DE285409C - - Google Patents
Info
- Publication number
- DE285409C DE285409C DENDAT285409D DE285409DA DE285409C DE 285409 C DE285409 C DE 285409C DE NDAT285409 D DENDAT285409 D DE NDAT285409D DE 285409D A DE285409D A DE 285409DA DE 285409 C DE285409 C DE 285409C
- Authority
- DE
- Germany
- Prior art keywords
- optometer
- prisms
- eye
- marks
- colored
- 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.)
- Active
Links
- 230000000295 complement effect Effects 0.000 claims description 5
- 206010020675 Hypermetropia Diseases 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE285409C true DE285409C (enExample) |
Family
ID=540797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT285409D Active DE285409C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE285409C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1155615B (de) * | 1957-02-06 | 1963-10-10 | Wilhelmus Johannes Biessels | Refraktionsgeraet zur subjektiven Bestimmung der sphaerischen und astigmatischen Seheigenschaften des Auges |
-
0
- DE DENDAT285409D patent/DE285409C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1155615B (de) * | 1957-02-06 | 1963-10-10 | Wilhelmus Johannes Biessels | Refraktionsgeraet zur subjektiven Bestimmung der sphaerischen und astigmatischen Seheigenschaften des Auges |
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