CA2680870C - Multifocal lens having a progressive optical power region and a discontinuity - Google Patents

Multifocal lens having a progressive optical power region and a discontinuity Download PDF

Info

Publication number
CA2680870C
CA2680870C CA2680870A CA2680870A CA2680870C CA 2680870 C CA2680870 C CA 2680870C CA 2680870 A CA2680870 A CA 2680870A CA 2680870 A CA2680870 A CA 2680870A CA 2680870 C CA2680870 C CA 2680870C
Authority
CA
Canada
Prior art keywords
optical power
lens
region
zone
power
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA2680870A
Other languages
English (en)
French (fr)
Other versions
CA2680870A1 (en
Inventor
Ronald D. Blum
William Kokonaski
Venkatramani S. Iyer
Joshua N. Haddock
Mark-Mattison Shupnick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PixelOptics Inc
Original Assignee
PixelOptics Inc
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 PixelOptics Inc filed Critical PixelOptics Inc
Publication of CA2680870A1 publication Critical patent/CA2680870A1/en
Application granted granted Critical
Publication of CA2680870C publication Critical patent/CA2680870C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • 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
    • 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
    • G02C7/063—Shape of the progressive surface
    • G02C7/066—Shape, location or size of the viewing zones
    • 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
    • G02C2202/16—Laminated or compound lenses
    • 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
    • G02C2202/20—Diffractive and Fresnel lenses or lens portions

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
CA2680870A 2007-03-29 2008-03-31 Multifocal lens having a progressive optical power region and a discontinuity Expired - Fee Related CA2680870C (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US90736707P 2007-03-29 2007-03-29
US60/907,367 2007-03-29
US92497507P 2007-06-07 2007-06-07
US60/924,975 2007-06-07
US93522607P 2007-08-01 2007-08-01
US60/935,226 2007-08-01
US93549207P 2007-08-16 2007-08-16
US60/935,492 2007-08-16
US93557307P 2007-08-20 2007-08-20
US95681307P 2007-08-20 2007-08-20
US60/956,813 2007-08-20
US60/935,573 2007-08-20
US97002407P 2007-09-05 2007-09-05
US60/970,024 2007-09-05
PCT/US2008/058930 WO2008121975A2 (en) 2007-03-29 2008-03-31 Multifocal lens having a progressive optical power region and a discontinuity

Publications (2)

Publication Number Publication Date
CA2680870A1 CA2680870A1 (en) 2008-10-09
CA2680870C true CA2680870C (en) 2014-10-21

Family

ID=39808888

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2680870A Expired - Fee Related CA2680870C (en) 2007-03-29 2008-03-31 Multifocal lens having a progressive optical power region and a discontinuity

Country Status (5)

Country Link
EP (1) EP2140303A4 (no)
JP (1) JP2010522903A (no)
CA (1) CA2680870C (no)
TW (1) TW200912425A (no)
WO (1) WO2008121975A2 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2010006042A (es) * 2007-12-14 2010-06-25 Pixeloptics Inc Lente compuesto multifocal de multiples capas.
CN105301786A (zh) 2010-06-30 2016-02-03 松下知识产权经营株式会社 光学设备
CN102893619A (zh) 2010-06-30 2013-01-23 松下电器产业株式会社 光学设备
WO2013072507A1 (en) * 2011-11-16 2013-05-23 Essilor International (Compagnie Générale d'Optique) Method for providing an optical system of an ophthalmic spectacle lens and method for manufacturing an ophthalmic spectacle lens
US9618774B2 (en) 2014-02-10 2017-04-11 Shamir Optical Industry Ltd. Quasi progressive lenses for eyewear
US20150253587A1 (en) * 2014-02-10 2015-09-10 Shamir Optical Industry Ltd. Quasi progressive lenses for eyewear
DE102014004381B4 (de) 2014-03-26 2023-08-10 Rodenstock Gmbh Verbesserte ophthalmische Linse zur Presbyopie-Korrektion sowie Verfahren zum Herstellen und Vorrichtung

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576623A (en) * 1984-03-23 1986-03-18 Corning Glass Works Method for making multifocal ophthalmic lens
US4881804A (en) * 1987-11-12 1989-11-21 Cohen Allen L Multifocal phase plate with a pure refractive portion
CA1316728C (en) * 1988-04-01 1993-04-27 Michael J. Simpson Multi-focal diffractive ophthalmic lenses
JP2899296B2 (ja) * 1988-11-10 1999-06-02 アレン・エル・コーエン 多焦点位相板の製造方法
US5152788A (en) * 1989-12-27 1992-10-06 Minnesota Mining And Manufacturing Company Multifocal diffractive ophthalmic lens and method of manufacture
US5223862A (en) * 1991-04-08 1993-06-29 Corning Incorporated High-index, organic lens member
JPH0749471A (ja) * 1993-08-06 1995-02-21 Kuraray Co Ltd 眼 鏡
US5861934A (en) * 1996-05-06 1999-01-19 Innotech, Inc. Refractive index gradient lens
IL123574A0 (en) * 1998-03-05 1998-10-30 Holo Or Ltd Progressive multifocal lens construction for eyeglasses
IL124991A (en) * 1998-06-18 2002-12-01 Rotlex 1994 Ltd Multifocal lens combining the advantages of progressive addition lenses and diffractive lenses
US6086203A (en) 1998-09-03 2000-07-11 Johnson & Johnson Vision Care, Inc. Progressive addition lenses
AU3365200A (en) * 1999-03-16 2000-10-04 Johnson & Johnson Vision Care, Inc. Method of manufacturing spectacle lenses
FR2793038B1 (fr) * 1999-04-29 2002-01-25 Essilor Int Lentille ophtalmique composite et procede d'obtention d'une telle lentille
US6871951B2 (en) * 2000-06-23 2005-03-29 E-Vision, Llc Electro-optic lens with integrated components
US20030210377A1 (en) * 2001-10-05 2003-11-13 Blum Ronald D. Hybrid electro-active lens
US6619799B1 (en) * 1999-07-02 2003-09-16 E-Vision, Llc Optical lens system with electro-active lens having alterably different focal lengths
US7178918B2 (en) * 2000-09-08 2007-02-20 Griffin Richard A Ophthalmic lenses with induced aperture and redundant power regions
JP4406605B2 (ja) * 2002-06-14 2010-02-03 株式会社メニコン 眼用レンズ
US7377638B2 (en) * 2003-05-19 2008-05-27 Essilor International (Compagnie Generale D'optique) Four zone multifocal lenses
EP1640786A4 (en) * 2003-06-09 2008-06-25 Asahi Lite Optical Co Ltd BIFOCAL PLASTIC LENS
US6951391B2 (en) * 2003-06-16 2005-10-04 Apollo Optical Systems Llc Bifocal multiorder diffractive lenses for vision correction
US7156516B2 (en) * 2004-08-20 2007-01-02 Apollo Optical Systems Llc Diffractive lenses for vision correction
US20060066808A1 (en) * 2004-09-27 2006-03-30 Blum Ronald D Ophthalmic lenses incorporating a diffractive element
FR2884622B1 (fr) * 2005-04-19 2007-08-10 Essilor Int Verre ophtalmique comprenant une couche d'indice de refraction variable

Also Published As

Publication number Publication date
TW200912425A (en) 2009-03-16
WO2008121975A3 (en) 2008-11-27
EP2140303A2 (en) 2010-01-06
CA2680870A1 (en) 2008-10-09
JP2010522903A (ja) 2010-07-08
EP2140303A4 (en) 2011-11-02
WO2008121975A4 (en) 2009-01-22
WO2008121975A2 (en) 2008-10-09

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130315

MKLA Lapsed

Effective date: 20160331