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:
Sep. 09, 2025
Filed:
Oct. 16, 2023
Coopervision International Limited, Fareham, GB;
Edward James Harley Evans, Southampton, GB;
Robert Oag, Southampton, GB;
COOPERVISION INTERNATIONAL LIMITED, Fareham, GB;
Abstract
The present disclosure relates to a contact lens () including a diffractive optical element (), an optical filter (), and an optic axis () passing through the optical filter and the diffractive optical element. The diffractive optical element () is configured to focus visible light. The optical filter () is configured to filter out light with a wavelength of 450 nm to 495 nm. The optical filter () may allow through light with a wavelength of 500 nm to 750 nm. The optical filter () may include one or more colorants. The present disclosure also relates to a method () of manufacturing a contact lens. The present disclosure also relates to a method () of correcting the vision of a user.