US Patent Issued to Essilor International on May 13 for "Method for altering the visual performance of a subject, method for measuring the spherical refraction correction need of a subject and optical system for implementing these methods" (French Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,657, issued on May 13, was assigned to Essilor International (Charenton-le-pont, France).

"Method for altering the visual performance of a subject, method for measuring the spherical refraction correction need of a subject and optical system for implementing these methods" was invented by Adele Longo (Charenton-le-pont, France), Marc Vincent (Charenton-le-pont, France) and Helene Starynkevitch (Charenton-le-pont, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for altering the visual performance of a subject using an optical system arranged in front of at least one eye of the subject, and including: b) determining an opto...