Damaged Retina Cells (IMAGE) Houston Methodist Caption Light damaged retina cone photoreceptors will spread the death signal to neighbor cells and cause irrevocable hurts in a 24-hour period. Credit Houston Methodist 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.