ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,369, issued on Aug. 19, was assigned to Alcon Inc. (Fribourg, Switzerland).

"Ophthalmic procedure contact lens with enhanced vitreous visualization" was invented by Steven T. Charles (Memphis, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In certain embodiments, an ophthalmic procedure contact lens for ophthalmic treatment of an eye with a laser beam includes a frame, an objective lens, and an illumination ring. The frame has an eye end, an operator end, and a flange-like shape with an interior region. The eye end is configured to be disposed outwardly from the eye. The objective lens is disposed within the interior region of the frame. The o...