Patent · US Active

Translating presbyopic contact lens

US9170434B2 · kind B2 · utility

0Cited by
22References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2011
Grant dateOct 27, 2015
Priority date—
Expiry dateJul 30, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C7/048
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Lenses for correcting presbyopia are translating, multifocal contact lenses with pseudotruncations which are asymmetric about the vertical meridian.

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