<prompt> Which of the following is true regarding color blindnessMore common in femalesOptic nerve head is blue blindGanglion cells are responsible for color vision processingV2 area of occipital coex is responsible for color vision  <response>: Color blindness - More common in males than in female because the genes that produce photopigments are carried on the X chromosome. Fovea is blue blind. Ganglion cells are the cells mainly responsible for colour vision processing. Human eyes are most sensitive to green colour Achromatopsia is due to lesion in V8 V4 area of occipital coex Primary colours: Red , Blue, Green 