Patent · US Active

Intraocular lens

US8636796B2 · kind B2 · utility

15Cited by

0References

20Claims

0Family size

Assignee

PHYSIOL · BE

Inventors

Yvette Appoline Joséphine Houbrechts · Grâce-Hollogne, BE
Christophe Pagnoulle · Verviers, BE
Damien Gatinel · Paris, FR

Key dates

Filing date	Jan 25, 2011
Grant date	Jan 28, 2014
Priority date	—
Expiry date	Jan 25, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG02B5/1876
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An intraocular lens (1) including an anterior surface (4) and a posterior surface (5) and having a substantially antero-posterior optical axis (6). In this lens, one of these anterior and posterior surfaces includes a first diffractive profile (9) forming at least one first diffractive focal point (11) of order +1 on said optical axis, and a second diffractive profile (10) forming a second diffractive focal point (12) of order +1 on said optical axis which is distinct from the first diffractive focal point of order +1. At least one portion of said second diffractive profile is superposed to at least one portion of the first diffractive profile.

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