Adjustable indirect ophthalmoscopy lens
US5589896A · kind A · utility
8Cited by
27References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1994 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Oct 26, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B15/142
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An indirect ophthalmoscopy lens (10) comprises two or more elements (16, 30). The elements (16, 30) are movable by the physician relative to each other to vary the magnification provided in an aerial image (I) of the fundus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.