JPH0253738B2 - - Google Patents

Info

Publication number
JPH0253738B2
JPH0253738B2 JP60121938A JP12193885A JPH0253738B2 JP H0253738 B2 JPH0253738 B2 JP H0253738B2 JP 60121938 A JP60121938 A JP 60121938A JP 12193885 A JP12193885 A JP 12193885A JP H0253738 B2 JPH0253738 B2 JP H0253738B2
Authority
JP
Japan
Prior art keywords
slit
eye
refractive power
optical system
light beam
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 - Lifetime
Application number
JP60121938A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61280543A (ja
Inventor
Masao Noda
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.)
SAN HAITETSUKU KK
Original Assignee
SAN HAITETSUKU KK
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 SAN HAITETSUKU KK filed Critical SAN HAITETSUKU KK
Priority to JP60121938A priority Critical patent/JPS61280543A/ja
Priority to US06/791,894 priority patent/US4702596A/en
Priority to DE8686303669T priority patent/DE3668266D1/de
Priority to EP86303669A priority patent/EP0210722B1/en
Publication of JPS61280543A publication Critical patent/JPS61280543A/ja
Priority to US07/073,514 priority patent/US4787743A/en
Publication of JPH0253738B2 publication Critical patent/JPH0253738B2/ja
Granted 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
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Eye Examination Apparatus (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP60121938A 1985-06-05 1985-06-05 光学系の屈折力の測定装置 Granted JPS61280543A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60121938A JPS61280543A (ja) 1985-06-05 1985-06-05 光学系の屈折力の測定装置
US06/791,894 US4702596A (en) 1985-06-05 1985-10-28 Apparatus for measuring the refractive power of an optical system
DE8686303669T DE3668266D1 (de) 1985-06-05 1986-05-14 Geraet zur messung der brechkraft oder des radius der kruemmung eines optischen systems.
EP86303669A EP0210722B1 (en) 1985-06-05 1986-05-14 Apparatus for measuring the refractive power or radius of curvature of an optical system
US07/073,514 US4787743A (en) 1985-06-05 1987-07-15 Apparatus for measuring the radius of curvature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60121938A JPS61280543A (ja) 1985-06-05 1985-06-05 光学系の屈折力の測定装置

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP60263234A Division JPS61280508A (ja) 1985-11-22 1985-11-22 曲率半径の自動測定装置
JP27174585A Division JPS61280544A (ja) 1985-12-03 1985-12-03 自動レンズメ−タ

Publications (2)

Publication Number Publication Date
JPS61280543A JPS61280543A (ja) 1986-12-11
JPH0253738B2 true JPH0253738B2 (en]) 1990-11-19

Family

ID=14823645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60121938A Granted JPS61280543A (ja) 1985-06-05 1985-06-05 光学系の屈折力の測定装置

Country Status (4)

Country Link
US (2) US4702596A (en])
EP (1) EP0210722B1 (en])
JP (1) JPS61280543A (en])
DE (1) DE3668266D1 (en])

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61280544A (ja) * 1985-12-03 1986-12-11 San Haitetsuku Kk 自動レンズメ−タ
JP2851927B2 (ja) * 1990-06-26 1999-01-27 株式会社トーメー 光学系の屈折力測定装置
AT395523B (de) * 1990-07-24 1993-01-25 Spellitz Fritz Optisches messsystem fuer die menschliche hornhaut
US5258791A (en) * 1990-07-24 1993-11-02 General Electric Company Spatially resolved objective autorefractometer
JP3150404B2 (ja) * 1992-02-25 2001-03-26 株式会社トーメー 光学系における屈折力の測定方法および測定装置
JPH067298A (ja) * 1992-03-27 1994-01-18 Canon Inc 眼屈折計
JPH06137841A (ja) * 1992-10-29 1994-05-20 Nikon Corp 眼科測定装置
DE69729701T2 (de) * 1996-10-03 2005-07-07 Nidek Co., Ltd., Gamagori Vorrichtung zur Messung der Refraktion eines Auges
JP3599537B2 (ja) * 1997-08-29 2004-12-08 株式会社ニデック 眼屈折力測定装置
US6894788B2 (en) 2000-11-20 2005-05-17 Zygo Corporation Interferometric system for automated radius of curvature measurements
US7867778B2 (en) * 2007-02-23 2011-01-11 Visiongate, Inc. Fluid focusing for positional control of a specimen for 3-D imaging
US8016420B2 (en) 2007-05-17 2011-09-13 Amo Development Llc. System and method for illumination and fixation with ophthalmic diagnostic instruments
CN101852676B (zh) * 2010-05-10 2011-11-09 北京理工大学 多焦全息差动共焦超长焦距测量方法与装置
CN105865755B (zh) * 2016-05-30 2018-08-17 东南大学 一种模拟人眼结构的显示器件测量装置及测量方法
EP3764870A4 (en) 2018-03-16 2021-12-22 Remidio Innovative Solutions Pvt. Ltd. OPHTHALMIC IMAGING DEVICE FOR IMAGING POSTERIOR AND ANTERIOR EYE REGIONS
CN110584591B (zh) * 2019-09-03 2024-04-30 佛山科学技术学院 高精度便捷式屈光度检测仪

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136839A (en) * 1958-09-16 1964-06-09 Safir Aran Apparatus for objectively testing an optical system
US3715166A (en) * 1971-02-18 1973-02-06 Bausch & Lomb Apparatus for locating a variable optical focal point
US4190332A (en) 1977-10-14 1980-02-26 Acuity Systems, Incorporated Method and apparatus for controlling visual refractive state of the eye
JPS5586437A (en) * 1978-12-22 1980-06-30 Nippon Chemical Ind Objective eye refractive power measuring device
JPS55160538A (en) * 1979-06-02 1980-12-13 Nippon Chemical Ind Objective eye refraction device
JPS56106640A (en) * 1980-01-30 1981-08-25 Asahi Optical Co Ltd Measuring device for error of eye refraction
DE3118560C2 (de) * 1980-05-12 1987-05-07 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Meßeinrichtung zur Bestimmung von Augenbrechungsfehlern
US4601575A (en) * 1981-03-03 1986-07-22 Tokyo Kogaku Kikai Kabushiki Kaisha Apparatus for measuring the characteristics of an optical system
JPS57165735A (en) * 1981-04-04 1982-10-12 Nippon Kogaku Kk <Nikon> Device for measuring refracting power in optical system
JPS57168137A (en) 1981-04-10 1982-10-16 Nippon Kogaku Kk <Nikon> Lens meter
US4572628A (en) * 1981-05-29 1986-02-25 Nippon Kogaku K.K. Method of and apparatus for measuring radius
JPS57197405A (en) 1981-05-29 1982-12-03 Nippon Kogaku Kk <Nikon> Automatic measuring device for radius of curvature
JPS5875531A (ja) * 1981-10-28 1983-05-07 株式会社トプコン 曲率測定装置

Also Published As

Publication number Publication date
DE3668266D1 (de) 1990-02-22
EP0210722A1 (en) 1987-02-04
US4702596A (en) 1987-10-27
EP0210722B1 (en) 1990-01-17
US4787743A (en) 1988-11-29
JPS61280543A (ja) 1986-12-11

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Legal Events

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R250 Receipt of annual fees

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EXPY Cancellation because of completion of term