Patent · US Expired

Translating bifocal wear modality

US7080906B2 · kind B2 · utility

44Cited by
14References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 3, 2004
Grant dateJul 25, 2006
Priority date
Expiry dateNov 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.