philip lelyveld The world of entertainment technology

26Aug/19Off

(Keck School of Medicine of USC) Augmented Reality Glasses May Help People With Low Vision Better Navigate Their Environment

Augmented-reality-glasses-may-help-people-with-low-vision-better“Using a different approach — employing assistive technology to enhance, not replace, natural senses — our team adapted AR glasses that project bright colors onto patients’ retinas, corresponding to nearby obstacles,” Humayun said.

Patients with retinitis pigmentosa wore adapted AR glasses as they navigated through an obstacle course based on a U.S. Food and Drug Administration-validated functional test. Using video of each test, researchers recorded the number of times patients collided with obstacles, as well as the time taken to complete the course. Patients averaged 50% fewer collisions with the adapted AR glasses.

Patients also were asked to grasp a wooden peg against a black background — located behind four other wooden pegs — without touching the front items. Patients demonstrated a 70% increase in grasp performance with the AR glasses.

How the AR system works

The AR system overlays objects within a 6-foot wireframe with four bright, distinct colors. In doing so, the glasses provide visual color cues that help people with constricted peripheral vision interpret complex environments, such as avoiding obstacles in dimly lit environments.

See the full story here: https://scienmag.com/augmented-reality-glasses-may-help-people-with-low-vision-better-navigate-their-environment/

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