GB2204144A - Ophthalmoscope free from corneal reflection - Google Patents

Ophthalmoscope free from corneal reflection Download PDF

Info

Publication number
GB2204144A
GB2204144A GB8710010A GB8710010A GB2204144A GB 2204144 A GB2204144 A GB 2204144A GB 8710010 A GB8710010 A GB 8710010A GB 8710010 A GB8710010 A GB 8710010A GB 2204144 A GB2204144 A GB 2204144A
Authority
GB
United Kingdom
Prior art keywords
light
optical system
ophthalmoscope
eyeground
illumination optical
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
GB8710010A
Other languages
English (en)
Other versions
GB8710010D0 (en
Inventor
Isao Kawai
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.)
NEITZ INSTR Co Ltd
Neitz Instruments Co Ltd
Original Assignee
NEITZ INSTR Co Ltd
Neitz Instruments 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 NEITZ INSTR Co Ltd, Neitz Instruments Co Ltd filed Critical NEITZ INSTR Co Ltd
Priority to GB8710010A priority Critical patent/GB2204144A/en
Priority to DE19873714889 priority patent/DE3714889A1/de
Publication of GB8710010D0 publication Critical patent/GB8710010D0/en
Publication of GB2204144A publication Critical patent/GB2204144A/en
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
    • A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
    • A61B3/156—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for blocking

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)
GB8710010A 1987-04-28 1987-04-28 Ophthalmoscope free from corneal reflection Pending GB2204144A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8710010A GB2204144A (en) 1987-04-28 1987-04-28 Ophthalmoscope free from corneal reflection
DE19873714889 DE3714889A1 (de) 1987-04-28 1987-05-05 Hornhautreflexionsfreies ophthalmoskop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8710010A GB2204144A (en) 1987-04-28 1987-04-28 Ophthalmoscope free from corneal reflection

Publications (2)

Publication Number Publication Date
GB8710010D0 GB8710010D0 (en) 1987-06-03
GB2204144A true GB2204144A (en) 1988-11-02

Family

ID=10616470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8710010A Pending GB2204144A (en) 1987-04-28 1987-04-28 Ophthalmoscope free from corneal reflection

Country Status (2)

Country Link
DE (1) DE3714889A1 (de)
GB (1) GB2204144A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998818A (en) * 1989-08-23 1991-03-12 Welch Allyn, Inc. Ophthalmoscope with linear polarizer
EP0532437A1 (de) * 1991-09-11 1993-03-17 Welch Allyn, Inc. Filter-Vorrichtung für Retinoskop
GB2387663A (en) * 2002-04-17 2003-10-22 Roger Hanif Armour Ophthalmoscope with baffle
GB2407395B (en) * 2003-10-21 2008-03-05 Ophthalmos Ltd Ophthalmoscope
DE102014116457A1 (de) 2014-11-11 2016-05-12 Heine Optotechnik Gmbh & Co Kg Lupenvorrichtung mit Polfilter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB440735A (en) * 1934-07-05 1936-01-06 Charles Henry Keeler Improvements in or relating to ophthalmoscopes
GB730486A (en) * 1951-10-01 1955-05-25 Bataafsche Petroleum A process for separating ketones from mixtures thereof with other compounds
GB782318A (en) * 1954-08-31 1957-09-04 Oculus Optikgeraete G M B H Improvements in or relating to ophthalmological hand instruments
US4063806A (en) * 1974-02-13 1977-12-20 Cavitron Corporation Coaxial ophthalmoscope arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB440735A (en) * 1934-07-05 1936-01-06 Charles Henry Keeler Improvements in or relating to ophthalmoscopes
GB730486A (en) * 1951-10-01 1955-05-25 Bataafsche Petroleum A process for separating ketones from mixtures thereof with other compounds
GB782318A (en) * 1954-08-31 1957-09-04 Oculus Optikgeraete G M B H Improvements in or relating to ophthalmological hand instruments
US4063806A (en) * 1974-02-13 1977-12-20 Cavitron Corporation Coaxial ophthalmoscope arrangement

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998818A (en) * 1989-08-23 1991-03-12 Welch Allyn, Inc. Ophthalmoscope with linear polarizer
DE4024951B4 (de) * 1989-08-23 2004-07-15 Welch Allyn, Inc. Ophtalmoskop
EP0532437A1 (de) * 1991-09-11 1993-03-17 Welch Allyn, Inc. Filter-Vorrichtung für Retinoskop
GB2387663A (en) * 2002-04-17 2003-10-22 Roger Hanif Armour Ophthalmoscope with baffle
WO2003088828A1 (en) 2002-04-17 2003-10-30 Ophthalmos Limited Lens-free ophthalmoscope
GB2387663B (en) * 2002-04-17 2005-10-12 Roger Hanif Armour Ophthalmoscope
US7484848B2 (en) * 2002-04-17 2009-02-03 Roger Hanif Armour Lens-free ophtalmoscope
GB2407395B (en) * 2003-10-21 2008-03-05 Ophthalmos Ltd Ophthalmoscope
DE102014116457A1 (de) 2014-11-11 2016-05-12 Heine Optotechnik Gmbh & Co Kg Lupenvorrichtung mit Polfilter

Also Published As

Publication number Publication date
DE3714889A1 (de) 1988-11-24
GB8710010D0 (en) 1987-06-03

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