DE68921375T2 - Messgerät für die Brechkraft des Auges. - Google Patents

Messgerät für die Brechkraft des Auges.

Info

Publication number
DE68921375T2
DE68921375T2 DE68921375T DE68921375T DE68921375T2 DE 68921375 T2 DE68921375 T2 DE 68921375T2 DE 68921375 T DE68921375 T DE 68921375T DE 68921375 T DE68921375 T DE 68921375T DE 68921375 T2 DE68921375 T2 DE 68921375T2
Authority
DE
Germany
Prior art keywords
eye
measuring device
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
DE68921375T
Other languages
English (en)
Other versions
DE68921375D1 (de
Inventor
Masakatsu C O Kagawa W Iwamoto
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.)
Ryusyo Industrial Co Ltd
Original Assignee
Ryusyo Industrial Co Ltd
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
Priority claimed from JP63158495A external-priority patent/JP2624516B2/ja
Priority claimed from JP63331999A external-priority patent/JPH027934A/ja
Priority claimed from JP63332000A external-priority patent/JP2958012B2/ja
Priority claimed from JP1136389A external-priority patent/JPH031833A/ja
Priority claimed from JP1136390A external-priority patent/JPH031834A/ja
Application filed by Ryusyo Industrial Co Ltd filed Critical Ryusyo Industrial Co Ltd
Application granted granted Critical
Publication of DE68921375D1 publication Critical patent/DE68921375D1/de
Publication of DE68921375T2 publication Critical patent/DE68921375T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/1208Multiple lens hand-held instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/103Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
DE68921375T 1988-06-27 1989-06-26 Messgerät für die Brechkraft des Auges. Expired - Fee Related DE68921375T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP63158495A JP2624516B2 (ja) 1988-06-27 1988-06-27 眼屈折度測定装置
JP63331999A JPH027934A (ja) 1988-12-29 1988-12-29 眼屈折度測定装置
JP63332000A JP2958012B2 (ja) 1988-12-29 1988-12-29 眼屈折度測定装置
JP1136389A JPH031833A (ja) 1989-05-29 1989-05-29 眼屈折度測定装置
JP1136390A JPH031834A (ja) 1989-05-29 1989-05-29 眼屈折度測定装置

Publications (2)

Publication Number Publication Date
DE68921375D1 DE68921375D1 (de) 1995-04-06
DE68921375T2 true DE68921375T2 (de) 1995-10-26

Family

ID=27527459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921375T Expired - Fee Related DE68921375T2 (de) 1988-06-27 1989-06-26 Messgerät für die Brechkraft des Auges.

Country Status (3)

Country Link
US (1) US5011276A (de)
EP (3) EP0349228B1 (de)
DE (1) DE68921375T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585873A (en) * 1991-10-11 1996-12-17 Alcon Laboratories, Inc. Automated hand-held keratometer
DE4210485C2 (de) * 1992-03-31 1994-03-31 Adatomed Pharma & Med Vorrichtung zur Bestimmung der Augenrefraktion und Verwendung hierfür
US5684561A (en) * 1992-05-26 1997-11-04 Daphne Eye Technologies Device and method for evaluation of refraction of the eye
CN1034711C (zh) * 1992-06-29 1997-04-30 华东工学院 婴幼儿视力测试仪
US5528323A (en) * 1992-10-30 1996-06-18 Nidek Co., Ltd. Ophthalmic apparatus including hand-held measuring device and wireless data transmission
JP3408315B2 (ja) * 1994-03-31 2003-05-19 株式会社ニデック 眼科装置
US5617157A (en) * 1994-06-15 1997-04-01 Metaphase Ophthalmic Corp. Computer controlled subjective refractor
JPH09234184A (ja) * 1996-02-29 1997-09-09 Nikon Corp 眼科装置
US5777719A (en) * 1996-12-23 1998-07-07 University Of Rochester Method and apparatus for improving vision and the resolution of retinal images
US6033074A (en) * 1997-12-09 2000-03-07 Nikon Corporation Subjective eye refractive power measuring apparatus
US5988814A (en) * 1999-03-02 1999-11-23 Evans & Sutherland Computer Corporation Patient-interactive method and apparatus for measuring eye refraction
JP4649035B2 (ja) * 2000-10-18 2011-03-09 株式会社トプコン 眼特性測定装置
US7891818B2 (en) 2006-12-12 2011-02-22 Evans & Sutherland Computer Corporation System and method for aligning RGB light in a single modulator projector
US7802883B2 (en) 2007-12-20 2010-09-28 Johnson & Johnson Vision Care, Inc. Cosmetic contact lenses having a sparkle effect
US8358317B2 (en) 2008-05-23 2013-01-22 Evans & Sutherland Computer Corporation System and method for displaying a planar image on a curved surface
US8702248B1 (en) 2008-06-11 2014-04-22 Evans & Sutherland Computer Corporation Projection method for reducing interpixel gaps on a viewing surface
US8077378B1 (en) 2008-11-12 2011-12-13 Evans & Sutherland Computer Corporation Calibration system and method for light modulation device
US9641826B1 (en) 2011-10-06 2017-05-02 Evans & Sutherland Computer Corporation System and method for displaying distant 3-D stereo on a dome surface
CN107529983A (zh) 2015-01-09 2018-01-02 智能视觉实验室股份有限公司 具有开放场对准通道的便携式波前像差仪
CN108852280A (zh) * 2018-07-16 2018-11-23 南京泰立瑞信息科技有限公司 一种视力筛查的图像采集与分析方法、系统及设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253743A (en) * 1977-05-17 1981-03-03 Canon Kabushiki Kaisha Eye testing instrument
JPS55125844A (en) * 1979-03-20 1980-09-29 Canon Kk Optic refractometer
US4692003A (en) * 1983-11-07 1987-09-08 Adachi Iwao P Real-time analysis keratometer
JPS6185919A (ja) * 1984-10-02 1986-05-01 株式会社トプコン 眼検査装置
DE3689757T2 (de) * 1985-01-22 1994-11-03 Topcon Corp Gerät zur Messung der Brechkraft der Augen.
JPS61268228A (ja) * 1985-05-24 1986-11-27 株式会社トプコン 眼屈折力測定装置

Also Published As

Publication number Publication date
US5011276A (en) 1991-04-30
EP0559236A2 (de) 1993-09-08
EP0349228B1 (de) 1995-03-01
EP0559235A3 (en) 1994-10-26
DE68921375D1 (de) 1995-04-06
EP0559236A3 (en) 1994-10-19
EP0349228A1 (de) 1990-01-03
EP0559235A2 (de) 1993-09-08

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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