JPS6148938B2 - - Google Patents

Info

Publication number
JPS6148938B2
JPS6148938B2 JP53139530A JP13953078A JPS6148938B2 JP S6148938 B2 JPS6148938 B2 JP S6148938B2 JP 53139530 A JP53139530 A JP 53139530A JP 13953078 A JP13953078 A JP 13953078A JP S6148938 B2 JPS6148938 B2 JP S6148938B2
Authority
JP
Japan
Prior art keywords
optical system
eye
image
projection
infrared
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
Application number
JP53139530A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5566347A (en
Inventor
Shinji Wada
Ikuo Kitao
Yasuo Kato
Taketoshi Ishihara
Juji Sugawara
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.)
Tokyo Optical Co Ltd
Original Assignee
Tokyo Optical 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
Application filed by Tokyo Optical Co Ltd filed Critical Tokyo Optical Co Ltd
Priority to JP13953078A priority Critical patent/JPS5566347A/ja
Priority to US06/092,978 priority patent/US4306778A/en
Publication of JPS5566347A publication Critical patent/JPS5566347A/ja
Publication of JPS6148938B2 publication Critical patent/JPS6148938B2/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
    • A61B3/103—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)
JP13953078A 1978-11-13 1978-11-13 Infrared ray refractometer Granted JPS5566347A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13953078A JPS5566347A (en) 1978-11-13 1978-11-13 Infrared ray refractometer
US06/092,978 US4306778A (en) 1978-11-13 1979-11-09 Eye refractmeters using infrared rays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13953078A JPS5566347A (en) 1978-11-13 1978-11-13 Infrared ray refractometer

Publications (2)

Publication Number Publication Date
JPS5566347A JPS5566347A (en) 1980-05-19
JPS6148938B2 true JPS6148938B2 (en, 2012) 1986-10-27

Family

ID=15247420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13953078A Granted JPS5566347A (en) 1978-11-13 1978-11-13 Infrared ray refractometer

Country Status (2)

Country Link
US (1) US4306778A (en, 2012)
JP (1) JPS5566347A (en, 2012)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56106640A (en) * 1980-01-30 1981-08-25 Asahi Optical Co Ltd Measuring device for error of eye refraction
US4591247A (en) * 1981-06-03 1986-05-27 Tokyo Kogaku Kikai Kabushiki Kaisha Eye refractometer
JPS6185919A (ja) * 1984-10-02 1986-05-01 株式会社トプコン 眼検査装置
JPS628731A (ja) * 1985-07-05 1987-01-16 キヤノン株式会社 眼屈折力測定装置
US4820037A (en) * 1985-01-10 1989-04-11 Canon Kabushiki Kaisha Apparatus for measuring the refractive power of an eye
US4917480A (en) * 1985-01-18 1990-04-17 Kabushiki Kaisha Topcon Eye refractive power measuring apparatus
DE3689757T2 (de) * 1985-01-22 1994-11-03 Topcon Corp Gerät zur Messung der Brechkraft der Augen.
JPH067818B2 (ja) * 1985-05-17 1994-02-02 株式会社トプコン 眼屈折力測定装置
JPS62231617A (ja) * 1986-04-01 1987-10-12 キヤノン株式会社 眼屈折度測定装置
US5071245A (en) * 1988-12-06 1991-12-10 Kabushiki Kaisha Topcon Ocular refracting power measuring system
JPH067298A (ja) * 1992-03-27 1994-01-18 Canon Inc 眼屈折計
US5684561A (en) * 1992-05-26 1997-11-04 Daphne Eye Technologies Device and method for evaluation of refraction of the eye
JP2916105B2 (ja) * 1995-11-24 1999-07-05 株式会社トプコン 眼科装置
JP4232369B2 (ja) * 1999-07-30 2009-03-04 三菱電機株式会社 直交型ガスレーザ装置
JP2001284715A (ja) * 2000-03-30 2001-10-12 Ando Electric Co Ltd 外部共振器型レーザ光源

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871772A (en) * 1973-04-23 1975-03-18 Tropel Eye examining instrument aligning means and method therefor
JPS5313113B2 (en, 2012) * 1973-11-26 1978-05-08
JPS5343277B2 (en, 2012) * 1974-06-19 1978-11-17

Also Published As

Publication number Publication date
JPS5566347A (en) 1980-05-19
US4306778A (en) 1981-12-22

Similar Documents

Publication Publication Date Title
TW201831953A (zh) 基於經由光導光學元件之視網膜成像的眼動追蹤器
JPS6148938B2 (en, 2012)
JPS6153052B2 (en, 2012)
JPS6324927A (ja) 眼科測定装置
JP2749818B2 (ja) 視線検出装置
US5781275A (en) Eye refractometer and eye refractive power measuring apparatus for electro-optically measuring the refractive power of the eye
JP2861349B2 (ja) 視線検出手段を有した光学装置
JPH02264632A (ja) 視線検出装置
JPS6332451B2 (en, 2012)
JPS6111088B2 (en, 2012)
JP3576656B2 (ja) 眼科器械用位置合わせ検出装置
JPH0417048B2 (en, 2012)
JPH10307314A (ja) 観察光学装置
JP2001340299A (ja) 眼光学特性測定装置
US4277150A (en) Eye refractmeter
JP3235853B2 (ja) 眼底検査装置
JP2002336199A (ja) 検眼装置
JPH06138369A (ja) 視線検出装置
JPS6254494B2 (en, 2012)
JPH027651B2 (en, 2012)
JPH0531076A (ja) 視機能検査装置
JPH05192298A (ja) 眼位検査装置
JPS6132642Y2 (en, 2012)
JP2995878B2 (ja) 視線検出装置を有した光学装置
JP2794752B2 (ja) 視軸検出手段を有した光学装置