A lot better than we do, says Paul Miller, clinical professor of comparative ophthalmology at University of Wisconsin-Madison.
“Dogs have evolved to see well in both bright and dim light, whereas humans do best in bright light. No one is quite sure how much better a dog sees in dim light, but I would suspect that [...]

Age-related macular degeneration (AMD) destroys the light receptors used for reading and recognizing faces. Can a diet low in fat or high in antioxidants slow the disease?