ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,470, issued on July 21, was assigned to Essilor International (Charenton-le-Pont, France).

"Device and a computer-implemented method for determining a behavior of a target user" was invented by Stephane Perrot (Charenton-le-Pont, France) and Matthias Guillon (Charenton-le-Pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for determining a behavior of a target user, the device including a sensing unit configured to face at least one eye area of a target user, the sensing unit being configured to acquire a plurality of target signals representative of a variation of at least one characteristic of the at least one eye area of the tar...