DE69226172T2 - Kontaktlinse - Google Patents

Kontaktlinse

Info

Publication number
DE69226172T2
DE69226172T2 DE69226172T DE69226172T DE69226172T2 DE 69226172 T2 DE69226172 T2 DE 69226172T2 DE 69226172 T DE69226172 T DE 69226172T DE 69226172 T DE69226172 T DE 69226172T DE 69226172 T2 DE69226172 T2 DE 69226172T2
Authority
DE
Germany
Prior art keywords
curved
optical axis
distance
contact lens
curvature
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
DE69226172T
Other languages
German (de)
English (en)
Other versions
DE69226172D1 (de
Inventor
Yoshinori Suwa-Shi Nagano 392 Awanohara
Osamu Suwa-Shi Nagano 392 Kamiwaki
Toshihide Suwa-Shi Nagano 392 Shinohara
Osamu Suwa-Shi Nagano 392 Wada
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69226172D1 publication Critical patent/DE69226172D1/de
Application granted granted Critical
Publication of DE69226172T2 publication Critical patent/DE69226172T2/de
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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/0025—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
    • 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
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • Lenses (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
DE69226172T 1992-01-06 1992-12-28 Kontaktlinse Expired - Fee Related DE69226172T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP39992 1992-01-06
JP10974392 1992-04-28
PCT/JP1992/001730 WO1993014434A1 (fr) 1992-01-06 1992-12-28 Lentille de contact

Publications (2)

Publication Number Publication Date
DE69226172D1 DE69226172D1 (de) 1998-08-13
DE69226172T2 true DE69226172T2 (de) 1998-12-17

Family

ID=26333379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226172T Expired - Fee Related DE69226172T2 (de) 1992-01-06 1992-12-28 Kontaktlinse

Country Status (5)

Country Link
US (1) US5541678A (enExample)
EP (1) EP0574590B1 (enExample)
JP (1) JP3286977B2 (enExample)
DE (1) DE69226172T2 (enExample)
WO (1) WO1993014434A1 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL109375A0 (en) * 1993-04-26 1994-07-31 Ciba Geigy Ag Multifocal contact lens
US5702735A (en) * 1994-06-10 1997-12-30 Johnson & Johnson Vision Products, Inc. Molding arrangement to achieve short mold cycle time
GB2295686B (en) * 1994-11-30 1998-05-06 Carle John Trevor De Bifocal contact lenses
US5682223A (en) * 1995-05-04 1997-10-28 Johnson & Johnson Vision Products, Inc. Multifocal lens designs with intermediate optical powers
AU5194896A (en) * 1995-05-04 1996-11-14 Johnson & Johnson Vision Products, Inc. Concentric annular ring lens designs with minimal angles between adjacent annular ring segments
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
WO1997031285A1 (en) * 1996-02-21 1997-08-28 Seiko Epson Corporation Multifocal contact lens
US5980040A (en) * 1997-06-30 1999-11-09 Wesley Jessen Corporation Pinhole lens and contact lens
US6116735A (en) * 1997-07-14 2000-09-12 Seiko Epson Corporation Contact lens
US6457826B1 (en) 1998-08-06 2002-10-01 John B. W. Lett Multifocal aspheric lens
EP1147448A4 (en) 1998-12-16 2008-12-10 Novartis Ag MULTIFOCAL CONTACT LENSES WITH ASPHERIC SURFACES
US6210005B1 (en) * 1999-02-04 2001-04-03 Valdemar Portney Multifocal ophthalmic lens with reduced halo size
US6179420B1 (en) * 1999-04-21 2001-01-30 Johnson & Johnson Vision Products, Inc. Multifocal ophthalmic lenses
US6511178B1 (en) * 1999-07-19 2003-01-28 Johnson & Johnson Vision Care, Inc. Multifocal ophthalmic lenses and processes for their production
US6520638B1 (en) * 2001-08-14 2003-02-18 Johnson & Johnson Vision Care, Inc. Methods for designing multifocal ophthalmic lenses
WO2006018879A1 (ja) * 2004-08-19 2006-02-23 Menicon Co., Ltd. 多焦点型着色コンタクトレンズおよびその製造方法
DE102005043418A1 (de) * 2005-09-13 2007-03-22 Robert Bosch Gmbh Elektro-optisches Messgerät
PL386800A1 (pl) * 2006-03-08 2009-05-11 Scientific Optics, Inc. Sposób i urządzenie do ogólnego poprawienia widzenia
US7364291B2 (en) * 2006-06-29 2008-04-29 Johnson & Johnson Vision Care, Inc. Contact lenses with light blocking rings
EP2155041A4 (en) * 2007-04-27 2012-01-25 Holden Brien Vision Inst DETERMINING OPTICAL ADJUSTMENTS TO DELAY THE PROGRESSION OF MYOPIA
US7753521B2 (en) * 2008-03-31 2010-07-13 Johnson & Johnson Vision Care, Inc. Lenses for the correction of presbyopia and methods of designing the lenses
KR101204183B1 (ko) 2009-05-04 2012-11-23 쿠퍼비젼 인터내셔날 홀딩 캄파니, 엘피 안용 렌즈를 제공하는 단계에서 조절 오류 측정의 사용
KR101227340B1 (ko) * 2009-05-04 2013-02-07 쿠퍼비젼 인터내셔날 홀딩 캄파니, 엘피 안과용 렌즈 및 조절 오차의 저감
EP2427799A4 (en) * 2009-05-04 2012-03-28 Coopervision Int Holding Co Lp CONTACT LENS WITH SMALL OPTICAL AREA AND METHOD
KR20120035159A (ko) 2009-10-22 2012-04-13 쿠퍼비젼 인터내셔날 홀딩 캄파니, 엘피 근시 또는 원시의 진행을 방지하거나 지연시키는 콘택트 렌즈 세트 및 방법
CN104536159B (zh) * 2010-03-03 2017-04-12 华柏恩视觉研究中心 用于近视眼的隐形眼镜以及治疗近视的方法
WO2011107723A1 (en) * 2010-03-05 2011-09-09 John Trevor De Carle Multifocal lens
EP2781952A1 (de) * 2013-03-22 2014-09-24 Hecht Contactlinsen GmbH Multifokale ophthalmologische Linse
WO2023139348A1 (en) * 2022-01-19 2023-07-27 Coopervision International Limited Contact lenses and methods relating thereto

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162122A (en) * 1977-09-14 1979-07-24 Cohen Allen L Zonal bifocal contact lens
EP0107444B1 (en) * 1982-10-13 1990-06-27 N.G. Trustees And Nominees Limited Bifocal contact lenses
US4890913A (en) * 1982-10-13 1990-01-02 Carle John T De Zoned multi-focal contact lens
DE3246306A1 (de) * 1982-12-14 1984-06-14 Titmus Eurocon Kontaktlinsen Gmbh & Co Kg, 8750 Aschaffenburg Bifokallinse vom bivisuellen typ
EP0144385A4 (en) * 1983-05-26 1985-10-14 Internat Hydron Corp HYDROPHILE CONTACT LENS WITH THREE CURVED BEAMS AND THEIR PRODUCTION PROCESS.
US4752123A (en) * 1985-11-19 1988-06-21 University Optical Products Co. Concentric bifocal contact lens with two distance power regions
AU605332B2 (en) * 1987-06-01 1991-01-10 Valdemar Portney Multifocal ophthalmic lens
US4898461A (en) * 1987-06-01 1990-02-06 Valdemar Portney Multifocal ophthalmic lens
JPH0279015A (ja) * 1988-09-14 1990-03-19 Seiko Epson Corp バイフォーカルコンタクトレンズ
JP2814495B2 (ja) * 1988-09-16 1998-10-22 セイコーエプソン株式会社 コンタクトレンズの製造方法及び製造装置
ES2096846T3 (es) * 1988-11-02 1997-03-16 British Tech Group Moldeo y envase de lentes de contacto.
JPH02217818A (ja) * 1989-02-20 1990-08-30 Nippon Contact Lens Kk 老視用コンタクトレンズ
AU7130391A (en) * 1990-03-08 1991-09-12 Breger, Joseph Laurence Multifocal simultaneous vision lenses
US5106180A (en) * 1991-05-30 1992-04-21 Robert Marie Multifocal ophthalmic lens

Also Published As

Publication number Publication date
EP0574590A4 (enExample) 1994-04-06
JP3286977B2 (ja) 2002-05-27
US5541678A (en) 1996-07-30
DE69226172D1 (de) 1998-08-13
EP0574590A1 (en) 1993-12-22
WO1993014434A1 (fr) 1993-07-22
EP0574590B1 (en) 1998-07-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee