Patent · US Active

Multi-tint coloured ophtalmic lenses

US8096656B2 · kind B2 · utility

3Cited by
6References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 15, 2007
Grant dateJan 17, 2012
Priority date
Expiry dateNov 15, 2027

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C7/105
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The invention relates to an ophtalmic lens comprising, on its surface, a first central zone preferentially transmitting the long wavelengths of the visible spectrum, and a second peripheral zone preferentially transmitting the short wavelengths of the visible spectrum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.