Translating bifocal wear modality
US7080906B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 3, 2004 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Nov 3, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention discloses a pair of bifocal contact lenses: one lens for dominant eye and one lens for non-dominant eye. Both lenses have an optical zone divided into a superior zone and an inferior zone. The superior zone of the lens for dominant eye is for distance vision correction while the inferior zone is for near or intermediate vision correction. The superior zone of the lens for non-dominant eye is for distance or intermediate vision correction while the inferior zone is for near or intermediate vision correction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.