This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Optics and Errors of Refraction, Subject name: Ophthalmology
[{'content': 'Which of the following is true regarding color blindness \nSelect and explain. \nA. More common in females, B. Optic nerve head is blue blind, C. Ganglion cells are responsible for color vision processing, D. V2 area of occipital coex is responsible for color vision', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 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', 'role': 'assistant'}]