Lori Ann Kehler (IMAGE) Vanderbilt University Medical Center Caption Lori Ann Kehler, OD, associate professor of Ophthalmology and Visual Sciences, chief of the Optometry Service and the Vanderbilt site principal investigator for the study Credit Vanderbilt University Medical Center Usage Restrictions Vanderbilt University Medical Center License Original 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.