Pupillometer Prototype (IMAGE) Optica Caption A prototype pupillometer designed for a patient to wear for a half hour or so in a doctor's office and test for diabetic autonomic neuropathy. It may help diagnose the condition sooner, leading to better treatment outcomes. Credit M. Ou-Yang, National Chiao-Tung University, Taiwan. 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.