US Patent Issued to Essilor International on June 3 for "Method and device for determining at least an optical feature of a progressive lens to be placed in a frame for vision correction of a subject" (French Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,042, issued on June 3, was assigned to Essilor International (Charenton-le-pont, France).

"Method and device for determining at least an optical feature of a progressive lens to be placed in a frame for vision correction of a subject" was invented by Benjamin Rousseau (Charenton-le-pont, France), Cyril Guilloux (Charenton-le-pont, France), Melanie Heslouis (Charenton-le-pont, France) and Sebastien Fricker (Charenton-le-pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for determining at least an optical feature of an ophthalmic lens to be placed in a frame for vision correction of a subject, comprising: a) ...