ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,200, issued on Dec. 9, was assigned to Brien Holden Vision Institute Ltd. (Sydney).

"Geometrically defined shapes and/or contour optical elements for ophthalmic lenses and methods for creating such geometrically defined shapes and/or contour optical elements" was invented by Hassan Esfandiarijahromi (Campsie, Australia) and Arthur Back (Danville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic lens comprising a front surface; a back surface; and one or more geometrically defined shapes and/or contour optical elements formed by changing the curvature of at least one of the front surface of the ophthalmic lens and/or a back surface ...