GB1479568A - Apparatus for testing the visual acuity and reflexes of a subject - Google Patents

Apparatus for testing the visual acuity and reflexes of a subject

Info

Publication number
GB1479568A
GB1479568A GB1712/76A GB171276A GB1479568A GB 1479568 A GB1479568 A GB 1479568A GB 1712/76 A GB1712/76 A GB 1712/76A GB 171276 A GB171276 A GB 171276A GB 1479568 A GB1479568 A GB 1479568A
Authority
GB
United Kingdom
Prior art keywords
patient
sequence
visual acuity
sight
displaying
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
GB1712/76A
Other languages
English (en)
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.)
LELOUCH F
Original Assignee
LELOUCH F
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 LELOUCH F filed Critical LELOUCH F
Publication of GB1479568A publication Critical patent/GB1479568A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/162—Testing reaction times
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/02—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for optical devices, e.g. telescopes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Psychiatry (AREA)
  • Pathology (AREA)
  • Social Psychology (AREA)
  • Psychology (AREA)
  • Hospice & Palliative Care (AREA)
  • Educational Technology (AREA)
  • Developmental Disabilities (AREA)
  • Child & Adolescent Psychology (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Eye Examination Apparatus (AREA)
GB1712/76A 1975-01-23 1976-01-16 Apparatus for testing the visual acuity and reflexes of a subject Expired GB1479568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7502066A FR2298310A1 (fr) 1975-01-23 1975-01-23 Appareil de controle sensoriel d'un sujet

Publications (1)

Publication Number Publication Date
GB1479568A true GB1479568A (en) 1977-07-13

Family

ID=9150217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1712/76A Expired GB1479568A (en) 1975-01-23 1976-01-16 Apparatus for testing the visual acuity and reflexes of a subject

Country Status (5)

Country Link
US (1) US4070102A (enExample)
CA (1) CA1078175A (enExample)
DE (1) DE2602248A1 (enExample)
FR (1) FR2298310A1 (enExample)
GB (1) GB1479568A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129963A (en) * 1982-10-29 1984-05-23 Coherent Inc Visual acuity tester
GB2148534A (en) * 1983-10-12 1985-05-30 Guyton D L Determining potential visual acuity
GB2352399A (en) * 1999-06-10 2001-01-31 David Stephen Warren Reaction and concentration enhancing machine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US11191316B2 (en) 2017-04-26 2021-12-07 Fend Corp. Collapsible helmet
EP4333688A4 (en) * 2021-05-03 2025-03-05 Junzhong Liang SYSTEMS FOR REMOTE EYE EXAMINATIONS AND AUTO-REFRACTION OF HUMAN EYES

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US416599A (en) * 1889-12-03 green
US3012472A (en) * 1959-02-26 1961-12-12 Titmus Optical Company Inc Eye testing apparatus
US3288546A (en) * 1965-03-30 1966-11-29 Jerome A Gans Automatic self-recording visual field tester
US3486813A (en) * 1967-05-05 1969-12-30 Tracor Vision testing device
US3573843A (en) * 1968-02-16 1971-04-06 Industrial Nucleonics Corp Data and time recorder
US3698385A (en) * 1970-10-07 1972-10-17 Nasa Reaction tester
US3747589A (en) * 1971-05-19 1973-07-24 Xerox Corp Reaction time testing apparatus
USRE28921E (en) 1971-07-06 1976-08-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Visual examination apparatus
US3864695A (en) * 1972-09-25 1975-02-04 Asahi Optical Co Ltd Pen having vertical movement control
US3861790A (en) * 1973-02-14 1975-01-21 Raymond M Tamura Dynamic visual acuity testing system
US3905688A (en) * 1973-09-24 1975-09-16 Baylor College Medicine Apparatus for determining the acuity of a human

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129963A (en) * 1982-10-29 1984-05-23 Coherent Inc Visual acuity tester
GB2148534A (en) * 1983-10-12 1985-05-30 Guyton D L Determining potential visual acuity
GB2352399A (en) * 1999-06-10 2001-01-31 David Stephen Warren Reaction and concentration enhancing machine

Also Published As

Publication number Publication date
FR2298310B1 (enExample) 1977-11-10
DE2602248A1 (de) 1976-07-29
FR2298310A1 (fr) 1976-08-20
US4070102A (en) 1978-01-24
CA1078175A (fr) 1980-05-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee