ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,305, issued on March 18, was assigned to Alcon Inc. (Fribourg, Switzerland).
"Stable IOL base design to support second optic" was invented by James M. Scott (Weatherford, Texas) and Raza Shah (Arlington, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intraocular lens (IOL) configured to support a first optic for functioning as a single lens IOL and configured to support a second optic for functioning as a dual optic IOL. The base includes a first optic for providing a base power. A recess in an anterior rim of the base is configured for positioning a radial extension of a second optic. The geometry of the recess is configured to securely c...