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': 'Regarding ambylopia which of the following is true-a) Spectacles should be usedb) T/t with occlusion methodc) Surgery is the TOCd) Idiopathic condition \nSelect and explain. \nA. ac, B. ab, C. ad, D. bc', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]