Bifocal intraocular lens
US5217489A · kind A · utility
12Cited by
5References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1992 |
| Grant date | Jun 8, 1993 |
| Priority date | — |
| Expiry date | Mar 3, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Intraocular lenses with three zones for the provision of bifocal vision are described. Methods for the lenses use are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.