ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,771, issued on Nov. 18, was assigned to Tilak Healthcare (Paris).
"Visual testing using mobile devices" was invented by Elidia Grondin (St. Germain en Laye, France), Denis Tribouillois (Montreuil, France), Laurent Herledan (Vincennes, France) and Mathieu Lagadec (Paris).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile device and a method for testing an individual's vision are provided, the mobile device including a screen for displaying at least one test pattern, such as a smartphone or a tablet computer. A test of the individual's vision is performed using the test pattern displayed on the screen of the mobile device, in particular for testin...