Patent · US Active

Visual compensation system and optometric binocular device

US9980639B2 · kind B2 · utility

4Cited by

2References

23Claims

0Family size

Assignee

Essilor International (Compagnie Generale d'Optique) · FR

Inventors

Michel Nauche · Moissac, FR
Stéphane BOUTINON · Charenton-le-Pont, FR

Key dates

Filing date	Jan 15, 2015
Grant date	May 29, 2018
Priority date	—
Expiry date	Jan 15, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG02B7/10
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A visual compensation system (10) enabling observation, with variable optical power correction, along an optical observation axis (X) includes:—a first rotatable optical element (2) centered on the optical axis (X) and having a first cylinder power along the optical axis (X); —a second rotatable optical element (4) centered on the optical axis (X) and having a second cylinder power along the optical axis (X); and—a lens (6) having the optical axis (X) as the axis thereof, and moreover having variable sphere power.

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