Retina with and without POD GDNF Nanoparticles Treatment (image) Tufts University, Health Sciences Campus Share Print E-Mail Caption The image on left shows damage (pink) to the retina. The image on right shows that POD GDNF nanoparticles protected the retina from damage. Credit Image courtesy of Rajendra Kumar-Singh, Tufts University School of Medicine Usage Restrictions The image may only be used with appropriate caption or credit. Share Print E-Mail 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.