JPS6152695B2 - - Google Patents

Info

Publication number
JPS6152695B2
JPS6152695B2 JP55059994A JP5999480A JPS6152695B2 JP S6152695 B2 JPS6152695 B2 JP S6152695B2 JP 55059994 A JP55059994 A JP 55059994A JP 5999480 A JP5999480 A JP 5999480A JP S6152695 B2 JPS6152695 B2 JP S6152695B2
Authority
JP
Japan
Prior art keywords
ring slit
light
lens
optical system
objective lens
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
JP55059994A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56166832A (en
Inventor
Yoichi Iba
Kenichi Nakabashi
Masaki Matsubara
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.)
Olympus Corp
Original Assignee
Olympus 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP5999480A priority Critical patent/JPS56166832A/ja
Priority to US06/260,395 priority patent/US4439023A/en
Priority to DE3118186A priority patent/DE3118186C2/de
Publication of JPS56166832A publication Critical patent/JPS56166832A/ja
Publication of JPS6152695B2 publication Critical patent/JPS6152695B2/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
    • A61B3/14—Arrangements specially adapted for eye photography

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)
JP5999480A 1980-05-08 1980-05-08 Optical system of ophthalmic machine Granted JPS56166832A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5999480A JPS56166832A (en) 1980-05-08 1980-05-08 Optical system of ophthalmic machine
US06/260,395 US4439023A (en) 1980-05-08 1981-05-04 Optical system for ophthalmological instruments
DE3118186A DE3118186C2 (de) 1980-05-08 1981-05-08 Funduskamera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5999480A JPS56166832A (en) 1980-05-08 1980-05-08 Optical system of ophthalmic machine

Publications (2)

Publication Number Publication Date
JPS56166832A JPS56166832A (en) 1981-12-22
JPS6152695B2 true JPS6152695B2 (en]) 1986-11-14

Family

ID=13129224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5999480A Granted JPS56166832A (en) 1980-05-08 1980-05-08 Optical system of ophthalmic machine

Country Status (3)

Country Link
US (1) US4439023A (en])
JP (1) JPS56166832A (en])
DE (1) DE3118186C2 (en])

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59167502U (ja) * 1983-04-26 1984-11-09 興和株式会社 ベツドサイド用眼底カメラ
US5110200A (en) * 1989-06-30 1992-05-05 Technitex, Inc. Video keratometer
US5735283A (en) * 1996-10-09 1998-04-07 Snook; Richard Kieth Surgical keratometer system for measuring surface topography of a cornea during surgery
EP1011414A4 (en) * 1997-04-01 2004-04-21 Univ Johns Hopkins SEMI-AUTOMATIC, HIGH-RESOLUTION ARRANGEMENT FOR THE WIDE-ANGLE IMAGE OF THE EYE BACKGROUND
EP1152687B1 (en) 1998-11-24 2004-09-01 Welch Allyn, Inc. Eye viewing device for retinal viewing through undilated pupil
US6637882B1 (en) 1998-11-24 2003-10-28 Welch Allyn, Inc. Eye viewing device for retinal viewing through undilated pupil
DE602004020505D1 (de) * 2003-10-28 2009-05-20 Welch Allyn Inc Digitales dokumentier-ophthalmoskop
US10228543B2 (en) * 2017-03-31 2019-03-12 Sony Interactive Entertainment Inc. Zoom apparatus and associated methods
CN111035361B (zh) * 2019-12-28 2022-06-21 重庆贝奥新视野医疗设备有限公司 一种眼底相机成像和照明系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102563A (en) * 1975-12-01 1978-07-25 Canon Kabushiki Kaisha Eye fundus camera free from undesired reflected and diffused light beams
JPS6057853B2 (ja) * 1975-12-08 1985-12-17 キヤノン株式会社 眼底カメラ

Also Published As

Publication number Publication date
DE3118186C2 (de) 1986-01-02
JPS56166832A (en) 1981-12-22
DE3118186A1 (de) 1982-02-18
US4439023A (en) 1984-03-27

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