News Package (VIDEO) MediaSource This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Of the nearly 39 million people worldwide who are legally blind, many were born sighted and lost their vision as adults, drastically altering their lives. Now researchers at UCLA Health have surgically implanted 4 blind patients with an innovative brain device that boosts users' ability to navigate the world by restoring their ability to perceive objects and movement. Credit UCLA Health Usage Restrictions All multimedia is available for free and unrestricted media use with courtesy to UCLA Health. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.