ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,984, issued on Feb. 24, was assigned to Nevada Research & Innovation Corp. (Reno, Nev.).

"Method and apparatus for measuring relative afferent pupillary defects" was invented by Alireza Tavakkoli (Reno, Nev.) and Stewart Zuckerbrod (Bellaire, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for administering a modular and/or flexible eye test to patients are presented that leverages on the visualization, processing, and eye tracking capabilities of a head mounted display (HMD). In an embodiment, a method for evaluating the pupillary responses includes using a head mounted display (HMD) worn by a patient to expose a first eye ...