Ophthalmic lens with segmented ring layers in a functionalized insert
US9134546B2 · kind B2 · utility
65Cited by
8References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2012 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Aug 12, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/101
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention discloses various designs for rings and ring segments that make up functionalized layers in a functional layer insert, for incorporation into an ophthalmic lens. The layer insert which can include substrate layers that are intact full rings, segmented rings or a combination of both. Segmented rings may include Arc-Matched and Non Arc-Matched arcuate segments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.