Essilor International (compagnie Generale D'optiqu e Patent applications |
Patent application number | Title | Published |
20150131056 | Method For Providing A Personalized Spectacle Lens Optical System For A Wearer - A method for providing a personalized optical system for a wearer wherein the optical system characterizes a spectacle ophthalmic lens comprising the following steps: a) providing a visual performance level (VPL) value of at least one eye of the wearer; b) providing a set of rules linking at least the visual performance level of step a) with at least one optical criterion chosen among one or both of the two following optical criteria groups consisting of central vision optical criterion (CVOC) group and peripheral vision optical criterion (PVOC) group; c) calculating the physical and geometrical parameters of the personalized optical system or selecting the personalized optical system in an optical systems data base comprising a plurality of optical systems, so that to meet the set of rules of step b) according to the visual performance level data provided in step a). | 05-14-2015 |
20140300857 | OPHTHALMIC FILTER - An optical device including: an optical substrate provided with selective optical filtering element configured to selectively inhibit transmission, through the optical substrate of at least one selected range of wavelengths of incident light in the visible light spectrum at an inhibition rate of at least 5%, the selective optical filtering element being further configured to transmit at least 8% of incident light of the visible spectrum outside the at least one selected range of wavelengths; wherein the at least one selected range of wavelengths has a bandwidth in a range of from 10 nm to 70 nm, preferably 10 nm to 60 nm centered on a wavelength within a range of between 430 nm and 465 nm. | 10-09-2014 |
20130244045 | METHOD FOR TINTING AN OPTICAL FILM BY THERMAL TRANSFER PRINTING - The present invention relates to a method for tinting optical films comprising: (a) coating onto an optical film a liquid coating composition comprising, in a water miscible organic solvent, 1 part of cellulose acetate butyrate (CAB), from 0.1 to 2 parts by weight of dicyclohexyl phthalate, from 0.1 to 1 part by weight of isocyanato-alkyltrialcoxysilane, and at least 0.5 moles of H | 09-19-2013 |
20120004754 | Lens Customizing Method - Method for customizing an initial ophthalmic lens, the initial ophthalmic lens being customized so as to provide a customized ophthalmic lens, the method comprising: a initial ophthalmic lens data providing step (S | 01-05-2012 |
20110228400 | Method for Manufacturing an Optical Article with Anti-Glare Properties - The present invention relates to a method for making an optical article with anti-reflection properties, comprising the steps of:
| 09-22-2011 |
20110176102 | Series of Progressive Ophthalmic Lenses - A series of progressive ophthalmic lenses is proposed, which is indexed by optical power addition values of eyeglasses of spectacles to be made from these lenses. Each lens of the series determines a further gap between a value of the optical power for the near vision direction and a maximum value of the optical power which is obtained for a direction of gaze pointing below said near vision direction. The lenses of the series are adapted for postures of wearers that may vary as a function of the optical power addition values. | 07-21-2011 |
20110013252 | COMPOSITION COMPRISING PHOTOCHROMIC DYES IN AN IONIC SOLVENT - A photochromic composition that is liquid at 20° C. and includes (a) at least one photochromic dye and (b) an ionic solvent selected from (b)(i) room-temperature ionic liquids (RTIL), (b)(ii) ionic liquid mixtures that are liquid at room temperature, and (b)(iii) room-temperature liquid mixtures of at least one ionic liquid and at least one organic solvent that is miscible therewith. The use of said photochromic composition in optical devices such as ophthalmic lenses is also described. | 01-20-2011 |
20100134758 | SYSTEMS AND METHODS FOR IMPROVING THE RECEPTIVENESS OF A PERSON TO A TRAINING SESSION FOR IMPROVING VISUAL PERCEPTION - 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. | 06-03-2010 |
20090262302 | METHOD AND A DEVICE FOR DETERMINING THE ORIENTATION OF A CORRECTING OPHTHALMIC LENS, AND A METHOD OF OPTICALLY DESIGNING THE CORRECTING LENS - A device and method for determining under wearing conditions at least one component of the orientation of a correcting ophthalmic lens of eyeglasses relative to the head of a future wearer. Provision is made for mounting a position-identification system ( | 10-22-2009 |