Anc80 in the Retina (image) Harvard Medical School Share Print E-Mail Caption The Anc80 virus delivers genes to the mouse retina that fluoresce green when expressed. Pictured here, the delivered genes are active in the retina's color-detecting cells. Credit Livia Carvalho Usage Restrictions Image may only be used with appropriate caption and 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.