JPS5367988A - Projector for projecting test drawing to inspect eyesight - Google Patents

Projector for projecting test drawing to inspect eyesight

Info

Publication number
JPS5367988A
JPS5367988A JP10248277A JP10248277A JPS5367988A JP S5367988 A JPS5367988 A JP S5367988A JP 10248277 A JP10248277 A JP 10248277A JP 10248277 A JP10248277 A JP 10248277A JP S5367988 A JPS5367988 A JP S5367988A
Authority
JP
Japan
Prior art keywords
eyesight
inspect
projector
test drawing
projecting test
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
JP10248277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6120292B2 (de
Inventor
Boon Manfuretsudo
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.)
Optische Werke G Rodenstock
Original Assignee
Optische Werke G Rodenstock
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 Optische Werke G Rodenstock filed Critical Optische Werke G Rodenstock
Publication of JPS5367988A publication Critical patent/JPS5367988A/ja
Publication of JPS6120292B2 publication Critical patent/JPS6120292B2/ja
Granted 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/42—Servomotor, servo controller kind till VSS
    • G05B2219/42212—Rotation over, selection of smallest, shortest angle, distance

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eye Examination Apparatus (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Projection Apparatus (AREA)
  • Details Of Television Systems (AREA)
JP10248277A 1976-11-25 1977-08-26 Projector for projecting test drawing to inspect eyesight Granted JPS5367988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762653471 DE2653471C3 (de) 1976-11-25 1976-11-25 Projektor zum Projizieren von Testdarstellungen für Augenuntersuchungen

Publications (2)

Publication Number Publication Date
JPS5367988A true JPS5367988A (en) 1978-06-16
JPS6120292B2 JPS6120292B2 (de) 1986-05-21

Family

ID=5993908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10248277A Granted JPS5367988A (en) 1976-11-25 1977-08-26 Projector for projecting test drawing to inspect eyesight

Country Status (8)

Country Link
JP (1) JPS5367988A (de)
CH (1) CH624566A5 (de)
DD (1) DD132921A1 (de)
DE (1) DE2653471C3 (de)
ES (1) ES462864A1 (de)
FR (1) FR2371910A1 (de)
GB (1) GB1538630A (de)
IT (1) IT1106647B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219144A (ja) * 1985-07-17 1987-01-27 株式会社トプコン山形 検眼チヤ−ト投影機

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420229A (en) * 1981-02-13 1983-12-13 Clement Clark International Ltd. Ophthalmic instruments
CN109512377B (zh) * 2018-10-25 2021-05-25 陕西省人民医院 一种红绿色盲疾病检查盘

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219144A (ja) * 1985-07-17 1987-01-27 株式会社トプコン山形 検眼チヤ−ト投影機
JPH0556128B2 (de) * 1985-07-17 1993-08-18 Topukon Yamagata Kk

Also Published As

Publication number Publication date
GB1538630A (en) 1979-01-24
IT1106647B (it) 1985-11-11
DD132921A1 (de) 1978-11-22
ES462864A1 (es) 1978-06-01
DE2653471C3 (de) 1979-10-31
CH624566A5 (en) 1981-08-14
JPS6120292B2 (de) 1986-05-21
FR2371910A1 (de) 1978-06-23
DE2653471A1 (de) 1978-06-01
DE2653471B2 (de) 1979-03-15

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