JPS6456201U - - Google Patents

Info

Publication number
JPS6456201U
JPS6456201U JP1987150812U JP15081287U JPS6456201U JP S6456201 U JPS6456201 U JP S6456201U JP 1987150812 U JP1987150812 U JP 1987150812U JP 15081287 U JP15081287 U JP 15081287U JP S6456201 U JPS6456201 U JP S6456201U
Authority
JP
Japan
Prior art keywords
optotype
plain
vertically striped
attached
plate
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.)
Granted
Application number
JP1987150812U
Other languages
English (en)
Other versions
JPH0335282Y2 (ja
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 filed Critical
Priority to JP1987150812U priority Critical patent/JPH0335282Y2/ja
Priority to US07/251,699 priority patent/US5054908A/en
Publication of JPS6456201U publication Critical patent/JPS6456201U/ja
Application granted granted Critical
Publication of JPH0335282Y2 publication Critical patent/JPH0335282Y2/ja
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
    • A61B3/02—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)

Description

【図面の簡単な説明】
図は本考案の実施例を示し、第１図は無地視標
板の正面図、第２図縦縞視標板２０の正面図、第
３図は第２図の矢視断面図、第４図は縦縞視標板
２１の正面図、第５図は縦縞視標板２２の正面図
、第６図は縦縞視標板２３の正面図、第７図は縦
縞視標板２４の正面図である。 １０……無地視標板、２０〜２４……縦縞視標
板。

Claims (1)

  1. 【実用新案登録請求の範囲】 無地視標を表面に付着した一枚の無地視標板と
    、該無地視標とほぼ同じ平均輝度の縦縞視標を表
    面に付着した複数の縦縞視標板とからなる視力検
    査具であつて、 前記無地視標板と縦縞視標板は同一形状に形成
    され、複数の縦縞視標板には縞幅が視力値に応じ
    て異なる縦縞視標がそれぞれ付けられたことを特
    徴とする乳幼児視力検査具。
JP1987150812U 1987-10-01 1987-10-01 Expired JPH0335282Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987150812U JPH0335282Y2 (ja) 1987-10-01 1987-10-01
US07/251,699 US5054908A (en) 1987-10-01 1988-09-30 Method and apparatus for evaluating human visual function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987150812U JPH0335282Y2 (ja) 1987-10-01 1987-10-01

Publications (2)

Publication Number Publication Date
JPS6456201U true JPS6456201U (ja) 1989-04-07
JPH0335282Y2 JPH0335282Y2 (ja) 1991-07-26

Family

ID=15504958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987150812U Expired JPH0335282Y2 (ja) 1987-10-01 1987-10-01

Country Status (2)

Country Link
US (1) US5054908A (ja)
JP (1) JPH0335282Y2 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398085A (en) * 1993-05-14 1995-03-14 Hofeldt; Albert J. Device for testing vision potential
FR2710515A1 (fr) * 1993-09-29 1995-04-07 Sabban Yossef Procédé de mesure de la résolution spatiale ou acuité visuelle de patients demeurés au stade pré-verbal et en particulier de nourrissons ainsi que dispositif pour la mise en Óoeuvre de ce procédé.
WO1999021471A1 (de) * 1997-10-24 1999-05-06 Haag-Streit Ag Erkennungschart
CH695042A5 (de) * 2000-04-18 2005-11-30 Haag Ag Streit Stimulus und Verfahren zum Perimetrieren des Gesichtsfeldes des menschlichen Auges.
US7354155B2 (en) 2002-10-29 2008-04-08 M&S Technologies, Inc. Astigmatic axis independent spatial frequency and contrast sensitivity target and method
US8911086B2 (en) 2002-12-06 2014-12-16 Amo Manufacturing Usa, Llc Compound modulation transfer function for laser surgery and other optical applications
US7338165B2 (en) * 2003-06-20 2008-03-04 Visx, Incorporated Systems and methods for prediction of objective visual acuity based on wavefront measurements
US8596787B2 (en) 2003-06-20 2013-12-03 Amo Manufacturing Usa, Llc Systems and methods for prediction of objective visual acuity based on wavefront measurements
US8814360B2 (en) 2012-02-03 2014-08-26 Kenneth J. Hoffer Pediatric vision test
US9265412B2 (en) 2013-08-27 2016-02-23 Johnson & Johnson Vision Care, Inc. Means and method for demonstrating the effects of low cylinder astigmatism correction

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236480U (ja) * 1975-09-05 1977-03-15
JPS5733842U (ja) * 1980-08-07 1982-02-22

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365873A (en) * 1979-11-28 1982-12-28 Ginsburg Arthur P Spatial frequency and contrast sensitivity test chart
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236480U (ja) * 1975-09-05 1977-03-15
JPS5733842U (ja) * 1980-08-07 1982-02-22

Also Published As

Publication number Publication date
US5054908A (en) 1991-10-08
JPH0335282Y2 (ja) 1991-07-26

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