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': "Light reflex absent but accommodation reflex present is seen in: \nSelect and explain. \nA. Hutchison's pupil, B. Argyl Robeson pupil, C. Adie pupil, D. Homer's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Argyl Robeson pupil', 'role': 'assistant'}]