Bifocal intraocular lens with correction for spherical abberation
US5147393A · kind A · utility
9Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Apr 5, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L27/16
- 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.