Ophthalmic lens, systems and methods with angular varying phase delay
US8444267B2 · kind B2 · utility
51Cited by
72References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Feb 19, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ophthalmic lens, such as an intraocular lens (IOL), a phakic IOL or a corneal implant, and a system and method relating to same, having coupled thereto one or more rotationally asymmetric and/or non-continuous diffractive zones, such as for providing improved multifocal vision correction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.