Variable focus ophthalmic device including liquid crystal elements
US8906088B2 · kind B2 · utility
134Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Jan 25, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/083
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention discloses methods and apparatus for providing a Variable Optic Insert into an Ophthalmic Lens. An energy source is capable of powering the Variable Optic Insert included within the Ophthalmic Lens. In some embodiments, an Ophthalmic Lens is cast-molded from a silicone hydrogel. The various Ophthalmic Lens entities may include electroactive Liquid Crystal layers to electrically control refractive characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.