Lens element
US11852904B2 · kind B2 · utility
0Cited by
26References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2019 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Dec 20, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens element intended to be worn in front of an eye of a person that includes a refraction area having a refractive power based on a prescription for the eye of the person, and a plurality of at least three non-contiguous optical elements, at least one optical element having a non-spherical optical function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.