ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,218, issued on Feb. 10, was assigned to AMO Groningen B.V. (Groningen, Netherlands).

"Lenses having multi-ring design for vision treatment" was invented by Aixa Alarcon Heredia (Groningen, Netherlands), Miguel Faria Ribeiro (Braga, Portugal), Franck Gounou (Groningen, Netherlands), Patricia A. Piers (Groningen, Netherlands), Hendrik Weeber (Groningen, Netherlands), Carmen Canovas Vidal (Groningen, Netherlands) and Robert Rosen (Groningen, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, systems and methods for providing improved ophthalmic lenses, particularly intraocular lenses (IOLs), include features for providing improved ...