ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,515, issued on Sept. 1, was assigned to Eadie Technologies Inc. (Halifax, Canada).

"System, method, and head-mounted device for visual field testing" was invented by Brennan Eadie (Halifax, Canada), Frank Eadie (Halifax, Canada), Haskell Kent (Halifax, Canada) and Anthony Visconti (Halifax, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for vision testing comprises a visual test unit (VTU) configured to receive a patients face and perform the vision test on the patient. The VTU includes an internal display configured to generate a light stimulus and a gaze sensor configured to track the eye of the patient. In one aspect, a plural...