Kaitlyn Sapoznik, Thomas Gast, Brett King and Stephen Burns (image) Indiana University Share Print E-Mail Caption Researchers on the study, from left, include Kaitlyn Sapoznik, Thomas Gast, Brett King and Stephen Burns of the IU School of Optometry. Credit James Brosher, Indiana University. Usage Restrictions Credit Indiana University Share Print E-Mail 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.