Intra-ocular device with multiple focusing powers/optics
US8262728B2 · kind B2 · utility
36Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2010 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Dec 24, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/1618
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intraocular lens device that includes an intraocular lens optics that provides at least two powers of magnification one being near vision power and the other being distance vision power. The lens optics has surface modulations that are responsible for providing the near vision power. The zone structure provides an add power of over 6 diopters. The add power indicative of an extent that the near vision focusing power is greater than the distance vision focusing power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.