The Human Choroid (IMAGE) University of Iowa Caption The schematic shows the three regions of the choroid, in relation to the entire eye (left) and as regions (fovea, macula and periphery). Credit Images courtesy of Vinit Mahajan lab, University of Iowa 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.