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': 'Far point of the eye varies with: \nSelect and explain. \nA. The age of the patient, B. The static refraction of the eye, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. The static refraction of the eye', 'role': 'assistant'}]