Method of making artificial intraocular lenses with holes
US4015965A · kind A · utility
6Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1975 |
| Grant date | Apr 5, 1977 |
| Priority date | — |
| Expiry date | Dec 22, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/1686
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Making perforate optical sections (lenses) of pseudophakoi with avoidance of drilling operations and adversities thereof. Lens material is cast over wires corresponding in diametral size and relative juxtaposition to the size and spaced locations of holes needed in a lens and the wires are etched away prior to or following final edging and surface finishing of the lens. The casting of multiple lens preforms is contemplated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.