ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,775, issued on July 7, was assigned to Apple Inc. (Cupertino, Calif.).

"Accommodation tracking based on retinal-imaging" was invented by Itai Afek (Kfar Sava, Israel), Ariel Lipson (Tel Aviv, Israel) and Roei Remez (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations disclosed herein include devices, systems, and methods that track an eye characteristic (e.g., gaze direction, eye orientation, etc.). For example, an example process may include producing light that reflects off a retina of an eye, receiving an image of a portion of the retina from an image sensor, the image corresponding to a plurality of reflections...