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CA2370277A1 - Progressive addition lenses with modified channel power profiles - Google Patents

Progressive addition lenses with modified channel power profiles Download PDF

Info

Publication number
CA2370277A1
CA2370277A1 CA002370277A CA2370277A CA2370277A1 CA 2370277 A1 CA2370277 A1 CA 2370277A1 CA 002370277 A CA002370277 A CA 002370277A CA 2370277 A CA2370277 A CA 2370277A CA 2370277 A1 CA2370277 A1 CA 2370277A1
Authority
CA
Canada
Prior art keywords
channel power
progressive addition
power profiles
modified channel
addition lenses
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.)
Granted
Application number
CA002370277A
Other languages
French (fr)
Other versions
CA2370277C (en
Inventor
Edgar V. Menezes
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.)
EssilorLuxottica SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2370277A1 publication Critical patent/CA2370277A1/en
Application granted granted Critical
Publication of CA2370277C publication Critical patent/CA2370277C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/10—Bifocal lenses; Multifocal lenses
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)

Abstract

The present invention provides multifocal ophthalmic lenses. In particular, the invention provides lenses in which channel power progression modification is achieved without a significant increase in unwanted astigmatism.
CA002370277A 1999-05-25 2000-05-02 Progressive addition lenses with modified channel power profiles Expired - Fee Related CA2370277C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31821199A 1999-05-25 1999-05-25
US09/318,211 1999-05-25
PCT/US2000/011949 WO2000072051A2 (en) 1999-05-25 2000-05-02 Progressive addition lenses with modified channel power profiles

Publications (2)

Publication Number Publication Date
CA2370277A1 true CA2370277A1 (en) 2000-11-30
CA2370277C CA2370277C (en) 2008-02-26

Family

ID=23237149

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002370277A Expired - Fee Related CA2370277C (en) 1999-05-25 2000-05-02 Progressive addition lenses with modified channel power profiles

Country Status (11)

Country Link
EP (1) EP1188076A2 (en)
JP (1) JP2003500685A (en)
CN (1) CN1364242A (en)
AU (1) AU4692300A (en)
BR (1) BR0011535A (en)
CA (1) CA2370277C (en)
HK (1) HK1041924A1 (en)
IL (1) IL146553A0 (en)
MX (1) MXPA01012204A (en)
TW (1) TW496980B (en)
WO (1) WO2000072051A2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7318642B2 (en) 2001-04-10 2008-01-15 Essilor International (Compagnie Générale d'Optique) Progressive addition lenses with reduced unwanted astigmatism
US6709105B2 (en) * 2001-04-10 2004-03-23 Johnson & Johnson Vision Care, Inc. Progressive addition lenses
US6955433B1 (en) * 2004-06-17 2005-10-18 Johnson & Johnson Vision Care, Inc. Methods for designing composite ophthalmic lens surfaces
KR100950374B1 (en) 2005-06-24 2010-03-29 호야 가부시키가이샤 Design method of double-sided aspherical progressive refractive lens group and double-sided aspherical progressive refractive lens group
US8690319B2 (en) 2007-05-21 2014-04-08 Johnson & Johnson Vision Care, Inc. Ophthalmic lenses for prevention of myopia progression
FR2941060B1 (en) * 2009-01-13 2011-04-22 Essilor Int METHOD FOR DETERMINING AN ASPHERIZATION PATCH FOR AN OPHTHALMIC LENS
EP2270578A1 (en) * 2009-06-30 2011-01-05 Essilor International (Compagnie Générale D'Optique) Method of and apparatus for designing an optical lens
US8573774B2 (en) * 2009-10-14 2013-11-05 PixelOptics Opthalmic lens with regressive and non-regressive rotationally symmetric optical design elements
US8042941B2 (en) * 2010-01-29 2011-10-25 Indizen Optical Technologies, S.I. Lens with continuous power gradation
JP2012185449A (en) * 2011-03-08 2012-09-27 Seiko Epson Corp Progressive refractive power lens
EP2506063A1 (en) 2011-03-31 2012-10-03 ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) Progressive ophthalmic lens
WO2012173891A1 (en) 2011-06-15 2012-12-20 Visioneering Technologies, Inc. Method of treating myopia progressions
IN2014CN03902A (en) * 2011-12-15 2015-09-04 Essilor Int
TWI588560B (en) 2012-04-05 2017-06-21 布萊恩荷登視覺協會 Lenses, devices, methods and systems for refractive error
US9201250B2 (en) 2012-10-17 2015-12-01 Brien Holden Vision Institute Lenses, devices, methods and systems for refractive error
HUE066245T2 (en) 2012-10-17 2024-07-28 Holden Brien Vision Inst Lenses, devices, methods and systems for treating refractive errors
CN107077008B (en) * 2014-05-15 2019-11-19 依视路国际公司 Method for modifying the dioptric function of ophthalmic lens surfaces
CN115697249A (en) 2020-06-01 2023-02-03 应用奈米医材科技股份有限公司 Bifacial aspheric diffractive multifocal lenses and their manufacture and use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771089A (en) * 1984-08-17 1998-06-23 Optische Werke G. Rodenstock Progressive spectacle lens
DE4012609A1 (en) * 1990-04-19 1991-10-24 Zeiss Carl Fa REFLECTIVE SURFACE FOR A REFLECTIVE PRESCRIPTION LENS
US5715032A (en) * 1996-03-19 1998-02-03 Optical Radiation Corporation Progressive addition power ophthalmic lens
US6000798A (en) * 1997-10-06 1999-12-14 Innotech Inc. Ophthalmic optic devices

Also Published As

Publication number Publication date
WO2000072051A3 (en) 2001-05-31
BR0011535A (en) 2002-05-14
JP2003500685A (en) 2003-01-07
MXPA01012204A (en) 2003-06-30
HK1041924A1 (en) 2002-07-26
CA2370277C (en) 2008-02-26
WO2000072051A2 (en) 2000-11-30
EP1188076A2 (en) 2002-03-20
TW496980B (en) 2002-08-01
IL146553A0 (en) 2002-07-25
CN1364242A (en) 2002-08-14
AU4692300A (en) 2000-12-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130502