ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,213, issued on Feb. 24, was assigned to Alcon Inc. (Fribourg, Switzerland).
"Multi-part intraocular lens with locking mechanism" was invented by Kamal K. Das (Arlington, Texas) and William Jacob Spenner Dolla (Plano, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-part intraocular lens (IOL) with an interchangeable optic seated on a base and secured by a locking mechanism. The optic comprises an anterior surface with a diameter greater than a diameter of a ring of the base. The posterior side of the optic has a posterior surface, a transition region for contact with the base, and sidewalls and tabs radially outward of the transition reg...