Retinal Pigment Epithelium (IMAGE) NIH/National Eye Institute Caption Mosaic of retinal pigment epithelial cells, visualized with indocyanine green (ICG) and adaptive optics. Credit Johnny Tam, Ph.D., National Eye Institute Usage Restrictions None 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.