In patients with RP, rod photoreceptors die from a mutation, but it has not been known why cone photoreceptors die ... implicated in other more pervasive eye diseases, like AMD and cataracts.

"The optics of the eye's lens are imperfect and really ... More information: Tyler Godat et al, Cone-Opponent Ganglion Cells ...

There are three different types of cone cells which produce colour vision. The amount of light entering the eye is controlled by a reflex action. The size of the pupil changes in response to ...

Inside the human eye, the retina is made up of several types of cells, including the light-sensing photoreceptors that initiate the cascade of events that lead to vision.