The Human Eye (image) University of Iowa Share Print E-Mail Caption The image shows the choroid and fovea in relation to the entire human eye. The choroid (in red) supplies blood and oxygen to the outer retina. The fovea is a dimple-like structure located at the back of the eye. Credit Image courtesy of Vinit Mahajan lab, University of Iowa Usage Restrictions None 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.