Fovea Photoreceptor Cell Micrograph (image) University of Washington Health Sciences/UW Medicine Share Print E-Mail Caption The light receptors known as cones in the fovea of the retina appear in a fluorescence microscopy image created by Dr. Mrinalini Hoon at the University of Washington. Credit Mrinalini Hoon/UW Medicine Usage Restrictions All usages are permitted. Please credit Mrinalini Hoon for image. 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.