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
Light reflex absent but accommodation reflex present is seen in: 
Select and explain. 
A. Hutchison's pupil, B. Argyl Robeson pupil, C. Adie pupil, D. Homer's syndrome
B: Argyl Robeson pupil
Answer: B: Argyl Robeson pupil 
Explanation: B i.e. Argyl Robeson pupil