Prof. Dr. Volker Busskamp (IMAGE) University of Bonn Caption von der Universitäts-Augenklinik Bonn und der TU Dresden. Credit © Sven Doering Usage Restrictions This image may be used together with the press release. 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.