ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,522, issued on Feb. 25, was assigned to EUCLID VISION Corp. (Sterling, Va.).
"Lens with displaced shaping zone" was invented by Vance M. Thompson (Sioux Falls, S.D.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A contact lens for application in practice of orthokeratology on an eye, including a curved shell having a concave surface and a convex surface. The concave surface includes a carrier zone and a back shaping zone, the back shaping zone having a first curvature and the carrier zone having at least one second curvature. The curved shell has a geometric center and the back shaping zone has a shaping zone center and the back shaping zone center ...