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ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE) Patent applications
Patent application numberTitlePublished
20120130524Method 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 (S05-24-2012
20120120477TRANSPARENT 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
20120113394METHOD 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
20120108144PREDICTIVE 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
20120106813CHARACTERIZATION OF A PERCEPTION OF BLUR - The invention relates to a method for characterizing a perception of blur by a subject (05-03-2012
20120070654Method 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
20120057122SPECTACLE 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
20120045577Antistatic 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
20120028005Optical 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
20120027933Process 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
20120019767Optical 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
20120016644METHOD 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
20120015179Conductive 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 R01-19-2012
20120013980APPARATUS 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
20120013979PROCESS 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
20120002168Method 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
20120002162METHOD 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
20110320029Processing 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
20110317128SPECTACLE 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 (D12-29-2011
20110305827Methods 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
20110295117DEVICE 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
20110292345DEVICE AND A METHOD FOR MEASURING A CHARACTERISTIC READING DISTANCE OF AN INDIVIDUAL IN A NEAR VISION NATURAL POSTURE - A measurement device (12-01-2011
20110279773METHOD 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 (Add11-17-2011
20110256804METHOD 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
20110248223Additives 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 R10-13-2011
20110223418Method 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
20110220487Protective 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
20110211245TRANSPARENT ELECTROACTIVE SYSTEM - The invention relates to a transparent electroactive system that includes two electrodes (09-01-2011
20110210019FOLDABLE 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
20110192998Linear 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
20110184830Method 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
20110165343FRESNEL 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
20110149234METHOD 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
20110146893Method of Bonding a Film to a Curved Substrate - A method of bonding a film (06-23-2011
20110141435Method 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
20110129599Provess 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
20110128496PRODUCTION 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
20110124272Lens Blocking and Deblocking Method and Related Device - A method for blocking and/or deblocking an optical lens (05-26-2011
20110122475PHOTOCHROMIC 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
20110116151MULTILAYER 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
20110070364METHOD 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
20110066276METHOD 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
20110031637Lens Blocking and Deblocking Method and Related Device - A method of deblocking a lens component (02-10-2011
20110020604Curable 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
20110013136ELECTRICALLY CONTROLLABLE OPTICAL COMPONENT COMPRISING AN ARRAY OF CELLS - An electrically controllable optical component (01-20-2011
20110009591High 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
20110001925PRODUCTION 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
20100310874Optical 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
20100309430METHOD 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
20100309429VISUAL 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 (F11-18-2010
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 (F11-18-2010
20100290002Method 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
20100283966Method 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
20100283965Method 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
20100283964PRODUCTION OF AN OPHTHALMIC EYEGLASS INTENDED FOR A WEARER - A method for producing an ophthalmic glass (11-11-2010
20100283774TRANSPARENT COMPONENT WITH SWITCHABLE REFLECTING ELEMENTS, AND DEVICES INCLUDING SUCH COMPONENT - The invention relates to a transparent component (11-11-2010
20100265459METHOD 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 MgF10-21-2010
20100259717CURVED 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
20100247890Optical 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
20100228375DEVICE AND A METHOD FOR PREPARING AN OPHTHALMIC LENS FOR MACHINING - A preparation device (09-09-2010
20100218874METHOD OF APPLYING MULTI-LAYER STRUCTURE ONTO A CURVED SUBSTRATE - A curved multi-layer structure (09-02-2010
20100210750ABRASION-RESISTANT TINTABLE COATING - A curable coating composition includes: 08-19-2010
20100208197Progressive 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
20100203240METHOD 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
20100193112METHOD FOR STICKING A FILM ONTO A CURVED SUBSTRATE - A method sticks onto a curved surface of a substrate a functional film (08-05-2010
20100189889Method 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
20100184356DEVICE 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
20100183857Optical 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
20100178858OPTICAL GRADE SURFACING DEVICE - A surface device includes a rigid holder (07-15-2010
20100171253OPTICAL LENS HOLDER FOR HOLDING LENSES DURING MANUFACTURING PROCESS - Lens holder (07-08-2010
20100157243METHOD OF PREPARING AN OPHTHALMIC LENS FOR MOUNTING IN A CAMBERED EYEGLASS FRAME - A preparation method includes: 06-24-2010
20100149484METHOD 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
20100144918Method 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
20100136290Method 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
20100128220METHOD 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 (APIV05-27-2010
20100118260PIXELIZED 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
20100102025METHOD 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
20100094589METHOD 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 (S04-15-2010
20100092068DEVICE 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
20100085536Ophthalmic Eyeglass Correcting Both Foveal Vision and Peripheral Vision - An ophthalmic eyeglass (04-08-2010
20100085535Multifocal Ophthalmic Eyeglass - A multifocal ophthalmic eyeglass (04-08-2010
20100079722OPTHALMIC PROGRESSIVE ADDITION LENS WITH CUSTOMIZED DESIGN FEATURE - A method for manufacturing an ophthalmic progressive addition lens (04-01-2010
20100060850COLOURED 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
20100060848Method 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
20100053550MULTI-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
20100045931Short 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
20100038264PACKAGING FOR OPTHALMIC LENS - The invention relates to a packaging for an ophthalmic lens (02-18-2010
20100033824Optical 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
20100016463ABRASION-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
20100009603MACHINE 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
20100007847PROCESS 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
20100007846Disk 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 power01-14-2010
20100006219METHOD 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
20100003508OPTICAL 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
20100002191PRODUCTION OF AN OPHTHALMIC ELEMENT ADAPTED FOR FORVEAL AND PERIPHERAL VISION - The invention relates to a method for making an ophthalmic member for correcting ametropia, that is adapted for correcting the central and peripheral vision of a wearer and takes into account the amplitudes of the movements of the wearer's eyes and head. A central area of the member, in which the central vision is corrected, is sized based on the amplitude of the eyes' movements in order to provide good visual comfort. The peripheral vision is corrected in a peripheral area of the ophthalmic member in order to prevent an increase of the wearer's ametropia in the long run.01-07-2010
20100002187PAIR OF OPHTHALMIC EYEGLASSES AND A METHOD OF FORMING AN ENGAGEMENT PERIPHERAL RIDGE ON THE EDGE FACE OF A LENS - A pair of eyeglasses includes: a frame provided with at least one rim presenting an internal bezel; and a lens mounted in the frame, the lens presenting a front face, a rear face, and on its edge face, an engagement peripheral ridge presenting a rear flank, situated beside the rear face of the lens and a front flank situated beside the front face of the lens, the front and rear flanks being engaged in the internal bezel. The front flank of the engagement peripheral ridge presents continuity of at least first order with the remainder of the front face. The edge face of the lens presents a rear shoulder or foot, and in that the radial height of the engagement peripheral ridge considered between the peak of the peripheral ridge and the foot varies along the periphery of the lens.01-07-2010
20090311518Photocurable Acrylic Coating Compositions Having Good Adhesion Properties to a Subsequent Coating and Corresponding Coated Substrates - An abrasion resistant photocurable acrylic coating composition that can provide good adhesion to subsequent coatings deposited thereon, and a hard coated article, especially an optical article such as an ophthalmic lens, comprising a substrate coated with a coating obtained from the above abrasion resistant acrylic coating composition providing good subsequent adhesion.12-17-2009
20090310081LENS HOLDING FRAME - A lens holding frame for holding lenses, both in front of the projection optics of an HMD device and in front of the eye portion of a wearer of the HMD device, the lens holding frame including a nose bridge, the HMD device including a nose pad arranged to support the nose bridge, and at least one correction lens. The lens holding frame is arranged to be stretched out of its original shape under a manual pressure to at least one transitional shape, and includes connecting elements arranged to connect in a reversible manner the HMD device to the lens holding frame being in a transitional shape and having its nose bridge supported by the nose pad of the HMD device.12-17-2009
20090304472METHOD AND MACHINE TOOL FOR MACHINING AN OPTICAL OBJECT - Method for machining a face (12-10-2009
20090291206Process for Applying a Coating onto a Fresnel Lens Forming Surface - Disclosed is a process for coating at least one geometrically defined surface of an optical article's substrate. The process can include: (a) providing a removable carrier made of plastic material and having an internal surface and external surface; (b) providing an optical article comprising a substrate having at least one geometrically defined surface forming a Fresnel lens; (c) depositing a curable coating composition onto either the at least one surface forming a Fresnel lens; (d) moving the carrier and optical article relatively to each other; (e) applying a pressure onto the external surface of the carrier to spread out the curable coating composition to cover said at least one surface forming a Fresnel lens; (f) curing the layer of curable coating composition; (g) withdrawing the removable carrier to recover the substrate of the optical article having at least one Fresnel lens forming surface coated with the cured coating composition.11-26-2009
20090262436Producing a Transparent Optical Element Comprising a Substance Contained in Cells - The invention concerns a method for producing a transparent optical element (10-22-2009
20090219486METHOD FOR OPTIMIZING AND/OR MANUFACTURING EYEGLASS LENSES - A method for determining an optimal eyeglass lenses design for a viewer (09-03-2009
20090174862METHOD 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 MgF07-09-2009
20090174098Method for Manufacturing an Ophthalmic Lens Using a Photoactive Material - Method for manufacturing an ophthalmic lens (07-09-2009
20090169870Carbon Nanotube-Based Curable Coating Composition Providing Antistatic Abrasion-Resistant Coated Articles - The present invention relates to a curable composition, providing, upon curing, an abrasion-resistant, transparent, antistatic coating, comprising carbon nanotubes and a binder comprising at least one epoxysilane compound, preferably an epoxyalkoxysilane, and optionally fillers such as nanoparticles of non electrically conductive oxides and/or additional binder components such as tetraethoxysilane. The invention further relates to optical articles comprising a substrate, and, starting from the substrate, an abrasion- and/or scratch-resistant coating, and an antistatic coating formed by depositing directly onto said abrasion- and/or scratch-resistant coating the above referred curable composition. The obtained optical articles exhibit antistatic properties, high optical transparency with about 91-92% of transmittance, low haze and improved abrasion resistance.07-02-2009
20090169859Article Comprising a Mesoporous Coating Having a Refractive Index Profile and Methods for Making Same - The present invention relates to an article comprising a substrate having a main surface coated with a coating, part of which at least is mesoporous and has a refractive index profile with optical function, whose variation is imposed by the mesopore content and/or the filling ratio of the mesopores.07-02-2009
20090168015METHOD FOR PROVIDING DUAL SURFACE PROGRESSIVE ADDITION LENS SERIES - Designing spectacle lens blanks for a dual-surface progressive addition lens (PAL) comprising determining a prescription range from a first set of first designs to produce a second set of first designs satisfying the prescription range, determining a common surface using the second set of first designs, and using the common surface to produce a set of second designs satisfying the prescription range.07-02-2009
20090165932PROCESS FOR APPLYING A LAYERED STRUCTURE ON A LENS - The invention relates to an improvement for applying a layered structure (07-02-2009
20090143545Thermosetting Poly(thio)urethane Formulation Comprising at Least One Block Copolymer and Use Thereof in Optics for the Production of Organic Lenses Having Improved Toughness - The invention relates to a polymerisable liquid mixture comprising: (a) a polymerisable thermosetting composition which is a precursor by polymerisation of a first thermoset polymer material, said composition containing at least one polythiol and/or one polyol, preferably a polythiol, and at least one polyiso(thio)cyanate; and (b) a second polymer material solubilised in the aforementioned polymerisable thermosetting composition, whereby the second material (i) contains at least one block copolymer comprising at least two polymer blocks A and B, namely an elastomer block A and a hydrophilic block B, and, following polymerisation of the polymerisable mixture, (ii) forms domains which are rich in elastomer block A and which are dispersed throughout the first material, said domains being smaller than 80 nanometers and preferably smaller than 50 nanometers. The invention also relates to a transparent article having improved toughness, which is produced by means of polymerisation of the above-mentioned polymerisable mixture, comprising an alloy of a first thermoset polymer material forming the matrix of said article and of a second polymer material which is dispersed throughout said first material. The aforementioned articles have improved resistance to impact and to crack propagation. The invention is suitable for use in ophthalmic optics.06-04-2009
20090115962RANDOMLY PIXELLATED OPTICAL COMPONENT, ITS FABRICATION METHOD AND ITS USE IN THE FABRICATION OF A TRANSPARENT OPTICAL ELEMENT - An optical component (05-07-2009
20090092751INFLATABLE MEMBRANE APPARATUS AND PROCESS FOR TRANSFERRING A COATING ONTO A SURFACE OF A LENS BLANK - An inflatable membrane apparatus (04-09-2009
20090071591Process for Applying a Coating Film onto a Surface of a Lens Substrate - A process for applying a coated or uncoated film onto a first main surface of a lens substrate which can be implemented in a short period of time without any risk of deformation of the lens substrate and which avoids overheating of a temperature sensitive coating borne by a second main surface of the lens substrate opposite to the first main surface. The process combines a unique heating and UV as an activation step for the adhesives. Also contemplated are lenses produced by the process.03-19-2009
20090059383Process for Edging Optical Lenses - A process for edging an optical lens for conforming the optical lens to the size and shape of a lens frame into which the optical lens is to be accommodated, said process comprising: a) providing an optical lens having a convex surface, the convex surface being provided with an anti-smudge topcoat rendering the optical lens inappropriate for edging; b) fixing a mounting element on the convex surface of the optical lens, preferably on its center, by means of an adhesive pad adhering both to the mounting element and the convex surface of the optical lens to form a mounting element/optical lens assembly; c) placing the mounting element/optical lens assembly in a grinding machine so that the optical lens is firmly maintained; and d) edging the optical lens to the intended size and shape, wherein, prior to step (b) of fixing the mounting element, the anti-smudge topcoat on the convex surface of the optical lens is pre-treated with a solvent selected from the group consisting of alkanols and dialkylketones under a mechanical stress.03-05-2009
20090054547METHOD FOR THE PREPARATION OF A TRANSPARENT MOULDING BASED ON A BLEND OF THERMOPLASTIC POLYMER AND THERMOSETTING POLYMER - The present invention relates to a method of preparing a transparent moulding comprising a blend of a first thermoset polymeric material forming the matrix of said moulding, and of a second polymeric material dispersed within said first material, said method comprising at least the following stages: 02-26-2009
20090011685Polishing Machine Comprising Sliding Means Transverse to the Front Face - A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindle and to the polishing tool. The polishing tool is mounted on a body which is rotationally mounted on sliding members by way of a first axis, the sliding members being substantially perpendicular to the front face.01-08-2009
20090011684Polishing Machine Comprising a Work Chamber and a Platform - A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.01-08-2009
20080304008Article 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.12-11-2008
20080292787Edging Process of Lens Using Transparent Coating Layer for Protecting Lens - The present invention relates to a process of edging a lens comprising forming a lens-protective transparent coating layer on the surface of the lens. When the lens coated with a transparent coating layer comprising a fluorine-containing elastomer and optionally a fluorine-containing organosilane compound and having a surface energy of less than 15 mJ/m11-27-2008
20080273246Method of Manufacturing an Ophthalmic Lens for Providing an Optical Display - The invention relates to a method of manufacturing a vision correction lens that has a front face and a rear face, and into which light beams emitted by an optical element of a light beam generator system are introduced via an entry surface and directed towards the eye of the wearer to enable information content to be viewed, said light beams being reflected a plurality of times between two “reflection” faces between being introduced into the lens and exiting therefrom, said two reflection faces being faces of a transparent optical insert constituted by a light guide. According to the invention, said insert is completely contained within the lens.11-06-2008
20080272763Antistatic Demonstrator - The present invention relates to a device for demonstrating the antistatic properties of at least one first transparent glass substrate, at least part of one of the main surfaces of which is an antistatic surface, said device comprising a hollow box having an upper surface provided with at least one window to which said first transparent glass substrate is fitted, wherein said box contains elements capable of moving under the action of electrostatic attraction, said elements being chosen from cellular particles of synthetic or natural polymers, individualized fibres of synthetic or natural polymers and their blends.11-06-2008
20080252846Polarizing Ophthalmic Lens Adapted to a Wearer's Eye/Head Behavior - The invention relates to a method for producing a polarising ophthalmic lens adapted to the eye/head behaviour of the wearer thereof and to said lens. The inventive ophthalmic lens comprises several areas associated to differently oriented polarising filters. The size and position of at least certain areas are determined according to the lens wearer's eye/head behaviour.10-16-2008
20080213473Method 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.09-04-2008
20080212023Pixellized Optical Component with Apodized Walls, Method for Making Same and Use thereof in Making a Transparent Optical Element - The invention concerns a transparent optical component (09-04-2008
20080212017Pixellized Transparent Optical Component Comprising an Absorbing Coating, Production Method Thereof and Use Thereof in an Optical Element - A transparent optical component (09-04-2008
20080207092Method of Centering a Non-Edged Ophthalmic Lens in Which the Centering Point of the Lens is Offset Relative to Its Geometric Center - The invention relates to a method for centering an uncut single vision ophthalmic lens (08-28-2008
20080206470Method 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 a 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.08-28-2008
20080198325Ophthalmic Lens Comprising a Layer Having a Variable Refractive Index - An ophthalmic lens (08-21-2008

Patent applications by ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)