Retinal Disorders (IMAGE) Cold Spring Harbor Laboratory Caption This cover shows the iris of a human eye, slightly enhanced to emphasize the stromal fibers. Credit Photo provided by Dr. Richard Masland and the Massachusetts Eye and Ear Infirmary Fluorescein Laboratory. Image processing by Haobing Wang, Massachusetts Eye and Ear Infirmary. 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.