DE2346437A1 - Vorrichtung zur betrachtung und zum photographieren des augenhintergrundes - Google Patents

Vorrichtung zur betrachtung und zum photographieren des augenhintergrundes

Info

Publication number
DE2346437A1
DE2346437A1 DE19732346437 DE2346437A DE2346437A1 DE 2346437 A1 DE2346437 A1 DE 2346437A1 DE 19732346437 DE19732346437 DE 19732346437 DE 2346437 A DE2346437 A DE 2346437A DE 2346437 A1 DE2346437 A1 DE 2346437A1
Authority
DE
Germany
Prior art keywords
lens
eye
viewing
examined
optical system
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.)
Pending
Application number
DE19732346437
Other languages
German (de)
English (en)
Inventor
Isao Matsumura
Eiichi Takano
Kunui Takesi
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE2346437A1 publication Critical patent/DE2346437A1/de
Pending 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)
  • Lenses (AREA)
DE19732346437 1972-09-16 1973-09-14 Vorrichtung zur betrachtung und zum photographieren des augenhintergrundes Pending DE2346437A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47092230A JPS5225252B2 (en, 2012) 1972-09-16 1972-09-16

Publications (1)

Publication Number Publication Date
DE2346437A1 true DE2346437A1 (de) 1974-04-11

Family

ID=14048623

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732346437 Pending DE2346437A1 (de) 1972-09-16 1973-09-14 Vorrichtung zur betrachtung und zum photographieren des augenhintergrundes

Country Status (3)

Country Link
US (1) US3914032A (en, 2012)
JP (1) JPS5225252B2 (en, 2012)
DE (1) DE2346437A1 (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722682A1 (de) * 1976-05-19 1977-11-24 Canon Kk Ophthalmoskopisches system mit einem weitwinkelobjektiv
DE2716616A1 (de) * 1977-04-15 1978-10-19 Zeiss Carl Fa Weitwinkelobjektiv zur visuellen und photographischen untersuchung des fundus

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914724B2 (ja) * 1974-10-24 1984-04-05 佐藤 昌弘 眼底観察撮影装置の光学系
US4006486A (en) * 1975-09-19 1977-02-01 The Babcock & Wilcox Company Optical viewing, photographic device for vapor generator
US4198144A (en) * 1976-04-01 1980-04-15 Canon Kabushiki Kaisha Eye fundus camera
JPS52150645A (en) * 1976-06-09 1977-12-14 Canon Inc Objective lens for opthalmology
JPS5424017A (en) * 1977-07-25 1979-02-23 Tokyo Optical Device for taking fluorescent eyeground photography
JPS5430695A (en) * 1977-08-09 1979-03-07 Canon Kk Variable angular ophthalmologic device
DE2915639C2 (de) * 1978-04-19 1988-06-16 Canon K.K., Tokio/Tokyo Augenuntersuchungsgerät zur Untersuchung des Augenhintergrundes
US4157216A (en) * 1978-06-26 1979-06-05 Polaroid Corporation Adapter for optically coupling a photographic camera with a viewing device
JPS5591336A (en) * 1978-12-29 1980-07-10 Nippon Chemical Ind Optical system for observing and photographing eyeground
US4226518A (en) * 1979-05-11 1980-10-07 Ferdinand Kellner Photographic camera having long focal length objective
US4304483A (en) * 1979-12-13 1981-12-08 Whitten Mark E Hand-held retina photographing apparatus
JPS57180935A (en) * 1981-04-28 1982-11-08 Olympus Optical Co Illumination light amount controllable eye bottom camera
JPS58108509A (ja) * 1981-12-22 1983-06-28 Asahi Optical Co Ltd 間接倒像眼底鏡用非球面レンズ
US4738521A (en) * 1982-10-28 1988-04-19 David Volk Lens for indirect ophthalmoscopy
US4669839A (en) * 1983-09-16 1987-06-02 Carl-Zeiss-Stiftung Optical system for therapeutic use of laser light
ID24380A (id) * 1997-04-01 2000-07-13 Johns Hopkins University Cs Sebuah sistem untuk pencitraan suatu fudus okuler secara semi otomatis dengan resolusi tinggi dan bidang yang lebar
JP3905312B2 (ja) 1998-11-24 2007-04-18 ウェルチ・アリン・インコーポレーテッド 未拡張瞳孔を通した網膜視用目視装置
US6637882B1 (en) * 1998-11-24 2003-10-28 Welch Allyn, Inc. Eye viewing device for retinal viewing through undilated pupil
CA2544183A1 (en) 2003-10-28 2005-05-19 Welch Allyn, Inc. Digital documenting ophthalmoscope
US7174094B2 (en) * 2005-02-07 2007-02-06 Peter Norman Steinkamp System and method for reflex-free coaxial illumination
US8491470B1 (en) * 2011-10-27 2013-07-23 Russell E. Wageneck Self-examination otoscope
WO2013071153A1 (en) 2011-11-09 2013-05-16 Welch Allyn, Inc. Digital-based medical devices
US10078226B2 (en) 2013-10-14 2018-09-18 Welch Allyn, Inc. Portable eye viewing device enabled for enhanced field of view
US9675246B2 (en) 2014-09-15 2017-06-13 Welch Allyn, Inc. Borescopic optical system for medical diagnostic instruments and medical diagnostic instruments having interlocking assembly features
CN106725293B (zh) * 2017-01-12 2018-10-09 上海美沃精密仪器股份有限公司 透镜模组及使用该透镜模组的眼底成像设备
US11147441B2 (en) 2018-01-16 2021-10-19 Welch Allyn, Inc. Physical assessment device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633122A (en) * 1949-06-24 1953-03-31 Mauno V Vannas Ophthalmoscope
US3089398A (en) * 1959-07-21 1963-05-14 Zeiss Carl Ophthalmic cameras
US3598478A (en) * 1968-11-26 1971-08-10 Plastic Contact Lens Co Apparatus for determining cornea contour
US3594071A (en) * 1969-10-07 1971-07-20 Nippon Kogaku Kk Ophthalmoscopic camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722682A1 (de) * 1976-05-19 1977-11-24 Canon Kk Ophthalmoskopisches system mit einem weitwinkelobjektiv
DE2716616A1 (de) * 1977-04-15 1978-10-19 Zeiss Carl Fa Weitwinkelobjektiv zur visuellen und photographischen untersuchung des fundus

Also Published As

Publication number Publication date
JPS5225252B2 (en, 2012) 1977-07-06
US3914032A (en) 1975-10-21
JPS4951931A (en, 2012) 1974-05-20

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