Patent · US Active

Multifocal eye lens having optical zones which at least partly encircle a main optical axis

US10278809B2 · kind B2 · utility

1Cited by

4References

23Claims

0Family size

Assignee

Carl Zeiss Meditec AG · DE

Inventor

Mario Gerlach · Hohen Neuendorf, DE

Key dates

Filing date	Feb 16, 2016
Grant date	May 7, 2019
Priority date	—
Expiry date	Jul 4, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2250/0053
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A multifocal eye lenses including an optical part, which has a first optical side and an opposite second optical side viewed in the direction of a main optical axis (A) of the eye lens, and which has a plurality of annular optical zones that at least partly encircle the main optical axis (A) and are formed on at least one side, and zones each have at least one main sub-zone.

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