US Patent Issued to COOPERVISION INTERNATIONAL on Sept. 23 for "Methods of manufacturing an ophthalmic lens including asymmetric gradient index optical elements" (California, Indiana Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,502, issued on Sept. 23, was assigned to COOPERVISION INTERNATIONAL Ltd. (Fareham, Great Britain).

"Methods of manufacturing an ophthalmic lens including asymmetric gradient index optical elements" was invented by Paul Chamberlain (Livermore, Calif.), Sourav Saha (Pleasanton, Calif.) and Arthur Bradley (Bloomington, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method (100) of manufacturing an ophthalmic lens is described. The method comprises providing a lens substrate (103) and providing a photocurable film (105). The method comprises using a digital light projection system to photocure at least one region of the film, thereby producing a...