US Patent Issued to Alcon on Jan. 13 for "Intraocular lenses having closed-loop ring haptic structures" (Texas, California Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,230, issued on Jan. 13, was assigned to Alcon Inc. (Fribourg, Switzerland).

"Intraocular lenses having closed-loop ring haptic structures" was invented by Stephen John Collins (Fort Worth, Texas), Jian Liu (Keller, Texas), Michael Lee Mangum (Lake Forest, Calif.) and Douglas Brent Wensrich (Bedford, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic device includes an optic including an optic axis and a periphery and a closed-loop ring haptic structure coupled with the optic. The closed loop haptic structure includes a first ring structure having a first characteristic length, a second ring structure having a second characteristic le...