According to scientists led by Dr Richard Kramer from the University of California, a chemical ‘photoswitch’ named DENAQ may be a potential drug for treating patients suffering from blinding diseases such as retinitis pigmentosa and age-related macular degeneration. Section view of the human eye. The retina has three layers of nerve cells, but only the outer layer contains the rod and cone cells that respond to light, enabling us to see the world....
