JPH0554333B2 - - Google Patents

Info

Publication number
JPH0554333B2
JPH0554333B2 JP60111538A JP11153885A JPH0554333B2 JP H0554333 B2 JPH0554333 B2 JP H0554333B2 JP 60111538 A JP60111538 A JP 60111538A JP 11153885 A JP11153885 A JP 11153885A JP H0554333 B2 JPH0554333 B2 JP H0554333B2
Authority
JP
Japan
Prior art keywords
eye
circuit
index
measurement
image
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
JP60111538A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61268228A (ja
Inventor
Yasuo Kato
Yasufumi Fukuma
Kiwamu Horiguchi
Kiichi Kamyama
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
Priority to JP60111538A priority Critical patent/JPS61268228A/ja
Priority to US06/866,247 priority patent/US4744648A/en
Publication of JPS61268228A publication Critical patent/JPS61268228A/ja
Publication of JPH0554333B2 publication Critical patent/JPH0554333B2/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)
JP60111538A 1985-05-24 1985-05-24 眼屈折力測定装置 Granted JPS61268228A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60111538A JPS61268228A (ja) 1985-05-24 1985-05-24 眼屈折力測定装置
US06/866,247 US4744648A (en) 1985-05-24 1986-05-23 Eye refractive power measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60111538A JPS61268228A (ja) 1985-05-24 1985-05-24 眼屈折力測定装置

Publications (2)

Publication Number Publication Date
JPS61268228A JPS61268228A (ja) 1986-11-27
JPH0554333B2 true JPH0554333B2 (en, 2012) 1993-08-12

Family

ID=14563896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60111538A Granted JPS61268228A (ja) 1985-05-24 1985-05-24 眼屈折力測定装置

Country Status (2)

Country Link
US (1) US4744648A (en, 2012)
JP (1) JPS61268228A (en, 2012)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL81928A (en) * 1987-03-18 1992-08-18 A T Systems Applic Of Advanced Apparatus for monitoring the eyes of an operator
DE68921375T2 (de) * 1988-06-27 1995-10-26 Ryusyo Industrial Co., Ltd., Osaka Messgerät für die Brechkraft des Auges.
US5042940A (en) * 1988-10-11 1991-08-27 Ryusyo Industrial Co., Ltd. Optical measuring apparatus for examining eye
US5206672A (en) * 1990-09-05 1993-04-27 Nestle S.A. Surgical optometer
JP3168212B2 (ja) * 1991-01-30 2001-05-21 株式会社ニデック 眼屈折力測定装置
US5572361A (en) * 1991-10-17 1996-11-05 Minolta Camera Kabushiki Kaisha Binocular system with automatic diopter power adjustment
US5684561A (en) * 1992-05-26 1997-11-04 Daphne Eye Technologies Device and method for evaluation of refraction of the eye
US5523809A (en) * 1992-08-25 1996-06-04 Canon Kabushiki Kaisha Eye refraction measuring apparatus including optical path separating member light beam separating member, and/or light diameter changing means
JPH08564A (ja) * 1994-06-17 1996-01-09 Nikon Corp 眼科装置
TW201138714A (en) * 2009-11-24 2011-11-16 Univ Nova Southeastern A double pass device for retinal-image quality measurement
EP3801197A1 (en) * 2018-06-06 2021-04-14 Alcon Inc. Systems and methods for reflection-based positioning relative to an eye

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196979A (en) * 1976-10-16 1980-04-08 Canon Kabushiki Kaisha Method and device for detecting distance between eye-examining instrument and eye
JPS5668428A (en) * 1979-11-09 1981-06-09 Tokyo Optical Refraction force measuring apparatus
JPS56106640A (en) * 1980-01-30 1981-08-25 Asahi Optical Co Ltd Measuring device for error of eye refraction

Also Published As

Publication number Publication date
JPS61268228A (ja) 1986-11-27
US4744648A (en) 1988-05-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term