ES349933A1 - Aparato de comprobacion para miopia. - Google Patents

Aparato de comprobacion para miopia.

Info

Publication number
ES349933A1
ES349933A1 ES349933A ES349933A ES349933A1 ES 349933 A1 ES349933 A1 ES 349933A1 ES 349933 A ES349933 A ES 349933A ES 349933 A ES349933 A ES 349933A ES 349933 A1 ES349933 A1 ES 349933A1
Authority
ES
Spain
Prior art keywords
distance
optotypes
under test
scale
person under
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
ES349933A
Other languages
English (en)
Spanish (es)
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 ES349933A1 publication Critical patent/ES349933A1/es
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)
  • Length Measuring Devices By Optical Means (AREA)
ES349933A 1967-05-10 1968-01-30 Aparato de comprobacion para miopia. Expired ES349933A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO0012487 1967-05-10

Publications (1)

Publication Number Publication Date
ES349933A1 true ES349933A1 (es) 1969-04-16

Family

ID=7352821

Family Applications (1)

Application Number Title Priority Date Filing Date
ES349933A Expired ES349933A1 (es) 1967-05-10 1968-01-30 Aparato de comprobacion para miopia.

Country Status (5)

Country Link
AT (1) AT277443B (de)
DE (1) DE1566133B2 (de)
ES (1) ES349933A1 (de)
FR (1) FR1560200A (de)
GB (1) GB1170205A (de)

Also Published As

Publication number Publication date
FR1560200A (de) 1969-03-14
GB1170205A (en) 1969-11-12
DE1566133A1 (de) 1970-02-12
DE1566133B2 (de) 1972-02-17
AT277443B (de) 1969-12-29

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