosure comprises a side wall intended to surround said ion gun, and an open upper end, said protective enclosure having a longitudinal axis, a truncated tube shape on its open upper end resulting from an inclined surface relative to said longitudinal axis, and having a lower part and an upper part. | 09-15-2011 |
| 20110211245 | TRANSPARENT ELECTROACTIVE SYSTEM - The invention relates to a transparent electroactive system that includes two electrodes ( | 09-01-2011 |
| 20110210019 | FOLDABLE GLASSES CASE - The invention concerns a glasses case including a bottom panel, a frame and four side walls, which case has a folded configuration in which a first panel and a second panel of each wall of a first pair of side walls are inclined towards each other pointing outwardly whereas a first panel and a second panel of each wall of a second pair of side walls are inclined towards each other pointing inwardly, and a deployed configuration in which a first panel and a second panel of each side wall are inclined towards each other pointing inwardly, and a first panel and a second panel of each wall of the first pair of side walls bear on the remaining sides of the panels of the second pair of side walls. | 09-01-2011 |
| 20110192998 | Linear Fluidic Actuator - A linear fluidic actuator comprising an upper actuation deformable surface suitable to induce a displacement in an actuation direction L and a wall delimiting an internal cavity wherein the shape of the actuator is a pillar; the wall, the cavity and the upper surface of a base form the lower part of said pillar, where h1 is the highest dimension of the internal cavity at rest according to the actuation direction L; a part forms the upper part of said pillar where the upper surface of said upper part is the upper actuation deformable surface, the bottom surface of said upper part closes the upper part of the cavity so as to form an upper surface of said cavity and where h2 is the distance at rest from the top of the upper surface of the internal cavity to the upper actuation deformable surface; the height ratio h1/h2 is comprised between 0.2 and 10; a fluidic inlet is provided and suitable for introducing a fluid in the internal cavity. | 08-11-2011 |
| 20110184830 | Method for Determining the Inset of a Progressive Addition Lens - A method for determining the value of the inset of a progressive addition lens according to a wearer comprising the steps of: providing convergence data, determining from the convergence data the inset of the progressive addition lens considering at least the convergence data and the prismatic effect of the progressive addition lens. | 07-28-2011 |
| 20110165343 | FRESNEL LENS COATING PROCESS - The present method for coating a Fresnel lens comprises providing an uncoated Fresnel lens blank having a structure surface and a non-structured surface, providing a transparent mold part having molding surface substantially matching the base curvature of the Fresnel lens, depositing a metered quantity of coating resin between the molding surface and the structured surface of the Fresnel lens, applying pressure between the Fresnel lens and the mold part while maintaining the distance between the molding surface and the structure surface so that the thickness of the coating is greater than 1.5 times the Fresnel structural height of the structured surface and less than 5 times of the Fresnel structure height of the structured surface and curing the resin coating in situ by directing the incident UV radiation at the Fresnel lens. | 07-07-2011 |
| 20110149234 | METHOD FOR GENERATING A TRIMMING SETPOINT FOR AN OPHTALMIC LENS - A method for generating a trimming setpoint for an ophthalmic lens to be fitted in a surround of a spectacle frame, includes:
| 06-23-2011 |
| 20110146893 | Method of Bonding a Film to a Curved Substrate - A method of bonding a film ( | 06-23-2011 |
| 20110141435 | Method for Generating a trimming setpoint for an Ophtalmic Lens for it to be Fitted in a half-rim Spectacle frame - A method for generating a trimming setpoint for an ophthalmic lens for it to be fitted in a surround of a half-rim spectacle frame, includes the steps of:
| 06-16-2011 |
| 20110129599 | Provess for Transferring Coatings Onto a Surface of a Lens Substrate with Most Precise Optical Quality - The present invention relates to a process for transferring at least one coating onto at least one geometrically defined surface of a lens substrate to produced a lens substrate coated with at least one functional coating adhering to at least one geometrically defined surface through a layer of transparent adhesive composition. | 06-02-2011 |
| 20110128496 | PRODUCTION OF CUSTOMIZED PROGRESSIVE OPHTHALMIC LENS - A method makes a customised progressive ophthalmic lens intended for an identified wearer that includes measurements of the inclination of the wearer's head. These measures are made when the wearer performs visual tasks in far-vision conditions, by consecutively looking horizontally, then towards the ground. A variation of the optical power of the progressive lens, below a reference direction for the far vision, is adjusted on the basis of the measure results. The habituation period of the wearer to the progressive lens can thus be reduced. | 06-02-2011 |
| 20110124272 | Lens Blocking and Deblocking Method and Related Device - A method for blocking and/or deblocking an optical lens ( | 05-26-2011 |
| 20110122475 | PHOTOCHROMIC DICHROIC NAPHTHO-PYRANS AND OPTICAL ARTICLES CONTAINING THEM - A naphthopyran compound represented by the formulae (I) to (II) wherein:—mi, Hi2, p, q are each an integer comprised from O to 4 or 5 inclusive;—Ri, R2 and R4, represent a group selected from halogen, H, —Ra, aryl, —OH, —ORa, —SH, —SRa, —NH2, —NR8RaI, —NRbRc, —NRaI-CORa, —NRaiCO(aryl), —NRai aryl, —N-aryfe, —N(aryl)CO(aryl), —CO—R3, —CO2R3I, —OC(O)—Rd, and —X—(Re)—Y, and linear or branched (Ci-Ci8) perfluoroalkyl group, wherein R3, RaI, Rb, Rc, X, Y, Re, Rd are as defined into the description;—Zi re resent a group selected from: (formules) | 05-26-2011 |
| 20110116151 | MULTILAYER STRUCTURE HAVING A PHOTOCHROMIC HOST MATRIX AND MANUFACTURING METHOD - A photochromic structure includes a plastic support of optical grade with good light transparency, having at least one face with an adhesive layer impregnated with a solution of a solvent with photochromes, having a flexible host matrix for the photochromes, which is mounted by adhesion onto another support. A structure with a uniform flexible photochromic matrix, which has rapid transition times, notably a rapid relaxation time, is thus obtained. The structure is mountable, and advantageously repositionable. It is produced via a process using roll-milling combined with a system for dispensing the solvated solution of photochromes upstream of the rolls, via which a support strip of an adhesive is entrained by the rolls, and the adhesive is gradually impregnated and then laminated on another support. | 05-19-2011 |
| 20110070364 | METHOD FOR HOLDING A LENS FOR DIP TREATMENT THEREOF - Method for dip treatment of an optical element, wherein the optical element is held, while it is being dipped, by a holding ring, the ring including a hoop for draining and encircling a peripheral edge of the optical element, thereby exerting continuous linear contact with the peripheral edge, the hoop forming an arc over more than 180° and being provided at each of its two ends with an outwardly-directed drip tab pointing away from the optical element. | 03-24-2011 |
| 20110066276 | METHOD FOR GENERATING A TRIMMING SETPOINT FOR AN OPHTALMIC LENS - A method for generating a trimming setpoint for an ophthalmic lens for it to be mounted in a surround of a spectacle frame, includes:
| 03-17-2011 |
| 20110031637 | Lens Blocking and Deblocking Method and Related Device - A method of deblocking a lens component ( | 02-10-2011 |
| 20110020604 | Curable Coating Compositions Providing Antistatic Abrasion Resistant Coated Articles - Curable composition providing, upon curing, an abrasion resistant, transparent, antistatic coating comprising: —a) at least one conductive polymer, —b) colloidal particles of at least one non-conductive oxide, —c) at least one binder comprising at least one epoxysilane having at least two hydrolysable groups directly linked to the Si atom of the epoxysilane, and/or its hydrolysis product, said at least one conductive polymer and said colloidal particles of at least one non-conductive oxide being substantially not agglomerated, the content of said conductive polymer in the dry extract of said curable composition ranging from 0.1 to 10% by weight, preferably from 0.2 to 10% by weight and the content of the dry extract of said at least one epoxysilane in the dry extract of said curable composition ranging from 20 to 80%, preferably 25 to 60% by weight based on the total weight of the dry extract. | 01-27-2011 |
| 20110013136 | ELECTRICALLY CONTROLLABLE OPTICAL COMPONENT COMPRISING AN ARRAY OF CELLS - An electrically controllable optical component ( | 01-20-2011 |
| 20110009591 | High Index and High Impact Resistant Poly(thio)urethane/Urea Material, Method of Manufacturing Same and Its Use in the Optical Field - A transparent, non elastomeric, high refractive index, impact resistant poly(thio)urethane/urea material comprising the reaction product of: a) at least one (α, ω)-diiso(thio)cyanate cycloaliphatic or aromatic polysulfide prepolymer, and b) at least one aromatic primary diamine, in an equivalent molar ratio amine function/iso(thio)cyanate function ranging from 0.5 to 2, wherein, said prepolymer and diamine are free from disulfide (—S—S—) linkage and wherein the (α, ω)-diiso(thio)cyanate polysulfide prepolymer is the reaction product of at least one cycloaliphatic or aromatic diiso(thio)cyanate and at least one (α, ω)-diol prepolymer. | 01-13-2011 |
| 20110001925 | PRODUCTION OF A NOVEL PROGRESSIVE GLASSES LENS - The invention relates to a method for producing a new progressive eyeglass intended for a presbyopic wearer ( | 01-06-2011 |
| 20100310874 | Optical Article Having a Dual Layer Temporary Coating - The optical article of the invention comprises on at least one of its main surfaces an outer hydrophobic and/or oleophobic coating and in direct contact with the outer hydrophobic and/or oleophobic coating a dual-layer temporary coating, characterized in that the dual-layer temporary coating comprises a first layer, in direct contact with the outer hydrophobic and/or oleophobic coating selected from halogenated olefin polymers and polyurethanes, and a second layer, deposited on the first layer, of a polymer or polymer mixture acting as a water barrier. | 12-09-2010 |
| 20100309430 | METHOD OF PREPARING AN OPHTHALMIC LENS WITH SPECIAL MACHINING OF ITS ENGAGEMENT RIDGE - A method of preparing an ophthalmic lens for mounting in a surround of an eyeglass frame includes an acquisition step of acquiring a first longitudinal profile of the surround and an orientation parameter of the first longitudinal profile relative to a horizon line or a verticality line of the surround, and an edging step of edging the ophthalmic lens so as to form a generally profiled engagement ridge of desired section that extends along a second longitudinal profile ( | 12-09-2010 |
| 20100309429 | VISUAL DEVICE INCLUDING AN OPHTHALMIC LENS HAVING A PARTIALLY CROPPED INSERTION RIB, AND METHOD FOR PREPARING SUCH LENS - Visual equipment includes an ophthalmic lens having an edge face provided with an engagement ridge. Also described is a method of preparing such equipment. The engagement ridge includes at least fifteen bearing sections alternating with as many free singular sections, the free singular sections being smaller in width and/or in height by at least 0.05 millimeters relative to the bearing sections (Sa). | 12-09-2010 |
| 20100293251 | Asynchronous Method for Obtaining Spectacle Features to Order - A method and a computer system and its components for providing a spectacle frame adapted to a future wearer. The method comprises the steps of storing in a memory of a server (SER) a first set of data (F | 11-18-2010 |
| 20100293192 | Method and Computer Means for Choosing Spectacle Lenses Adapted to a Frame - A method and a computer system and its components for providing spectacles adapted to a future wearer. The method comprises the steps of: inputting in a computer system a first set of data (F | 11-18-2010 |
| 20100290002 | Method for Determining a Contour Data Set of Spectacle Frame Rim - A method for determining a contour data set of a spectacle frame rim comprising the steps of: a) providing a plurality (N) of three dimensional measured points along a contour of a spectacle frame rim; b) calculating a plurality of best torus that fits P points chosen among the N measured points and where P is equal or more than 4; c) selecting the (T) points among the N measured points that deviate from one of the best torus more than a threshold value; and d) forming the contour data set with (N-T) three dimensional measured points where the T selected points of step c) are excluded from the list of three dimensional measured points of step a). | 11-18-2010 |
| 20100283966 | Method for Selecting Base-Curves for an Ophthalmic Lens and Related Spectacle Lens Manufacturing Method - A method for selecting base-curves for an ophthalmic lens according to given prescription data comprising the steps of: providing a base-curve series consisting of a plurality of base-curves; calculating a target lens according to the prescription data; calculating the base-curves calculated lenses according to the prescription data; selecting, for at least an optical parameter and/or a geometrical parameter, a threshold value for the difference between the base-curves calculated lenses values and the target lens value of said parameter(s); determining the list of the base-curves of the base-curve series where said difference for said parameter(s) is less or equal to the selected threshold value(s). | 11-11-2010 |
| 20100283965 | Method of Selecting a Semi-Finished Ophthalmic Lens According to a Given Spectacle Frame - A method of selecting a semi-finished ophthalmic lens according to a given spectacle frame comprising the steps of: providing the spectacle frame front face base data providing a list of semi-finished ophthalmic lenses with a plurality of front face bases, and selecting from the list of semi-finished ophthalmic lenses the semi-finished ophthalmic lens whose front base is the closest from the front base of the spectacle frame. | 11-11-2010 |
| 20100283964 | PRODUCTION OF AN OPHTHALMIC EYEGLASS INTENDED FOR A WEARER - A method for producing an ophthalmic glass ( | 11-11-2010 |
| 20100283774 | TRANSPARENT COMPONENT WITH SWITCHABLE REFLECTING ELEMENTS, AND DEVICES INCLUDING SUCH COMPONENT - The invention relates to a transparent component ( | 11-11-2010 |
| 20100265459 | METHOD FOR TREATING A LENS APT TO TRIMMING AND LENS APT TO TRIMMING - A method for treating an ophthalmic lens comprising two main sides, wherein at least one side comprises an organic or mineral external layer coated with a MgF | 10-21-2010 |
| 20100259717 | CURVED DISC FOR MODIFYING A POWER OF AN OPTICAL COMPONENT - Disc designed to be attached to a concave curved surface of an optical component to modify an optical power of said component, the disc comprising a Fresnel lens made up of a series of Fresnel regions of spherical general shape, in which the changes of height between successive Fresnel regions are located on a concave face of the disc, and in which said Fresnel regions are made out in a special distribution. A disc of this kind maintains the dioptric quality without introducing distortions. | 10-14-2010 |
| 20100247890 | Optical Article Comprising a Temporary Layer of Aliphatic Thermoplastic Polyurethane and Use in Edging - The optical article of the invention is characterized in that it comprises on one of the main surfaces thereof an external hydrophobic and/or oleophobic coating, a dried temporary coating of a composition comprising, preferably consisting in, one or more aliphatic thermoplastic polyurethane(s) having a polyether or polyester backbone directly deposited onto the external hydrophobic and/or oleophobic coating. | 09-30-2010 |
| 20100228375 | DEVICE AND A METHOD FOR PREPARING AN OPHTHALMIC LENS FOR MACHINING - A preparation device ( | 09-09-2010 |
| 20100218874 | METHOD OF APPLYING MULTI-LAYER STRUCTURE ONTO A CURVED SUBSTRATE - A curved multi-layer structure ( | 09-02-2010 |
| 20100210750 | ABRASION-RESISTANT TINTABLE COATING - A curable coating composition includes:
| 08-19-2010 |
| 20100208197 | Progressive Ophthalmic Lens for Myopia Correction and Method for Making Such a Lens - A progressive ophthalmic lens for the correction of myopia, that comprises an upper area in which the correction is adapted for peripheral vision of the wearer. Such a lens reduces the risk of long term worsening of myopia for the lens wearer by reducing the defocalisation of an image formed on the retina outside the foveolar area. Also disclosed is a method for making such a lens. According to one improvement, the correction of myopia for the peripheral vision in the upper area of the lens is further adjusted based on a tendency of the wearer to turn the eyes or the head for watching an eccentric object. | 08-19-2010 |
| 20100203240 | METHOD FOR SPIN COATING A SURFACE OF AN OPTICAL ARTICLE - A method for spin coating a surface of an optical article, includes the steps of:
| 08-12-2010 |
| 20100193112 | METHOD FOR STICKING A FILM ONTO A CURVED SUBSTRATE - A method sticks onto a curved surface of a substrate a functional film ( | 08-05-2010 |
| 20100189889 | Method for Treating the Surface of a Substrate Based on Sulphur Polymer, Intended to be Covered with a Coating - The invention relates to a method for treating at least one surface of a substrate based on sulphur polymer intended to be covered with a coating, said method comprising, prior to depositing the coating onto the surface of the substrate, a step of bringing the surface of the substrate into contact with a treating composition comprising at least one reducing agent. | 07-29-2010 |
| 20100184356 | DEVICE FOR MACHINING AN OPHTHALMIC LENS - The shaper device for shaping an ophthalmic lens comprises a blocking support on a blocking axis, a shaper tool, an electronic or computer unit for controlling the position of said shaper tool, and a man/machine interface connected to said electronic or computer unit, and comprising a display screen ( | 07-22-2010 |
| 20100183857 | Optical Article Coated with an Antireflection Coating Comprising a Sublayer Partially Formed under Ion Assistance and Manufacturing Process - The invention relates to an optical article provided with antireflection properties, comprising a substrate having at least one main surface coated with an antireflection coating comprising, starting from the substrate:
| 07-22-2010 |
| 20100178858 | OPTICAL GRADE SURFACING DEVICE - A surface device includes a rigid holder ( | 07-15-2010 |
| 20100171253 | OPTICAL LENS HOLDER FOR HOLDING LENSES DURING MANUFACTURING PROCESS - Lens holder ( | 07-08-2010 |
| 20100157243 | METHOD OF PREPARING AN OPHTHALMIC LENS FOR MOUNTING IN A CAMBERED EYEGLASS FRAME - A preparation method includes:
| 06-24-2010 |
| 20100149484 | METHOD FOR THE DETERMINATION OF A PROGRESSIVE OPHTHALMIC LENS - A method for the determination of a progressive ophthalmic lens for a given wearer comprises the states of:
| 06-17-2010 |
| 20100144918 | Method for Preparing a Colloidal Zirconia Solution - A method for preparing a colloidal solution of non-aggregated zirconia particles, comprising the following steps:
| 06-10-2010 |
| 20100136290 | Method for Producing an Article Made of a Transparent Material Devoid of Visible Surface Lines and The Thus Obtained Article - A method for producing an article which is made of a transparent material and devoid of visible surface lines consists in producing a substrate which is made of a transparent material having a refractive index ns, whose at least main face is machined and polished in such a way that the Ra value thereof ranges from 0.001 to 0.1 μm, but has visible surface defects in the form of thin individual scratches, in deposing, a liquid polymerisable composition of a masking coating, whose contact angle with said substrate main face is equal or less than 30° and which is formed by polymerising a masking coating having a refractive index nc such as 0.01<|ns−nc|=0.15 and a thickness less than 10 micrometers, directly on the machined and polished main face of the substrate, in polymerising the masking coating composition and in removing the transparent article. | 06-03-2010 |
| 20100128220 | METHOD OF MEASURING THE POSITION, IN A HORIZONTAL DIRECTION IN THE SAGITTAL PLANE, OF A REMARKABLE POINT OF AN EYE OF A SUBJECT - The present invention relates in general to taking geometrico-morphological measurements on a subject. More particularly, the invention relates to a method of measuring the position of a remarkable point of the subject's eye. The method includes amongst others, the steps of capturing images in different relative postures (APIV | 05-27-2010 |
| 20100118260 | PIXELIZED OPTICAL COMPONENT WITH NANOWALLS - An optical component comprises a transparent network of cells juxtaposed and separated by walls parallel to a surface of the component, each cell being hermetically sealed and comprising at least one substance with an optical property, and all or part of the surface of said component comprises walls less than 100 nm thick. The optical component is thus pixelized by a cell network, the cells being separated by walls which may themselves be pixelized. Such an optical component is particularly useful for making optical elements such as ophthalmic lenses. | 05-13-2010 |
| 20100102025 | METHOD AND APPARATUS FOR MARKING COATED OPHTHALMIC SUBSTRATES OR LENS BLANKS HAVING ONE OR MORE ELECTRICALLY CONDUCTIVE LAYERS - A method for marking an ophthalmic substrate or other ophthalmic article comprising the steps of
| 04-29-2010 |
| 20100094589 | METHOD OF CORRECTING THE SHAPE OF A SENSED CURVE APPROXIMATING A LONGITUDINAL TRACE OF A BEZEL OF AN EYEGLASS FRAME, AND A METHOD OF ACQUIRING THE SHAPE OF AN OUTLINE OF SUCH A BEZEL - The correction method includes searching for one or more anomalous zones (S | 04-15-2010 |
| 20100092068 | DEVICE FOR DETERMINING THE POSITION AND/OR THE TRANSVERSE DIMENSION OF A DRILL HOLE IN A PRESENTATION LENS FOR RIMLESS EYEGLASSES - The device includes: bearing element ( | 04-15-2010 |
| 20100085536 | Ophthalmic Eyeglass Correcting Both Foveal Vision and Peripheral Vision - An ophthalmic eyeglass ( | 04-08-2010 |
| 20100085535 | Multifocal Ophthalmic Eyeglass - A multifocal ophthalmic eyeglass ( | 04-08-2010 |
| 20100079722 | OPTHALMIC PROGRESSIVE ADDITION LENS WITH CUSTOMIZED DESIGN FEATURE - A method for manufacturing an ophthalmic progressive addition lens ( | 04-01-2010 |
| 20100060850 | COLOURED OPHTHALMIC LENSES FOR PEOPLE WITH DYSLEXIA - The invention relates to an ophthalmic lens comprising, on its surface, a coloured zone the extent of which is limited to the zone of the lens explored by the eye of the user when reading, the remainder of the lens being colourless. | 03-11-2010 |
| 20100060848 | Method For Manufacturing Ophthalmic Lenses Using Circular Blanks - For manufacturing ophthalmic lenses and other optical form bodies made of plastic material, plastic form parts are used which are made by non-cutting shaping and are then further worked by mechanical production steps. Said plastic form parts are circular blanks ( | 03-11-2010 |
| 20100053550 | MULTI-TINT COLOURED OPHTALMIC LENSES - The invention relates to an ophtalmic lens comprising, on its surface, a first central zone preferentially transmitting the long wavelengths of the visible spectrum, and a second peripheral zone preferentially transmitting the short wavelengths of the visible spectrum. | 03-04-2010 |
| 20100045931 | Short Channel Progressive Addition Lenses - Designing a progressive addition lens includes using scaled surface powers and/or cylinder powers of base curves to determine a set of power targets, and using these targets to determine a lens design. | 02-25-2010 |
| 20100038264 | PACKAGING FOR OPTHALMIC LENS - The invention relates to a packaging for an ophthalmic lens ( | 02-18-2010 |
| 20100033824 | Optical Article Comprising a Multilayer Anti-Reflective Coating and Method Of Production Thereof - The invention relates to an optical article, for example, an ophthalmic lens, comprising at least one multilayer anti-reflective coating on a transparent substrate made from organic or mineral glass. Said coating comprises successively and starting at the substrate, a layer of material with high refractive index (HI), made from a hybrid organic/inorganic matrix within which are dispersed particles of mineral oxide or chalcogenide with a diameter of 2 to 50 nm and a layer of material with low refractive index (BI), obtained by hardening of a composition comprising at least one silane precursor (I) with 4 hydrolysable groups and at least one fluorosilane precursor (II), said second composition comprising at least 10% in mass of fluorine in a theoretical dry extract and with a molar ratio I/I+II greater than 80% | 02-11-2010 |
| 20100016463 | ABRASION-RESISTANT OPTICAL ARTICLE AND PROCESS FOR MANUFACTURING THEREOF - An optical article includes a transparent substrate and an abrasion-resistant layer appended to at least one surface of the substrate. The abrasion-resistant layer results from the reaction mixture of:
| 01-21-2010 |
| 20100009603 | MACHINE FOR SHAPING AN EYEGLASS LENS, THE MACHINE BEING PROVIDED WITH A TURNABLE TOOL-CARRIER HAVING A PLURALITY OF WORKING TOOLS MOUNTED THEREON - The machine includes: elements for supporting the lens and for driving it in rotation about a first axis of rotation, the rotation of the lens being driven by first driver element, a tool-carrier mounted to turn about a second axis of rotation, turning of the tool-carrier being driven by second driver element, a plurality of working tools mounted on the tool-carrier to rotate about tool axes, with at least two of the tools including tools for shaping the periphery of the lens for shaping having distinct tool axes, third driver element for driving relative spacing movements between the first axis of rotation and the second axis of rotation, swivel elements for enabling the tool-carrier to be pivoted relative to the first axis of rotation about a third axis of rotation that extends substantially transversely to the first axis of rotation. | 01-14-2010 |
| 20100007847 | PROCESS FOR MANUFACTURING A SERIES OF OPHTHALMIC LENSES AND SHEET OF FILM USED IN SUCH A PROCESS - According to a process for manufacturing a series of ophthalmic lenses, each lens consists of a substrate and a film portion ( | 01-14-2010 |
| 20100007846 | Disk for Modification of the Power of an Optical Component - A disk enabling modification of the power of an optical component consists of a Fresnel lens. The disk is initially formed with a general rounded shape which corresponds to the shape of the optical component. In this way, the disk does not lose its shape or does not lose it very much when it is applied against the component. It does not cause image distortion or optical aberration when an object is observed through the component provided with the disk. Such a disk is particularly adapted to obtain correction of ametropia or to a solar mask initially lacking optical power | 01-14-2010 |
| 20100006219 | METHOD OF APPLYING A COATING ON A FACE OF A LENS, AND APPARATUS FOR IMPLEMENTING SUCH A METHOD - Described is a method and a device for applying a coating film ( | 01-14-2010 |
| 20100003508 | OPTICAL ARTICLE WITH ANTISTATIC AND ANTIABRASIVE PROPERTIES, AND METHOD FOR PRODUCING SAME - The present invention relates to an optical article comprising a substrate, and, from the substrate upward:
| 01-07-2010 |
