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': 'All are features of paralytic squint except: \nSelect and explain. \nA. Unequal fixation, B. Veigo, C. Amblyopia, D. Abnormal head position', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Amblyopia', 'role': 'assistant'}]