CH618086A5 - - Google Patents

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Publication number
CH618086A5
CH618086A5 CH243077A CH243077A CH618086A5 CH 618086 A5 CH618086 A5 CH 618086A5 CH 243077 A CH243077 A CH 243077A CH 243077 A CH243077 A CH 243077A CH 618086 A5 CH618086 A5 CH 618086A5
Authority
CH
Switzerland
Prior art keywords
test screen
person
light
contrast
light source
Prior art date
Application number
CH243077A
Other languages
German (de)
English (en)
Inventor
Myron Lee Wolbarsht
Original Assignee
Acadia Assoc
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 Acadia Assoc filed Critical Acadia Assoc
Publication of CH618086A5 publication Critical patent/CH618086A5/de

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
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
    • A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors

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)
CH243077A 1976-02-26 1977-02-25 CH618086A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/661,807 US4155632A (en) 1976-02-26 1976-02-26 Method and apparatus for testing vision

Publications (1)

Publication Number Publication Date
CH618086A5 true CH618086A5 (fr) 1980-07-15

Family

ID=24655194

Family Applications (1)

Application Number Title Priority Date Filing Date
CH243077A CH618086A5 (fr) 1976-02-26 1977-02-25

Country Status (6)

Country Link
US (1) US4155632A (fr)
JP (1) JPS52115595A (fr)
CH (1) CH618086A5 (fr)
DE (1) DE2707912A1 (fr)
FR (1) FR2342051A1 (fr)
GB (1) GB1572109A (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946325C2 (de) * 1979-11-16 1982-04-22 Optische Werke G. Rodenstock, 8000 München Testfeld für ein Gerät zur Prüfung des Sehvermögens
US4399459A (en) * 1981-10-30 1983-08-16 Nicolet Instrument Corporation Flexible video synchronization circuit
US4415921A (en) * 1981-10-30 1983-11-15 Nicolet Instrument Corporation Automatic calibration system for video displays in vision testing
JPS60171030A (ja) * 1984-02-16 1985-09-04 株式会社ニコン 視力検査装置
US4618231A (en) * 1984-02-22 1986-10-21 The United States Of America As Represented By The Secretary Of The Air Force Accommodative amplitude and speed measuring instrument
US4607923A (en) * 1985-01-10 1986-08-26 Task Harry L Contrast sensitivity function measurement chart and method
US4615594A (en) * 1985-01-23 1986-10-07 The United States Of America As Represented By The Secretary Of The Air Force Vision test chart and method using Gaussians
US4844607A (en) * 1985-10-29 1989-07-04 Stereo Optical Company, Inc. Vision tester with color corrected illuminating system
US4740072A (en) * 1986-01-29 1988-04-26 Titmus Optical, Inc. Vision testing apparatus
US5007730A (en) * 1986-03-03 1991-04-16 Mcallister John A Method and apparatus for measuring vision blockage resulting from glare
EP0236081A3 (fr) * 1986-03-03 1988-03-30 Tim Cannon Taylor Procédé et appareil de mesure du degré de désordre visuel dû à l'éblouissement
JPS62281920A (ja) * 1986-05-29 1987-12-07 三星　十久子 視機能検査装置
JPH01270846A (ja) * 1988-04-22 1989-10-30 Topcon Corp 検眼装置
CA2027781A1 (fr) * 1989-10-20 1991-04-21 Bosko Jovicevic Methode et appareil servant a mesurer l'acuite visuelle
FR2679759B1 (fr) * 1991-08-01 1993-12-10 Opsia Materiel de test d'acuite visuelle et/ou de sensibilite aux contrastes spatiaux chez l'homme, dispositif et procede de fabrication correspondants.
US5483305A (en) * 1993-01-25 1996-01-09 Canon Kabushiki Kaisha Eye examining apparatus
US5381196A (en) * 1993-07-13 1995-01-10 Leica Inc. Contrast sensitivity tester
DE29521899U1 (de) * 1995-01-19 1998-09-03 Oculus Optikgeraete Gmbh Sehtestgerät
GB2303466A (en) * 1995-07-20 1997-02-19 Mark Michael Cardiff Dunn Contrast vision screening
IT1285468B1 (it) * 1996-02-23 1998-06-08 C S O Srl Proiettore di ottotipi a contrasto variabile
US6099126A (en) * 1999-11-04 2000-08-08 Teskey; Susan Sunlight sensitivity tester
US6652102B2 (en) * 2000-10-20 2003-11-25 Nidek Co., Ltd Visual function test apparatus
JP3942429B2 (ja) * 2001-12-28 2007-07-11 株式会社トプコン コントラスト感度測定装置
JP4570796B2 (ja) * 2001-02-08 2010-10-27 株式会社トプコン コントラストチャート装置
CA2438109A1 (fr) * 2001-02-08 2002-08-15 Topcon Corporation Appareil d'echelle de contraste, appareil de mesure de sensibilite au contraste, et procede correspondant
DE10331592A1 (de) * 2003-07-08 2005-02-03 Carl Zeiss Meditec Ag Augenuntersuchungsgerät
FR2862515B1 (fr) * 2003-11-21 2006-10-27 Essilor Int Appareil de diagnostic ophtalmique pour differents types de tests
US8328354B2 (en) 2010-09-20 2012-12-11 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Systems and methods for binocular vision diagnosis and treatment
JP6471403B2 (ja) * 2013-01-31 2019-02-20 株式会社ニデック 検眼装置
US9833137B1 (en) * 2014-05-02 2017-12-05 Innova Systems, Inc. Method and apparatus for administering a low luminance visual dysfunction test
US10561312B2 (en) * 2014-05-02 2020-02-18 Cheryl Nordstrom Method and apparatus for administering a low luminance visual dysfunction test
DE102014119112A1 (de) * 2014-12-18 2016-06-23 Carl Zeiss Meditec Ag Verfahren zum Bestimmen eines Sehvermögens eines menschlichen Auges sowie Messsystem
GB201602068D0 (en) * 2016-02-05 2016-03-23 Univ Bristol Measuring sensitivity to polarized light
GB201806829D0 (en) * 2018-04-26 2018-06-13 Azul Optics Ltd Testing a subjects vision

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1437809A (en) * 1922-12-05 jones
US1647017A (en) * 1925-08-01 1927-10-25 William P Reaves Optical apparatus
US2184507A (en) * 1937-07-02 1939-12-26 Bausch & Lomb Apparatus for testing vision
US2209728A (en) * 1939-04-01 1940-07-30 Henry R Higley Glaremeter
US2294382A (en) * 1939-11-04 1942-09-01 Dartmouth College Binocular eye test
US2364795A (en) * 1942-09-25 1944-12-12 Koehler Richard Door handle and latch
US2422384A (en) * 1945-04-03 1947-06-17 Keystone View Company Stereoscopical instrument
US2567003A (en) * 1949-11-17 1951-09-04 Lee R Wottring Vision plotting device
US2674153A (en) * 1951-05-22 1954-04-06 Keystone View Company Vision classifier instrument
US2799203A (en) * 1953-03-26 1957-07-16 Armstrong Cork Co Apparatus for image definition
DE1282847B (de) * 1963-09-18 1968-11-14 Elfriede Aulhorn Geb Andreae D Geraet zur linearen AEnderung der Leuchtdichte eines auf einem Schirm wiedergegebenen Sehzeichens innerhalb eines beleuchteten Umfeldes
DE1963161U (de) * 1966-07-09 1967-06-29 Rodenstock Optik G Binokulares sehtestgeraet.
US3469904A (en) * 1966-09-16 1969-09-30 Indiana University Foundation Night vision performance tester
US3684355A (en) * 1970-07-02 1972-08-15 Biometrics Inc Glare susceptibility tester
CH535039A (de) * 1971-03-05 1973-03-31 Biviator Sa Verfahren zur Ermittlung der Flimmerverschmelzungsfrequenz und Gerät zur Durchführung dieses Verfahrens
US3910690A (en) * 1972-02-02 1975-10-07 Wilkinson Sword Ltd Method and apparatus for determining visual acuity in a human subject
DE2321570A1 (de) * 1973-04-28 1974-11-07 Rodenstock Optik G Sehtestgeraet vorzugsweise zur ermittlung des daemmerungssehvermoegens
US4027954A (en) * 1975-02-10 1977-06-07 School Health Supply Company Eye-testing apparatus

Also Published As

Publication number Publication date
FR2342051B1 (fr) 1982-11-12
JPS6119261B2 (fr) 1986-05-16
DE2707912C2 (fr) 1989-09-28
JPS52115595A (en) 1977-09-28
GB1572109A (en) 1980-07-23
FR2342051A1 (fr) 1977-09-23
DE2707912A1 (de) 1977-09-01
US4155632A (en) 1979-05-22

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PL Patent ceased