IT1106647B - PROJECTOR FOR THE SCREENING OF TEST REPRESENTATIONS FOR LISTIC OCU EXAMS - Google Patents

PROJECTOR FOR THE SCREENING OF TEST REPRESENTATIONS FOR LISTIC OCU EXAMS

Info

Publication number
IT1106647B
IT1106647B IT5178077A IT5178077A IT1106647B IT 1106647 B IT1106647 B IT 1106647B IT 5178077 A IT5178077 A IT 5178077A IT 5178077 A IT5178077 A IT 5178077A IT 1106647 B IT1106647 B IT 1106647B
Authority
IT
Italy
Prior art keywords
listic
ocu
exams
projector
screening
Prior art date
Application number
IT5178077A
Other languages
Italian (it)
Inventor
Manfred Born
Original Assignee
Rodenstock Optik G
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 Rodenstock Optik G filed Critical Rodenstock Optik G
Application granted granted Critical
Publication of IT1106647B publication Critical patent/IT1106647B/en

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
IT5178077A 1976-11-25 1977-11-11 PROJECTOR FOR THE SCREENING OF TEST REPRESENTATIONS FOR LISTIC OCU EXAMS IT1106647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762653471 DE2653471C3 (en) 1976-11-25 1976-11-25 Projector for projecting test images for eye exams

Publications (1)

Publication Number Publication Date
IT1106647B true IT1106647B (en) 1985-11-11

Family

ID=5993908

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5178077A IT1106647B (en) 1976-11-25 1977-11-11 PROJECTOR FOR THE SCREENING OF TEST REPRESENTATIONS FOR LISTIC OCU EXAMS

Country Status (8)

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

Families Citing this family (3)

* 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
JPS6219144A (en) * 1985-07-17 1987-01-27 株式会社トプコン山形 Eye examination chart projector
CN109512377B (en) * 2018-10-25 2021-05-25 陕西省人民医院 Anerythrochloropsia disease inspection dish

Also Published As

Publication number Publication date
DE2653471C3 (en) 1979-10-31
DE2653471A1 (en) 1978-06-01
GB1538630A (en) 1979-01-24
DD132921A1 (en) 1978-11-22
CH624566A5 (en) 1981-08-14
DE2653471B2 (en) 1979-03-15
JPS5367988A (en) 1978-06-16
ES462864A1 (en) 1978-06-01
JPS6120292B2 (en) 1986-05-21
FR2371910A1 (en) 1978-06-23

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