| Many people with total blindness experience life-long sleeping problems because their retinas are unable to detect light. |
| However, in 1996, scientists at the University of Illinois in Chicago found that astaxanthin protected the retinas of rats exposed to damaging light. |
| These animals typically contain abundant populations of rods in their retinas, which are often found in conjunction with a retinal tapetum. |
| As soon as the flash frames started strobing audience retinas, the soundtrack began adding layers of chaotic on-the-scene sound recordings. |
| Bright cherry red spots appear on the retinas of her eyes, and she is rendered blind. |
| Lutein is one of the hydroxy carotenoids that make up the macular pigment of human retinas. |
