ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,981, issued on July 7, was assigned to AMO DEVELOPMENT LLC (Irvine, Calif.).

"Re-treatable corneal lenticular incisions with re-treatment options using a femtosecond ophthalmic laser system" was invented by Hong Fu (Pleasanton, Calif.) and Alireza Malek Tabrizi (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A corneal lenticule extraction procedure provides convenient re-treatment options when treatment interruptions occur. The procedure is executed by an ophthalmic laser system according to a programmed treatment plan, which defines an entry cut, an optional ring cut, a bottom lenticule incision having an optical zone, and a flat top...