The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 01, 2025
Filed:
Oct. 23, 2023
Coopervision International Limited, Fareham, GB;
Paul Chamberlain, Livermore, CA (US);
Sourav Saha, Pleasanton, CA (US);
Arthur Bradley, Bloomington, IN (US);
COOPERVISION INTERNATIONAL LIMITED, Fareham, GB;
Abstract
An ophthalmic lens (), a film for use in an ophthalmic lens () and a method () of manufacturing an ophthalmic lens () are described. The lens () has an optical axis. The lens () comprises a layer () provided on a surface of a substrate (). The layer () has a base refractive index and includes at least one gradient index optical element () having an asymmetric refractive index profile. The at least one gradient index optical element () focuses light from a distant point source on the optical axis to a point that is a first distance from the optical axis ().