ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,292, issued on Aug. 11, was assigned to TOPCON Corp. (Tokyo).
"Ophthalmologic apparatus" was invented by Takafumi Yukimori (Tokyo), Yoko Tatara (Tokyo) and Makoto Saika (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmologic apparatus includes an objective measurement optical system that measures an objective refraction characteristic of a subject eye and a control portion that performs total control including control of the objective measurement optical system, wherein the control portion analyzes a characteristic amount of a ring image obtained by measuring the objective refraction characteristic of the subject eye to feedback to a...