Micrograph of Compound Eye (IMAGE) University of Bristol Caption This is a micrograph of one of these compound eyes. The eye is 250 microns in diameter. Credit Dr Michael Bok, University of Bristol 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.