FR324604A - Dioptrometer for measuring eyesight - Google Patents
Dioptrometer for measuring eyesightInfo
- Publication number
- FR324604A FR324604A FR324604DA FR324604A FR 324604 A FR324604 A FR 324604A FR 324604D A FR324604D A FR 324604DA FR 324604 A FR324604 A FR 324604A
- Authority
- FR
- France
- Prior art keywords
- dioptrometer
- measuring eyesight
- eyesight
- 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
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
- A61B3/04—Trial frames; Sets of lenses for use therewith
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR324604T | 1902-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR324604A true FR324604A (en) | 1903-04-06 |
Family
ID=1374818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR324604D Expired FR324604A (en) | 1902-09-18 | 1902-09-18 | Dioptrometer for measuring eyesight |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR324604A (en) |
-
1902
- 1902-09-18 FR FR324604D patent/FR324604A/en not_active Expired
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