FR473719A - Device for measuring refractive anomalies of the eyes - Google Patents

Device for measuring refractive anomalies of the eyes

Info

Publication number
FR473719A
FR473719A FR473719DA FR473719A FR 473719 A FR473719 A FR 473719A FR 473719D A FR473719D A FR 473719DA FR 473719 A FR473719 A FR 473719A
Authority
FR
France
Prior art keywords
eyes
measuring refractive
refractive anomalies
anomalies
measuring
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
Other languages
French (fr)
Inventor
Angel Varela Santos
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR473719A publication Critical patent/FR473719A/en
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
    • A61B3/0285—Phoropters

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR473719D 1914-06-18 1914-06-18 Device for measuring refractive anomalies of the eyes Expired FR473719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR473719T 1914-06-18

Publications (1)

Publication Number Publication Date
FR473719A true FR473719A (en) 1915-01-22

Family

ID=1511753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR473719D Expired FR473719A (en) 1914-06-18 1914-06-18 Device for measuring refractive anomalies of the eyes

Country Status (1)

Country Link
FR (1) FR473719A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949810A (en) * 1957-06-26 1960-08-23 American Optical Corp Eye testing instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949810A (en) * 1957-06-26 1960-08-23 American Optical Corp Eye testing instruments

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