Exosomes Deliver Cargo to Retinal Ganglion Cells (IMAGE) NIH/National Eye Institute Caption Microscopy image shows exosomes (green) surrounding retinal ganglion cells (orange and yellow). Credit Ben Mead, Ph.D. 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.