Immune cells on the eye. (IMAGE) Thomas Jefferson University Caption Immune cells on the surface of the eye. Credit DeDreu et al., 2021. Usage Restrictions Please credit DeDreu et al., 2021. License Original 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.