DE69114660T2 - Gerät zur Messung der Brechkraft eines Auges. - Google Patents

Gerät zur Messung der Brechkraft eines Auges.

Info

Publication number
DE69114660T2
DE69114660T2 DE69114660T DE69114660T DE69114660T2 DE 69114660 T2 DE69114660 T2 DE 69114660T2 DE 69114660 T DE69114660 T DE 69114660T DE 69114660 T DE69114660 T DE 69114660T DE 69114660 T2 DE69114660 T2 DE 69114660T2
Authority
DE
Germany
Prior art keywords
eye
measuring
refractive power
refractive
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
DE69114660T
Other languages
English (en)
Other versions
DE69114660D1 (de
Inventor
Yasuhisa Ishikura
Ikuo Kitao
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.)
Topcon Corp
Original Assignee
Topcon 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 Topcon Corp filed Critical Topcon Corp
Application granted granted Critical
Publication of DE69114660D1 publication Critical patent/DE69114660D1/de
Publication of DE69114660T2 publication Critical patent/DE69114660T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
DE69114660T 1990-09-29 1991-09-27 Gerät zur Messung der Brechkraft eines Auges. Expired - Fee Related DE69114660T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2262766A JP3001246B2 (ja) 1990-09-29 1990-09-29 眼屈折力測定装置

Publications (2)

Publication Number Publication Date
DE69114660D1 DE69114660D1 (de) 1995-12-21
DE69114660T2 true DE69114660T2 (de) 1996-07-18

Family

ID=17380293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114660T Expired - Fee Related DE69114660T2 (de) 1990-09-29 1991-09-27 Gerät zur Messung der Brechkraft eines Auges.

Country Status (4)

Country Link
US (1) US5210555A (de)
EP (1) EP0479502B1 (de)
JP (1) JP3001246B2 (de)
DE (1) DE69114660T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079830A (en) * 1992-08-31 2000-06-27 Canon Kabushiki Kaisha Eye measuring apparatus having signal processing means for calculating eye information
JPH06165757A (ja) * 1992-11-30 1994-06-14 Nikon Corp 検影型他覚眼屈折力測定装置
US5617157A (en) * 1994-06-15 1997-04-01 Metaphase Ophthalmic Corp. Computer controlled subjective refractor
US7203234B1 (en) 2000-03-31 2007-04-10 Sharp Laboratories Of America, Inc. Method of directional filtering for post-processing compressed video
WO2015166549A1 (ja) * 2014-04-30 2015-11-05 株式会社クリュートメディカルシステムズ 視覚機能計測装置
CN112587087B (zh) * 2020-12-21 2022-09-09 上海美沃精密仪器股份有限公司 一种定位人眼角膜屈光地形图平陡k轴位的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2654608C3 (de) * 1976-12-02 1979-06-21 Fa. Carl Zeiss, 7920 Heidenheim Refraktometer zur selbsttätigen objektiven Ermittlung des Refraktionszustandes eines Auges
US4660946A (en) * 1981-09-21 1987-04-28 Canon Kabushiki Kaisha Cornea shape measuring method and apparatus
US4929076A (en) * 1983-06-13 1990-05-29 Canon Kabushiki Kaisha Ophthalmic measuring apparatus
DE3689757T2 (de) * 1985-01-22 1994-11-03 Topcon Corp Gerät zur Messung der Brechkraft der Augen.
JP2775276B2 (ja) * 1988-09-22 1998-07-16 株式会社トプコン 眼屈折力測定装置
DE68922973T2 (de) * 1988-12-06 1995-11-30 Topcon Corp Anordnung zur Bestimmung der Augenbrechkraft.
JP2775297B2 (ja) * 1989-06-22 1998-07-16 株式会社トプコン 眼屈折力測定装置

Also Published As

Publication number Publication date
EP0479502B1 (de) 1995-11-15
EP0479502A1 (de) 1992-04-08
JPH04141128A (ja) 1992-05-14
DE69114660D1 (de) 1995-12-21
JP3001246B2 (ja) 2000-01-24
US5210555A (en) 1993-05-11

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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