Human Macula (IMAGE) University of Manchester Caption This is a fluorescent staining of human macula (CFH is red, the FHL-1 protein is green) from Simon Clarke, University of Manchester. Credit University of Manchester/Simon Clarke Usage Restrictions With associated press release. 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.