What Is the Role of Receptors in the Eye

What is the role of receptors in the eye?

A) To synapse on bipolar cells, whose axons leave the retina via the optic nerve.
B) To send messages to the brain via the optic nerve.
C) To convert light energy into neural responses.
D) They accept messages from the brain via the retinal ganglion cells.
E) They are responsible for lateral communication between the various cells in the retina.