Dr. Ajith Karunarathne (IMAGE) University of Toledo Caption Dr. Ajith Karunarathne examined toxic oxygen generation by retinal during blue light exposure. Credit Dan Miller, The University of Toledo Usage Restrictions None 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.