Patent · US Active

Multifocal contact lens displaying improved vision attributes

US11543683B2 · kind B2 · utility

3Cited by

138References

17Claims

0Family size

Assignee

Johnson & Johnson Vision Care, Inc. · US

Inventors

Shivkumar Mahadevan · Orange Park, US
Dawn D. Wright · St. Augustine, US
Ronald J. Clark · Beaconsfield, AU
Thomas R. Karkkainen · Orange Park, US
Derek Nankivil · Durham, US

Key dates

Filing date	Jul 24, 2020
Grant date	Jan 3, 2023
Priority date	—
Expiry date	Jul 24, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02C7/108
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Described are multifocal contact lenses that contain high energy visible (HEV) light absorbing compounds and their use for improving one or more vision attributes.

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