ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,606, issued on May 13, was assigned to SHAMIR OPTICAL INDUSTRY LTD. (Upper Galilee, Israel).
"Aspherical ophthalmic lens" was invented by Alexander Shur (Haifa, Israel), Dagan Avishai (Kibbutz Shamir, Israel) and Noam Baran (Kibbutz Shamir, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic lens having a front surface and a back surface, wherein at least one of the front and back surfaces is aspherical and said aspherical surface comprises: a neutral region, located substantially in the center of the lens, in which the addition power and the cylinder power are both negligible, and a functional region, located next to the neutral reg...