This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'What will be the consequence if the left optic nerve is cut \nSelect and explain. \nA. Left eye complete blindness with loss of contralateral direct and ipsilateral consensual light reflex, B. Left eye complete blindness with loss of ipsilateral direct and contralateral consensual light reflex, C. Left eye complete blindness with no effect on light reflex, D. Bitemporal hemianopia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Left eye complete blindness with loss of ipsilateral direct and contralateral consensual light reflexLesion of optic nerve causes-Complete visual field loss of the ipsilateral eye (blindness);Abolition of ipsilateral direct and contralateral consensual light reflex;', 'role': 'assistant'}]