Lens with multi-concave meniscus wall
US8867141B2 · kind B2 · utility
27Cited by
5References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2012 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Jul 11, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/1635
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates generally to a liquid meniscus lens with a meniscus wall. The meniscus lens may include an arcuate front curve and back curve lens. Some specific embodiments include a liquid meniscus lens with a meniscus wall essentially in the shape of multiple segments of a torus concave from the optical axis. Embodiments may also include a lens of suitable size and shape for inclusion in a contact lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.