Compound Eye Fossil (image) University of Adelaide Caption A half-billion-year-old fossil compound eye, showing exquisite detail of the visual surface (the individual lenses can be seen as darker spots). Credit Photo by John Paterson (University of New England). Usage Restrictions This image may be reproduced with appropriate acknowledgement. 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.