Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

To test this, we used antioxidants, which protect cells from oxygen damage, and since they allowed many more cones to survive, it proves that the suspect is guilty.’ In this mouse model of ...

Red cone photoreceptor cell arrangement: (Left) In wild-type retinas, red cones extend multiple filopodia toward neighboring cells, but these filopodia stop growing when they encounter other red ...