ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,390, issued on May 12, was assigned to COOPERVISION INTERNATIONAL Ltd. (Fareham, Great Britain).

"Contact lenses and methods relating thereto" was invented by Caeli Quiter (Southampton, Great Britain) and Martin Webber (Southampton, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A contact lens (2001) and methods of manufacturing such a lens (2001) are described. The contact lens (2001) comprises an optic zone (202). The optic zone (202) comprises a central portion having a centre of curvature that is on an optical axis (219), and a first annular portion (203) extending radially outwards from the central portion (205). The first annular ...