Fossil Trilobite (IMAGE) University of Cologne Caption Compount eyes are a continuous feature of evolution, but have improved in their performance in the course of their developmet. Credit G. Baranov 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.