Marcos Lab (IMAGE) University of Rochester Caption Susana Marcos, the David R. Williams Director of the Center for Visual Science and the Nicholas George Professor of Optics and of Ophthalmology, working in her lab with postdoctoral researcher Sara El Aissati. At computer is Aina Turull, visiting optical engineering student from Universitat Politècnica de Catalunya. Credit University of Rochester photo / J. Adam Fenster Usage Restrictions N/A 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.