JPH0323167B2 - - Google Patents

Info

Publication number
JPH0323167B2
JPH0323167B2 JP58058497A JP5849783A JPH0323167B2 JP H0323167 B2 JPH0323167 B2 JP H0323167B2 JP 58058497 A JP58058497 A JP 58058497A JP 5849783 A JP5849783 A JP 5849783A JP H0323167 B2 JPH0323167 B2 JP H0323167B2
Authority
JP
Japan
Prior art keywords
signal
circuit
index
index image
output
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
JP58058497A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59183727A (ja
Inventor
Susumu Takahashi
Kiwamu Horiguchi
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.)
TOPUKON KK
Original Assignee
TOPUKON 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 TOPUKON KK filed Critical TOPUKON KK
Priority to JP58058497A priority Critical patent/JPS59183727A/ja
Priority to US06/594,675 priority patent/US4626089A/en
Publication of JPS59183727A publication Critical patent/JPS59183727A/ja
Publication of JPH0323167B2 publication Critical patent/JPH0323167B2/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
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
  • Automatic Focus Adjustment (AREA)
JP58058497A 1983-04-02 1983-04-02 眼科器械の合焦検出装置 Granted JPS59183727A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58058497A JPS59183727A (ja) 1983-04-02 1983-04-02 眼科器械の合焦検出装置
US06/594,675 US4626089A (en) 1983-04-02 1984-03-29 Ophthalmic instrument having a focus detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58058497A JPS59183727A (ja) 1983-04-02 1983-04-02 眼科器械の合焦検出装置

Publications (2)

Publication Number Publication Date
JPS59183727A JPS59183727A (ja) 1984-10-18
JPH0323167B2 true JPH0323167B2 (en, 2012) 1991-03-28

Family

ID=13086054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58058497A Granted JPS59183727A (ja) 1983-04-02 1983-04-02 眼科器械の合焦検出装置

Country Status (2)

Country Link
US (1) US4626089A (en, 2012)
JP (1) JPS59183727A (en, 2012)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3689757T2 (de) * 1985-01-22 1994-11-03 Topcon Corp Gerät zur Messung der Brechkraft der Augen.
JPS61268230A (ja) * 1985-05-22 1986-11-27 興和株式会社 眼科測定装置
US5106183A (en) * 1987-11-25 1992-04-21 Taunton Technologies, Inc. Topography measuring apparatus
US4902123A (en) * 1987-11-25 1990-02-20 Taunton Technologies, Inc. Topography measuring apparatus
US4998819A (en) * 1987-11-25 1991-03-12 Taunton Technologies, Inc. Topography measuring apparatus
US5231674A (en) * 1989-06-09 1993-07-27 Lc Technologies, Inc. Eye tracking method and apparatus
US4974010A (en) * 1989-06-09 1990-11-27 Lc Technologies, Inc. Focus control system
US5090797A (en) * 1989-06-09 1992-02-25 Lc Technologies Inc. Method and apparatus for mirror control
DE102007036683B4 (de) * 2007-08-03 2017-10-26 Carl Zeiss Meditec Ag Vorrichtung und Verfahren zur automatischen Fokussierung einer non-mydriatischen Funduskamera
US10149615B2 (en) 2012-11-30 2018-12-11 Kabushiki Kaisha Topcon Fundus imaging apparatus that determines a state of alignment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452895A (en) * 1977-10-05 1979-04-25 Canon Kk Eyeground camera
JPS56151929A (en) * 1980-04-25 1981-11-25 Canon Inc Fundus camera
JPS57125732A (en) * 1981-01-29 1982-08-05 Tokyo Optical Apparatus for detecting focus position in ophthalmic machine
JPS57175346A (en) * 1981-04-24 1982-10-28 Tokyo Optical Automatic focusing apparatus of ophthalmic machine

Also Published As

Publication number Publication date
JPS59183727A (ja) 1984-10-18
US4626089A (en) 1986-12-02

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