Nanoparticles Binding to Rods and Cones (IMAGE) Cell Press Caption This image shows nanoparticles, in green, binding to the rods (violet) and cones (red) of the eye's retina. Credit Ma et al./<em>Current Biology</em> Usage Restrictions Credit Required 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.