IN2014CN03902A - - Google Patents

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Publication number
IN2014CN03902A
IN2014CN03902A IN3902CHN2014A IN2014CN03902A IN 2014CN03902 A IN2014CN03902 A IN 2014CN03902A IN 3902CHN2014 A IN3902CHN2014 A IN 3902CHN2014A IN 2014CN03902 A IN2014CN03902 A IN 2014CN03902A
Authority
IN
India
Prior art keywords
regression
value
lens
determining
front surface
Prior art date
Application number
Inventor
Matthieu Guillot
Carlos Rego
Rossi Hélène De
Original Assignee
Essilor Int
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Essilor Int filed Critical Essilor Int
Publication of IN2014CN03902A publication Critical patent/IN2014CN03902A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/024—Methods of designing ophthalmic lenses
    • G02C7/027—Methods of designing ophthalmic lenses considering wearer's parameters
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/024—Methods of designing ophthalmic lenses
    • G02C7/028—Special mathematical design techniques
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/068—Special properties achieved by the combination of the front and back surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/08—Series of lenses, lens blanks

Abstract

The invention relates to a method for determining a progressive ophthalmic lens comprising:  determining a first intermediate value of regression (d1) as the strongest regression that can be applied on the front surface of the lens while keeping a mean sphere value in at least a portion of the lower part of the rear surface of the lens less or equal to a first predetermined value (V1);  determining a second intermediate value of regression (d2) as the strongest regression that can be applied on the front surface of the lens while keeping a mean sphere value in at least a portion of the lower part of the front surface of the lens superior or equal to a second predetermined value (V2);  determining a third intermediate value of regression (d3) as the strongest regression that can be applied on the front surface of the lens while keeping an addition on the rear surface of the lens less or equal to a third predetermined value (V3);  determining a value of regression (d) for the front surface as the maximum value among the first second and third intermediate values of regression.
IN3902CHN2014 2011-12-15 2012-12-17 IN2014CN03902A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11306675 2011-12-15
PCT/EP2012/075772 WO2013087925A1 (en) 2011-12-15 2012-12-17 Methods for determining a progressive ophthalmic lens and a set of semi finished lens blanks

Publications (1)

Publication Number Publication Date
IN2014CN03902A true IN2014CN03902A (en) 2015-09-04

Family

ID=47520926

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3902CHN2014 IN2014CN03902A (en) 2011-12-15 2012-12-17

Country Status (10)

Country Link
US (1) US9618771B2 (en)
EP (1) EP2791730B1 (en)
JP (1) JP6226873B2 (en)
KR (1) KR101859009B1 (en)
CN (1) CN103988116B (en)
AU (1) AU2012351474B2 (en)
BR (1) BR112014014331B1 (en)
CA (1) CA2858460C (en)
IN (1) IN2014CN03902A (en)
WO (1) WO2013087925A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10437077B2 (en) 2014-03-24 2019-10-08 Carl Zeiss Vision Inc. Method of optimizing geometry of a semi-finished ophthalmic lens in a set of semi-finished ophthalmic lenses
CN106062616B (en) * 2014-04-01 2019-04-12 依视路国际公司 It is arranged to the multifocal ophthalmology spectacle lens for exporting supplemental image
JP7227989B2 (en) * 2018-08-21 2023-02-22 メタ プラットフォームズ テクノロジーズ， リミテッド ライアビリティ カンパニー Illumination assembly with in-field microdevices
EP3671323A1 (en) * 2018-12-20 2020-06-24 Essilor International (Compagnie Generale D'optique) Method of generating virtual surface data of a progressive addition lens

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0578833A4 (en) * 1992-02-03 1994-06-29 Seiko Epson Corp Variable focus visual power correction apparatus
FR2753805B1 (en) * 1996-09-20 1998-11-13 Essilor Int SET OF PROGRESSIVE MULTIFOCAL OPHTHALMIC LENSES
FR2783938B1 (en) 1998-09-28 2000-11-17 Essilor Int TORIC OPHTHALMIC LENSES
US6139148A (en) * 1999-02-04 2000-10-31 Johnson & Johnson Vision Care, Inc. Progressive addition lenses having regressive surfaces
AU4692300A (en) * 1999-05-25 2000-12-12 Johnson & Johnson Vision Care, Inc. Progressive addition lenses with modified channel power profiles
FR2820516B1 (en) * 2001-02-02 2003-05-16 Essilor Int PROGRESSIVE MULTIFOCAL OPHTHALMIC LENS WITH FAST POWER VARIATION
US6709105B2 (en) * 2001-04-10 2004-03-23 Johnson & Johnson Vision Care, Inc. Progressive addition lenses
JP4239519B2 (en) * 2002-03-27 2009-03-18 セイコーエプソン株式会社 Progressive power lens, presbyopia glasses and lens design method
JP3502383B2 (en) * 2003-05-07 2004-03-02 Ｈｏｙａ株式会社 Eyeglass lens supply system
DE112004001024T5 (en) * 2003-06-10 2006-06-01 Ade Corp., Westwood A method and system for classifying defects occurring on a surface of a substrate using a graphical representation of multi-channel data
US7399080B2 (en) * 2003-11-27 2008-07-15 Hoya Corporation Bi-aspherical type progressive-power lens and method of designing the same
CN1815299B (en) * 2005-02-04 2010-06-02 精工爱普生株式会社 Combined spectacle lens, auxiliary lens, and method of edging lenses
JP4400549B2 (en) * 2005-02-04 2010-01-20 セイコーエプソン株式会社 Combination spectacle lens and method for processing target lens shape
EP2028531B1 (en) 2007-12-28 2016-05-04 Essilor International (Compagnie Generale D'optique) Method of selecting a semi-finished ophthalmic lens according to a given spectacle frame
EP2177943A1 (en) 2008-10-16 2010-04-21 Essilor International (Compagnie Générale D'Optique) Optical system determination according to advanced criteria
EP2199021A1 (en) 2008-12-22 2010-06-23 Essilor International (Compagnie Générale D'Optique) A method of and an apparatus for manufacturing an optical lens
US9022563B2 (en) * 2009-02-12 2015-05-05 Mitsui Chemicals, Inc. Ophthalmic lenses with aspheric optical features
WO2010100528A1 (en) 2009-03-05 2010-09-10 Essilor International (Compagnie Generale D'optique) Spectacle eyeglass for myopic child
US8573774B2 (en) * 2009-10-14 2013-11-05 PixelOptics Opthalmic lens with regressive and non-regressive rotationally symmetric optical design elements

Also Published As

Publication number Publication date
JP6226873B2 (en) 2017-11-08
AU2012351474B2 (en) 2016-02-25
KR101859009B1 (en) 2018-05-18
US9618771B2 (en) 2017-04-11
BR112014014331A2 (en) 2017-06-13
WO2013087925A1 (en) 2013-06-20
CA2858460A1 (en) 2013-06-20
CA2858460C (en) 2018-05-01
EP2791730B1 (en) 2020-03-11
KR20140107235A (en) 2014-09-04
JP2015505990A (en) 2015-02-26
AU2012351474A1 (en) 2014-06-12
BR112014014331B1 (en) 2021-03-02
CN103988116A (en) 2014-08-13
US20140354944A1 (en) 2014-12-04
EP2791730A1 (en) 2014-10-22
CN103988116B (en) 2016-10-26

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