ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,976, issued on April 7.
"Systems and methods for measuring visual axis of the eye" was invented by Xiaochun Nie (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are methods for determining an angular offset between a visual axis of a person's eye and an optical axis of the eye, or an angular offset between a line of sight of the eye and the optical axis of the eye."
The patent was filed on March 31, 2023, under Application No. 18/194,532.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearc...