DE3118186C2 - Funduskamera - Google Patents

Funduskamera

Info

Publication number
DE3118186C2
DE3118186C2 DE3118186A DE3118186A DE3118186C2 DE 3118186 C2 DE3118186 C2 DE 3118186C2 DE 3118186 A DE3118186 A DE 3118186A DE 3118186 A DE3118186 A DE 3118186A DE 3118186 C2 DE3118186 C2 DE 3118186C2
Authority
DE
Germany
Prior art keywords
objective lens
annular diaphragm
light source
image
observation
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
DE3118186A
Other languages
German (de)
English (en)
Other versions
DE3118186A1 (de
Inventor
Youich Iba
Masaki Hachiouji Matsubara
Ken-Ichi Nakahashi
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
Publication of DE3118186A1 publication Critical patent/DE3118186A1/de
Application granted granted Critical
Publication of DE3118186C2 publication Critical patent/DE3118186C2/de
Expired 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)
DE3118186A 1980-05-08 1981-05-08 Funduskamera Expired DE3118186C2 (de)

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
DE3118186A1 DE3118186A1 (de) 1982-02-18
DE3118186C2 true DE3118186C2 (de) 1986-01-02

Family

ID=13129224

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3118186A Expired DE3118186C2 (de) 1980-05-08 1981-05-08 Funduskamera

Country Status (3)

Country Link
US (1) US4439023A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56166832A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3118186C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
AU737411B2 (en) * 1997-04-01 2001-08-16 Johns Hopkins University, The A system for imaging an ocular fundus semi-automatically at high resolution and wide field
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
DE3118186A1 (de) 1982-02-18
JPS6152695B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-14
JPS56166832A (en) 1981-12-22
US4439023A (en) 1984-03-27

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee