Patent · US Active

Multi-axis lens design for astigmatism

US9046698B2 · kind B2 · utility

1Cited by

5References

2Claims

0Family size

Assignee

Johnson & Johnson Vision Care, Inc. · US

Inventors

Jonathan Hansen · Jacksonville, US
James Michalski · Tucson, US
C. Benjamin Wooley · Roanoke, US

Key dates

Filing date	Feb 28, 2012
Grant date	Jun 2, 2015
Priority date	—
Expiry date	Feb 28, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG02C2202/02
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A toric contact lens utilizes concentric annual rings, a continually varying lens design as a function of distance from the lens center or any other function to create a range of cylinder axis zones on a single lens.

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