ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,340, issued on March 18, was assigned to AMO Development LLC (Irvine, Calif.).

"Vacuum loss detection during laser eye surgery" was invented by Phillip Gooding (Mountain View, Calif.), Christine Beltran (San Bruno, Calif.), Michael Campos (Fremont, Calif.), Jan Wysopal (Livermore, Calif.), Brent Eikanas (Brentwood, Calif.) and Rene Hugues (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus to treat an eye with an ophthalmic laser system comprises a patient interface having an annular retention structure to couple to an anterior surface of the eye. The retention structure is coupled to a suction line to couple the retention...