DK0393639T3 - Multifokal linse med en lille apertur - Google Patents

Multifokal linse med en lille apertur

Info

Publication number
DK0393639T3
DK0393639T3 DK90107373.4T DK90107373T DK0393639T3 DK 0393639 T3 DK0393639 T3 DK 0393639T3 DK 90107373 T DK90107373 T DK 90107373T DK 0393639 T3 DK0393639 T3 DK 0393639T3
Authority
DK
Denmark
Prior art keywords
small aperture
multifocal lens
intraocular
relies
zones
Prior art date
Application number
DK90107373.4T
Other languages
Danish (da)
English (en)
Inventor
Allen L Cohen
Original Assignee
Allen L Cohen
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 Allen L Cohen filed Critical Allen L Cohen
Application granted granted Critical
Publication of DK0393639T3 publication Critical patent/DK0393639T3/da

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • 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
    • 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

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
DK90107373.4T 1989-04-19 1990-04-18 Multifokal linse med en lille apertur DK0393639T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/340,496 US5121980A (en) 1989-04-19 1989-04-19 Small aperture multifocal

Publications (1)

Publication Number Publication Date
DK0393639T3 true DK0393639T3 (da) 1996-02-19

Family

ID=23333606

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90107373.4T DK0393639T3 (da) 1989-04-19 1990-04-18 Multifokal linse med en lille apertur

Country Status (17)

Country Link
US (1) US5121980A (cg-RX-API-DMAC7.html)
EP (1) EP0393639B1 (cg-RX-API-DMAC7.html)
JP (1) JP2768801B2 (cg-RX-API-DMAC7.html)
KR (1) KR100215166B1 (cg-RX-API-DMAC7.html)
CN (1) CN1023259C (cg-RX-API-DMAC7.html)
AT (1) ATE133794T1 (cg-RX-API-DMAC7.html)
AU (1) AU638451B2 (cg-RX-API-DMAC7.html)
CA (1) CA2014754C (cg-RX-API-DMAC7.html)
DE (1) DE69025085T2 (cg-RX-API-DMAC7.html)
DK (1) DK0393639T3 (cg-RX-API-DMAC7.html)
ES (1) ES2081869T3 (cg-RX-API-DMAC7.html)
GR (1) GR3019599T3 (cg-RX-API-DMAC7.html)
IE (1) IE74683B1 (cg-RX-API-DMAC7.html)
IL (1) IL94136A (cg-RX-API-DMAC7.html)
NO (1) NO300047B1 (cg-RX-API-DMAC7.html)
TW (1) TW228574B (cg-RX-API-DMAC7.html)
ZA (1) ZA902918B (cg-RX-API-DMAC7.html)

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ES2078221T3 (es) 1988-08-26 1995-12-16 Allen L Dr Cohen Metodo de obtencion de un elemento optico difractivo multifocal.
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
JPH04361201A (ja) * 1991-06-10 1992-12-14 Olympus Optical Co Ltd フレネルゾーンプレートを用いた光学系
DE4134518A1 (de) * 1991-10-18 1993-04-22 Adatomed Pharma & Med Ophthalmische linse
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US5760871A (en) * 1993-01-06 1998-06-02 Holo-Or Ltd. Diffractive multi-focal lens
US5895422A (en) * 1993-06-17 1999-04-20 Hauber; Frederick A. Mixed optics intraocular achromatic lens
US5517260A (en) * 1994-03-28 1996-05-14 Vari-Site, Inc. Ophthalmic lens having a progressive multifocal zone and method of manufacturing same
US5699142A (en) * 1994-09-01 1997-12-16 Alcon Laboratories, Inc. Diffractive multifocal ophthalmic lens
US6158862A (en) * 1997-12-04 2000-12-12 Alcon Laboratories, Inc. Method of reducing glare associated with multifocal ophthalmic lenses
US6392805B1 (en) * 1998-03-23 2002-05-21 Minolta Co., Ltd. Diffractive optical element and an optical system having a diffractive optical element
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US6536898B1 (en) * 2000-09-15 2003-03-25 The Regents Of The University Of Colorado Extended depth of field optics for human vision
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US6596025B2 (en) * 2001-03-15 2003-07-22 Valdemar Portney Narrow profile intraocular lens
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WO2010093975A2 (en) 2009-02-12 2010-08-19 The Arizona Board Of Regents On Behalf Of The University Of Arizona Diffractive trifocal lens
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WO2013118499A1 (ja) * 2012-02-09 2013-08-15 株式会社メニコン 多焦点眼用レンズとその製造方法
WO2013118176A1 (ja) * 2012-02-09 2013-08-15 株式会社メニコン 回折型多焦点眼用レンズとその製造方法
CN108013952A (zh) 2012-08-31 2018-05-11 Amo格罗宁根私人有限公司 用于扩展焦深的多环晶状体、系统和方法
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Family Cites Families (8)

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US4210391A (en) 1977-09-14 1980-07-01 Cohen Allen L Multifocal zone plate
US4340283A (en) * 1978-12-18 1982-07-20 Cohen Allen L Phase shift multifocal zone plate
US4338005A (en) 1978-12-18 1982-07-06 Cohen Allen L Multifocal phase place
DE3381691D1 (de) * 1982-10-13 1990-08-02 Ng Trustees & Nominees Ltd Bifokale kontaktlinsen.
US4881805A (en) * 1987-11-12 1989-11-21 Cohen Allen L Progressive intensity phase bifocal
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
FR2631713B1 (fr) * 1988-05-19 1990-08-31 Essilor Int Lentille diffractive a profil mixte

Also Published As

Publication number Publication date
NO300047B1 (no) 1997-03-24
GR3019599T3 (en) 1996-07-31
IE901372L (en) 1990-10-19
JP2768801B2 (ja) 1998-06-25
TW228574B (cg-RX-API-DMAC7.html) 1994-08-21
AU5367590A (en) 1990-10-25
IL94136A0 (en) 1991-01-31
NO901744D0 (no) 1990-04-19
ATE133794T1 (de) 1996-02-15
DE69025085T2 (de) 1996-05-30
IL94136A (en) 1994-10-07
CN1023259C (zh) 1993-12-22
IE901372A1 (en) 1991-02-13
IE74683B1 (en) 1997-07-30
NO901744L (no) 1990-10-22
CA2014754C (en) 1998-12-29
KR900016784A (ko) 1990-11-14
EP0393639B1 (en) 1996-01-31
AU638451B2 (en) 1993-07-01
KR100215166B1 (ko) 1999-08-16
CA2014754A1 (en) 1990-10-19
JPH0362001A (ja) 1991-03-18
EP0393639A3 (en) 1991-10-23
ZA902918B (en) 1991-05-29
CN1047925A (zh) 1990-12-19
EP0393639A2 (en) 1990-10-24
DE69025085D1 (de) 1996-03-14
US5121980A (en) 1992-06-16
ES2081869T3 (es) 1996-03-16

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