Retinopathy of Prematurity (IMAGE) Oregon Health & Science University Caption This image of an eye shows how twisted and dilated vessels of the retina can indicate retinopathy of prematurity, or ROP, the leading cause of childhood blindness. Credit Michael Chiang/OHSU Usage Restrictions Credit Michael Chiang/OHSU 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.