Methods for designing composite ophthalmic lens surfaces
US6955433B1 · kind B1 · utility
92Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2004 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Jun 17, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/061
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a method for designing a composite lens surface by using vector addition of the surface curvatures of two or more lens surfaces and then constructing a surface by numerical integration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.