Patents Assigned to ESSILOR INTERNATIONAL (COMPAGNIE GENERALS D' OPTIQUE)
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Patent number: 9974435Abstract: A quality control method for optometric measurements includes the following steps: (a) recording, via computer, a first record (14) that includes at least one first value of a first identifier (12), enabling identification of a glasses wearer (1), and at least one other value of another identifier (13) enabling identification of an optometric apparatus (15) on a first optometric measuring site (10); (b) carrying out at least one optometric measurement (16) of the wearer; (c) sending, to a second site (20), a digital measurement data set (18) including the optometric measurement result from step (b), the digital data set being linked, via computer, to the first record; and (d) digitally processing the optometric measurement result from the first record (14) on the basis of a digital data reference system (45) and the values of the respective identifiers of the glasses wearer and the optometric apparatus of the first record.Type: GrantFiled: October 17, 2014Date of Patent: May 22, 2018Assignee: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUE)Inventors: Ahmed Haddadi, Marie-Anne Berthezene, Isabelle Poulain, Cecile Petignaud, Loic Levraud, Sebastien Gayat, Fabien Divo, Benjamin Rousseau
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Publication number: 20150306722Abstract: A lens blocking/deblocking method/device to adhere an ophthalmic lens to a lens holding block A method for blocking an optical lens component (100) on holding unit (200) having bottom part (230) inserted and fixed in lens machining tool (400) and an upper part (250) having upper assembling surface (210) and external side parts (241).The method provides the optical lens component (100) with layer (320) of one-side adhesive tape arranged on bottom of component (100) to cover at least partially bottom (120); (S20) providing thermoplastic material on upper assembling surface (210). The thermoplastic material is heated where a part thereof flows under moderate pressure; (S30) placing the optical lens (100) with layer (320) on thermoplastic material when the thermoplastic is softened; (S40) applying pushing force (P1) on the optical lens (100), to spread the thermoplastic between layer (320) and upper assembling surface (210) and covers external side parts (241).Type: ApplicationFiled: December 13, 2013Publication date: October 29, 2015Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUEInventor: Yohann FELTEN
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Publication number: 20150103310Abstract: An ophthalmic lens having a front and back face, at least one including a filter, which provides the main face/filter with the following properties: an average blue reflectance factor within a wavelength ranging from 420-450 nm, which ?5%, for an angle of incidence ? ranging from 0°-15°, a spectral reflectivity curve for ?, having: a maximum reflectivity at a wavelength <435 nm, and a full width at half maximum ?80 nm, and for ? ranging from 0°-15° and for ?? ranging from 30°-45°, a parameter ?(?,??)=1?[R??, (435 nm)/R?(435 nm)], such that ?(?,??)?0.6, where R?(435 nm) represents the reflectivity value of the main face/filter at a wavelength of 435 nm for ?, and R??(435 nm) represents the reflectivity value of the main face/filter at a wavelength of 435 nm for ??.Type: ApplicationFiled: May 16, 2013Publication date: April 16, 2015Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUE)Inventors: Francisco De Ayguavives, Helene Maury
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Publication number: 20140375950Abstract: A method of processing an order request for an ophthalmic lens to be manufactured by a manufacturing device includes the following steps: receiving an order request including at least information related to an ophthalmic wearer's prescription by a first processing device; processing the order request by the first processing device on the basis of predetermined processing rules so as to obtain manufacturing parameters to be applied to the manufacturing device so as to manufacture the ophthalmic lens according to the information included in the order request; sending and storing the manufacturing parameters identified as requiring a further modification to a storing device and sending the other manufacturing parameters to the manufacturing device; modifying the stored manufacturing parameters by a second processing device and sending the modified manufacturing parameters to the manufacturing device.Type: ApplicationFiled: December 14, 2012Publication date: December 25, 2014Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUE)Inventors: Laurent Marcepoil, Jerome Concialdi, Frederic Dubois
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Publication number: 20140316554Abstract: A system and method of generating machine marking instructions for marking an ophthalmic lens is disclosed. The method comprises the steps of receiving lens order data related to a lens order, receiving an initial marking layout and calculating, using the lens order data, ophthalmic lens data of an ophthalmic lens related to the lens order. The method also comprises the steps of determining, using the ophthalmic lens data, marking parameters relating to the ophthalmic lens, producing an additional marking layout by modifying the initial marking layout using the marking parameters and the lens order data, the additional marking layout representing the markings to be applied to the ophthahmc lens, and generating machine marking instructions arranged to cause a marking machine to mark the ophthalmic lens in accordance with the additional marking layout.Type: ApplicationFiled: December 14, 2012Publication date: October 23, 2014Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUE)Inventors: Florence Legrand, Robert Pellegris, Vincent Roblot, Laurent Marcepoil, Sebastien Maurice, Frederic Dubois
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Publication number: 20140192345Abstract: An eyeglass support is adapted for pinch-holding the eyeglass (5) between three first contact portions (41-43) and three second contact portions (61-63). The first contact portions form a height reference for positioning the eyeglass whereas the second contact portions ensure application of the eyeglass against the first contact portions while conforming to any possible shape for the eyeglass. The support suits for being incorporated in a reflection measurement apparatus. In particular, it is useful for measuring reflection of eyeglasses provided with antireflecting coatings or for rating a protection against UV hazards which is provided by an eyeglass to a wearer of the eyeglass.Type: ApplicationFiled: March 14, 2014Publication date: July 10, 2014Applicant: ESSILOR INTERNATIONAL COMPAGNIE GENERAL D'OPTIQUEInventors: Olivier POPHILLAT, Stephane GUEU
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Patent number: 8753551Abstract: A method of manufacturing an optical lens that is configured to correct high order aberrations. One embodiment is a method of customizing optical correction in an optical system. The method includes measuring optical aberration data of the optical system. The method further includes calculating a lens definition based on the optical aberration data. Calculating the lens definition may include calculating a correction of at least one high order optical aberration. The method further includes fabricating a correcting lens based on the lens definition.Type: GrantFiled: December 16, 2011Date of Patent: June 17, 2014Assignee: Essilor International (Compagnie General d'Optique)Inventors: Jagdish M. Jethmalani, Laurence Warden, Shui T. Lai, Andreas W. Dreher
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Patent number: 8685292Abstract: 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 (1) made of two different plastic materials which are firmly joined to each other. Thereby, an interior lens element (2) that consists of a high-quality material is concentrically surrounded by a ring fixture (3) which consists of a low priced material. Either surface of the lens element (2) may feature any given geometry. During mechanical working, the ring fixture (3) is used for mounting as well as for depositing and, in addition, for stabilizing the workpiece (9). For this reason it is partially maintained throughout the mechanical working and is cut off at the end only.Type: GrantFiled: August 20, 2004Date of Patent: April 1, 2014Assignee: Essilor International (Compagnie General d'Optique)Inventors: Roland Mandler, Walter Danhardt, Dan Riall, Marc Silva
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Patent number: 8636359Abstract: A method of customizing vision correction including measuring optical aberration data of a patient's eye and calculating a lens definition based on the optical aberration data, wherein calculating the lens definition comprises calculating a correction of at least one low order aberration and at least one high order aberration and is based at least partly on the patient's pupil size.Type: GrantFiled: July 19, 2011Date of Patent: January 28, 2014Assignee: Essilor International (Compagnie General d'Optique)Inventors: Laurence Warden, Andreas W. Dreher, John Ferro, Jagdish M. Jethmalani, Shui T. Lai
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Publication number: 20140009734Abstract: 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 Rm lower than or equal to 1.15%, a mean light reflection factor on the rear face in the visible region Rv lower than or equal to 1%, a mean reflection factor RUV on the rear face between 280 nm and 380 nm, weighted by the function W(?) defined in the ISO 13666:1998 standard, lower than 5%, for angles of incidence of 30° and 45°, the antireflective coating outer layer being a silica-based layer. The lens according to the invention does especially prevent the reflection of the UV radiation produced by light sources located behind the wearer.Type: ApplicationFiled: September 6, 2013Publication date: January 9, 2014Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUE)Inventors: Herve Cado, Francisco De Ayguavives, Olivier Pophillat
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Patent number: 8435378Abstract: 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.Type: GrantFiled: January 19, 2011Date of Patent: May 7, 2013Assignee: Essilor International Compagnie General d'OptiqueInventors: Cedric Bergon, Peiqi Jiang, Alexandra Roos, Steven Weber
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Patent number: 8226231Abstract: A method to improve the receptiveness of a person to a training session of the human visual system where at least one visual stimuli arrangement is provided to the person and where means are provided so that the high order aberrations of the system consisting of the combination of said means and the eye of the person is lower than the high order aberrations of the eye of the person. The method to improve deficiencies, inefficiencies or both in neuronal interaction comprising preceding improvement method. A system such as a lens system, an artificial pupil or a clipable lens adapted for said methods. Related computer program product and computer-readable medium.Type: GrantFiled: June 26, 2008Date of Patent: July 24, 2012Assignee: Essilor International (Compagnie General d'Optique)Inventor: Cecile Petignaud
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Patent number: 8157376Abstract: A multifocal ophthalmic eyeglass (1) corrects a wearer's vision for a first vision distance in a principal vision zone (10) of the eyeglass, and for at least two different second vision distances in a secondary vision zone (20) of said eyeglass. For this purpose, the secondary vision zone is divided into at least two series of alternating regions, each producing an ophthalmic correction suitable for one of the second vision distances. A presbyopic wearer provided with such an eyeglass can both read a book and view an obstacle on the ground equally well, for the same direction of his gaze through the secondary vision zone.Type: GrantFiled: October 5, 2009Date of Patent: April 17, 2012Assignee: Essilor International (Compagnie General d'Optique)Inventor: Björn Drobe
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Patent number: 8125721Abstract: The invention relates to an optical lens holder (1) comprising a supporting means (2) and a first and a second arm (10, 20, 30) defining a lens holder general plane, first and second arms being relatively movable with regards to each other and each arm having spaced apart first and second end portions (10a, 20a, 30a, 10c, 20c, 30c) and an intermediate portion (10b, 20b, 30b), the arms being mounted on the supporting means through their first end portions and the second end portions of each arm comprising an optical lens accommodating means (21, 22) facing each other, whereby an optical lens (3) can be maintained within the accommodating means of the first and second arms with its optical axis orthogonal to the general plane of the lens holder through at least one, preferably one or two contact points between the lens periphery and each of the first and second lens accommodating means, wherein at least the second end portion of each arm comprises a material having a dielectric constant at 1 MHz equal to or higType: GrantFiled: March 16, 2005Date of Patent: February 28, 2012Assignee: Essilor International Compagnie General d'OptiqueInventors: Gerald Fournand, James A. Reed, Danne Wright
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Patent number: 8118427Abstract: A method for determining an optimal eyeglass lenses design for a viewer (1) comprising the successive steps of: showing the viewer (1) a stereoscopic scene including optical effects of a first lens design;—introducing a relative movement between the viewer (1) and the shown stereoscopic scene, said scene being shown with optical effects of the first lens design; expressing the viewer's opinion; showing the viewer (1) a stereoscopic scene including optical effects of a modified lens design; introducing a relative movement between the viewer (1) and the shown stereoscopic scene, 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.Type: GrantFiled: May 24, 2007Date of Patent: February 21, 2012Assignee: Essilor International (Compagnie General d'optique)Inventors: Thierry Bonnin, Marie-Gaelle Froeliger, Martha Hernandez, Gildas Marin
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Publication number: 20120021126Abstract: A vacuum vapor coating device for coating a substrate with a coating material, the vacuum vapor coating device comprising a chamber (1) into which vacuum can be created, the chamber (1) comprises: at least one support (3) for receiving the substrate, a vapor source (4) of the coating material, a shutter (5) arranged to selectively cover or uncover the vapor source (4), the shutter (5) comprising first (51) and second (52) surface, the second surface (52) being arranged to face the vapor source (4) when the shutter (5) covers the vapor source (4), wherein the second surface (52) is provided with a particule screen (6) made of nonmagnetic materials.Type: ApplicationFiled: October 15, 2009Publication date: January 26, 2012Applicant: Essilor International (Compagnie General D'OptiqueInventor: Alexis Theoden
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Publication number: 20110107856Abstract: A hydrophobic property demonstrator (100) comprises an inclinable sample support (10) and an upper tank (20) for producing droplets (GA, GB) that fall onto a sample (A, B) placed on the support. The droplets are produced regularly with a constant size by selecting a profile and diameter of a hole (23, 24) at the bottom of the tank, and by maintaining a constant water level (N) in said tank. Such a demonstrator is particularly suited for demonstrating the efficiency of the hydrophobic behavior of spectacle lenses.Type: ApplicationFiled: July 21, 2010Publication date: May 12, 2011Applicant: Essilor International (compagnie General D'optique)Inventors: Fabien Calandrini, Carole Nadolny
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Patent number: 7939127Abstract: A method for marking an ophthalmic lens with a hydrophobic and/or oil-repellent low surface energy outer layer on a high surface energy substrate or coating. The method consists in: positioning a complementary patterning mask of the desired marking between the lens surface to be marked and an energizing discharge source capable of substantially eliminating the outer layer to as to expose the subjacent high energy substrate or coating. The temporary protective layer has a surface energy higher than that of the outer layer and a thickness less than about 5 nm, and preferably between 2 and 4 nm, thereby enabling the discharge to act on the outer layer through the temporary protective layer.Type: GrantFiled: November 7, 2003Date of Patent: May 10, 2011Assignee: Essilor International (Compagnie General d'Optique)Inventors: Dominique Conte, Gerhard Keller, Gerard Willemin
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Patent number: 7878649Abstract: An optical element comprises a base component (1) provided with a set of cells (10) open on a face of the component and a film (2) for sealing the cells. The film is adhesively bonded to ends (12) of separation walls (11) present between the cells. The adhesive bonding is carried out by applying a pressure adjusted so that the ends of the walls penetrate into a layer of adhesive material (3) positioned between the film and the set of cells. A refractive index value of the adhesive material is adjusted with respect to a value of the same index for the material of the ends of the walls m order to obtain an optical element which exhibits a high transparency.Type: GrantFiled: June 8, 2007Date of Patent: February 1, 2011Assignee: Essilor International (Compagnie General d'Optique)Inventors: Samuel Archambeau, Jerome Ballet, Jean-Paul Cano, Anthony Saugey
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Publication number: 20100093265Abstract: A device (1) for machining an ophthalmic lens includes a support for the ophthalmic lens and for driving it in rotation about a blocking axis (A1), a machining module (35) that can be swiveled relative to the support and driving the lens in rotation and that is suitable for pivoting about a swivel axis that is not parallel to the blocking axis of the lens, and at least one drill tool mounted to rotate on the machining module about a first axis of rotation. The machining device includes at least one other machining tool mounted to rotate on the machining module about another axis of rotation that is distinct from the first axis of rotation and that is stationary relative to the first axis of rotation.Type: ApplicationFiled: October 9, 2007Publication date: April 15, 2010Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERAL D'OPTIQUEInventors: Cedric Lemaire, Tony Michel, Gael Mazoyer, Andre Menant