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': "Pupil that responds to convergence but light reflex is absent: \nSelect and explain. \nA. Adies pupil, B. Argyl Robeson pupil, C. Hutchison pupil, D. Wernicke's pupil", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Argyl Robeson pupil', 'role': 'assistant'}]