US Patent Issued to Essilor International on Aug. 18 for "Phoropter and optometry device for testing an individual's eyes" (French Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,708,260, issued on Aug. 18, was assigned to Essilor International (Charenton-le-Pont, France).

"Phoropter and optometry device for testing an individual's eyes" was invented by Leonard Hartmann (Charenton-le-Pont, France), Stephane Boutinon (Charenton-le-Pont, France), Bernard Brechemier (Charenton-le-Pont, France) and Arnaud Mesnier (Charenton-le-Pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phoropter for testing an individual's eyes when observing a target, the phoropter including two optical units for the two eyes of the individual, each having an entry on the target side, an exit aperture on the individual's side, and an optical syst...