ATE115741T1 - Multifokallinse. - Google Patents

Multifokallinse.

Info

Publication number
ATE115741T1
ATE115741T1 AT90308035T AT90308035T ATE115741T1 AT E115741 T1 ATE115741 T1 AT E115741T1 AT 90308035 T AT90308035 T AT 90308035T AT 90308035 T AT90308035 T AT 90308035T AT E115741 T1 ATE115741 T1 AT E115741T1
Authority
AT
Austria
Prior art keywords
polymer
zone
zones
refractive index
units
Prior art date
Application number
AT90308035T
Other languages
English (en)
Inventor
Amitava Gupta
Original Assignee
Ioptex Research 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 Ioptex Research Inc filed Critical Ioptex Research Inc
Application granted granted Critical
Publication of ATE115741T1 publication Critical patent/ATE115741T1/de

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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/042—Simultaneous type
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • 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
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/12—Locally varying refractive index, gradient index lenses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Materials For Medical Uses (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
AT90308035T 1989-07-21 1990-07-23 Multifokallinse. ATE115741T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07383797 US5080472B1 (en) 1989-07-21 1989-07-21 Multifocal optical lens

Publications (1)

Publication Number Publication Date
ATE115741T1 true ATE115741T1 (de) 1994-12-15

Family

ID=23514766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90308035T ATE115741T1 (de) 1989-07-21 1990-07-23 Multifokallinse.

Country Status (4)

Country Link
US (1) US5080472B1 (de)
EP (1) EP0409667B1 (de)
AT (1) ATE115741T1 (de)
DE (1) DE69015036T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517260A (en) * 1994-03-28 1996-05-14 Vari-Site, Inc. Ophthalmic lens having a progressive multifocal zone and method of manufacturing same
US5861934A (en) * 1996-05-06 1999-01-19 Innotech, Inc. Refractive index gradient lens
TW532488U (en) * 1998-02-11 2003-05-11 Euro Lens Technology S P A A progressive multifocal contact lens suitable for compensating presbyopia
CA2339776C (en) 1998-08-06 2005-10-25 John B. W. Lett Multifocal aspheric lens
WO2000036457A1 (en) * 1998-12-16 2000-06-22 Wesley Jessen Corporation Multifocal contact lens with aspheric surface
US6619799B1 (en) * 1999-07-02 2003-09-16 E-Vision, Llc Optical lens system with electro-active lens having alterably different focal lengths
US6813082B2 (en) * 2000-11-27 2004-11-02 Ophthonix, Inc. Wavefront aberrator and method of manufacturing
US7293871B2 (en) * 2000-11-27 2007-11-13 Ophthonix, Inc. Apparatus and method of correcting higher-order aberrations of the human eye
US7217375B2 (en) * 2001-06-04 2007-05-15 Ophthonix, Inc. Apparatus and method of fabricating a compensating element for wavefront correction using spatially localized curing of resin mixtures
US6712466B2 (en) 2001-10-25 2004-03-30 Ophthonix, Inc. Eyeglass manufacturing method using variable index layer
US6733125B2 (en) * 2002-04-25 2004-05-11 André Berube Multi-focal contact lens
US6836371B2 (en) * 2002-07-11 2004-12-28 Ophthonix, Inc. Optical elements and methods for making thereof
US7420743B2 (en) * 2002-07-11 2008-09-02 Ophthonix, Inc. Optical elements and methods for making thereof
US6870690B1 (en) * 2003-09-09 2005-03-22 Cbc-America Dual-band lens
US20050260388A1 (en) * 2004-05-21 2005-11-24 Lai Shui T Apparatus and method of fabricating an ophthalmic lens for wavefront correction using spatially localized curing of photo-polymerization materials
US20070074556A1 (en) * 2005-10-04 2007-04-05 Shape Corporation Continuous process of roll-forming stamped sheet
US20070095001A1 (en) * 2005-10-04 2007-05-03 Shape Corporation Continuous process of roll-forming pre-stamped varying shapes
US7735998B2 (en) 2006-10-25 2010-06-15 Volk Donald A Multi-layered multifocal lens with blended refractive index
US7740354B2 (en) 2006-10-25 2010-06-22 Volk Donald A Multi-layered gradient index progressive lens
US7570432B1 (en) * 2008-02-07 2009-08-04 Toyota Motor Engineering & Manufacturing North America, Inc. Metamaterial gradient index lens
GB2540144A (en) * 2015-07-06 2017-01-11 Rayner Intraocular Lenses Ltd Intraocular lens

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472581A (en) * 1966-09-26 1969-10-14 Leonard Bronstein Fused multifocal corneal contact lenses
US3560598A (en) * 1968-10-11 1971-02-02 Charles W Neefe Process for making plastic multifocal lenses
JPS60162611A (ja) * 1984-02-03 1985-08-24 Nippon Sheet Glass Co Ltd 屈折率分布を有する合成樹脂光学素子の製造方法
JPS60175009A (ja) * 1984-02-21 1985-09-09 Nippon Sheet Glass Co Ltd 屈折率分布を有する合成樹脂光学素子の製造方法
JPS62295001A (ja) * 1986-06-14 1987-12-22 Nippon Sheet Glass Co Ltd 合成樹脂製多焦点球面レンズおよびその製法
US4798609A (en) * 1987-08-24 1989-01-17 Grendahl Dennis T Radially segmented zone of focus artificial lens
JPH01152107A (ja) * 1987-12-08 1989-06-14 Matsushita Electric Ind Co Ltd 屈折率分布型プラスチックスレンズの製造方法

Also Published As

Publication number Publication date
EP0409667B1 (de) 1994-12-14
DE69015036T2 (de) 1995-06-22
EP0409667A3 (en) 1991-11-06
DE69015036D1 (de) 1995-01-26
US5080472A (en) 1992-01-14
EP0409667A2 (de) 1991-01-23
US5080472B1 (en) 1995-10-31

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties