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': 'Esotropia is associated with \nSelect and explain. \nA. Myopia, B. Aphakia, C. Hypermetropia, D. Presbyopia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Esotropia - hypermetropia.\nExotropia - myopia.', 'role': 'assistant'}]