Patent · US Active

Ophthalmic lens

USRE42781E1 · kind E1 · reissue

5Cited by

21References

8Claims

0Family size

Assignee

Essilor International (Compagnie Generale d'Optique) · FR

Inventors

Bernard Bourdoncle · Paris, FR
Bruno Decreton · Charenton-le-Pont, FR

Key dates

Filing date	Sep 22, 2010
Grant date	Oct 4, 2011
Priority date	—
Expiry date	Sep 22, 2030

Classification

Technology area (CPC —)General

Abstract

A progressive multifocal ophthalmic lens has a complex surface having a prism reference point, a fitting cross, a progression meridian having a power addition greater than or equal to 1.5 diopters. The lens has, under conditions when being worn:

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