Dartmouth Eye Tracking Glasses (IMAGE) Dartmouth College Caption Integrating eye tracker into a regular pair of glasses, the system relies on NIR lights and photodiodes for eye tracking and is powered by two thin solar cells on the arms of the glasses. Credit Photo courtesy of DartNets Lab Usage Restrictions Must include credit: Photo courtesy of DartNets Lab. 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.