Microscope (IMAGE) University of Oldenburg Caption Doctoral student Vaishnavi Balaji uses a high-resolution confocal microscope to study how neurons inside the retina are interconnected. Credit University of Oldenburg Usage Restrictions Only to be used in connection with news story and with appropriate credit. 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.