Method for measuring eye features with a contact lens
US4309085A · kind A · utility
83Cited by
2References
3Claims
0Family size
Inventor
Key dates
| Filing date | Jul 12, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Jul 12, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The disclosure is of a contact lens for use on the eye, the lens carrying indicia usable for measuring changes in the shape, size or length, or the like, of portions of the eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.