ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,860, issued on April 21, was assigned to Essilor International (Charenton-le-Pont, France).

"System comprising an optical device intended to be worn by a user and a calculation module" was invented by Aude Bouchier (Charenton-le-Pont, France), Sarah Marie (Charenton-le-Pont, France) and Jessica Combier (Charenton-le-Pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system that includes an optical device intended to be worn by a user and a calculation module. The optical device includes a light sensor, the light sensor being located in an internal side of the optical device and in a vicinity of a front part of the optical device, the lig...