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公开(公告)号：FR2898193B1
公开(公告)日：2008-05-09
申请号：FR0601810
申请日：2006-03-01
Applicant: ESSILOR INT
Inventor： GUILLOUX CYRIL , DE GAUDEMARIS DIANE , BERTHEZENE MARIE ANNE , CARIMALO CELINE
Abstract: A method for the determination by optical optimization of a personalized progressive ophthalmic lens intended to be inserted into a frame chosen by a given wearer for whom a power addition has been prescribed in near vision, the method comprising the stages of: - measuring parameters representing the frame chosen by the wearer; - choosing an initial distribution of power and resulting astigmatism defect targets for each direction of viewing under wearing conditions in an ordinary frame; - calculating transformation coefficients using the measured parameters representing the chosen frame and standard parameters; - calculating a personalized distribution of the power and resulting astigmatism defect targets on the lens by applying the calculated transformation coefficients to the initial distribution. The method makes it possible to retain the proportion of the distribution between the far-vision, near-vision and intermediate-vision zones whatever the size and the shape of the frame chosen.
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公开(公告)号：FR2898194B1
公开(公告)日：2008-05-02
申请号：FR0601811
申请日：2006-03-01
Applicant: ESSILOR INT
Inventor： GUILLOUX CYRIL , DE GAUDEMARIS DIANE , CARIMALO CELINE
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公开(公告)号：FR2906621A1
公开(公告)日：2008-04-04
申请号：FR0608515
申请日：2006-09-28
Applicant: ESSILOR INT
Inventor： DE GAUDEMARIS DIANE , GUILLOUX CYRIL , MURADORE FABIEN
IPC: G02C7/02
Abstract: L'invention a pour objet un procédé de détermination par optimisation d'une lentille ophtalmique comprenant les étapes de:- définition d'une surface de départ pour une face de la lentille avec une zone centrale (15) de diamètre Dini et une zone périphérique (17) de diamètre intérieur Drac ;- choix d'une formule d'interpolation ;- optimisation de la lentille en appliquant la fonction d'interpolation aux zones centrale (15) et périphérique (17) pour définir une surface interpolée comprenant une zone de raccord (16), la surface interpolée minimisant une fonction de mérite (FM) pour différentes altitudes relatives de la zone périphérique (17) par rapport à la zone centrale (15).L'invention permet de réduire l'épaisseur de la lentille sans accentuer les défauts d'oblicité pour un bon confort visuel du porteur.
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Patent Agency Ranking
公开(公告)号：CA2581650A1
公开(公告)日：2007-09-24
申请号：CA2581650
申请日：2007-03-13
Applicant: ESSILOR INT
Inventor： GUILLOUX CYRIL , CARIMALO CELINE , DE GAUDEMARIS DIANE , BERTHEZENE MARIE-ANNE
Abstract: A method for the determination of a progressive ophthalmic lens for a give n wearer comprises the stages of: - determining the axial length (LA) of the wearer's eye, - determining an ergorama associating a sight point with each direction of viewing under wearing conditions. - determining power and resulting astigmatism defect targets for each direction of viewing under wearing conditions, the targets being a function of the axi al length of the wearer's eye. - calculating the power required on the lens for each direction of viewing b y successive iterations in order to obtain the target power defect and the target resulting astigmatism.
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公开(公告)号：AU2006234390A1
公开(公告)日：2006-10-19
申请号：AU2006234390
申请日：2006-03-31
Applicant: ESSILOR INT
Inventor： BOURDONCLE BERNARD , JOSSO HERVE , GUILLOUX CYRIL
Abstract: An ophthalmic lens has a complex surface with an optical centre, a fitting cross (FC) situated 4 mm above the optical centre, a meridian having a power addition between reference points in far vision (FV) and in near vision (NV). The complex surface has a mean-sphere difference normalized to the addition on the meridian, between the geometric centre of the lens and the control point in far vision, less than or equal to 0.1; a progression length less than or equal to 14 mm; a rebound of the sphere quantity normalized to the addition on a circle with a radius of 20 mm centred on the geometric centre of the lens less than 0.11, and a maximum slope of the sphere variation normalized to the addition along the meridian comprised between 0.9 and 0.11 mm -1 . The lens is suited to broadened far vision with a good accessibility to near vision.
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公开(公告)号：FR2871248B1
公开(公告)日：2006-09-08
申请号：FR0406002
申请日：2004-06-03
Applicant: ESSILOR INT
Inventor： CARIMALO CELINE , GUILLOUX CYRIL , ROLAND ERIC
Abstract: The invention relates to an ophthalmic lens for long-sighted and intermediate vision comprising a complex surface provided with an optical centre, a substantially umbilicated meridian line and an average size sphere progression on the top surface equal to or greater than 0.50 diopters. The complex surface is provided in the top part thereof with a long-sighted vision area which is formed by cylinder points equal to or less than 0.25 diopters and covers an angular sector focused on the optical centre and whose angle is equal to 160°. Said complex surface also comprises an average size substantially constant sphere on the meridian line in the long-sighted vision area and a progression length equal to or less than 12 mm. Said progression length is defined as a vertical distance between the optical centre and a median point for which the average sphere if greater than 85% of progression on the average sphere in the optical centre. The inventive lens is suitable for driving and prescribed to persons having additional prescription greater than a power progression, whereby a correction adaptable to the power prescription of a longsighted vision person is provided in the top part of the lens. The lower part of the lens ensures the correction needed for an intermediate vision person.
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公开(公告)号：FR2881846A1
公开(公告)日：2006-08-11
申请号：FR0501245
申请日：2005-02-08
Applicant: ESSILOR INT
Inventor： GUILLOUX CYRIL
Abstract: Pour définir une face supplémentaire (10) ou clip-on pour lunettes, on commence par choisir (20) un verre (6) adapté à la prescription d'un porteur presbyte. On modélise (22) ensuite la position du verre (6) choisi et de la position d'une face supplémentaire (10) devant le verre choisi. On choisit (24) une fonction optique pour l'ensemble du verre (6) choisi et de la face supplémentaire (10). Les caractéristiques de la face supplémentaire (10) sont calculées par optimisation optique pour un porteur standard, en utilisant comme cible d'optimisation la fonction optique choisie. La face supplémentaire ainsi obtenue assure au porteur du verre la fonction optique choisie. Elle s'étend sur l'ensemble de la surface du verre et assure la continuité de la fonction optique sur toute la surface du verre.
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公开(公告)号：CA2592584A1
公开(公告)日：2006-07-13
申请号：CA2592584
申请日：2005-12-19
Applicant: ESSILOR INT
Inventor： DECRETON BRUNO , GUILLOUX CYRIL , BOURDONCLE BERNARD
IPC: G02C7/02
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