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': 'In unilateral Afferent pupillary defect, when light in moved from normal to affected eye, there is: \nSelect and explain. \nA. Dilatation in affected side and constriction in normal eye, B. Dilatation in normal eye and constriction in affected side, C. Dilatation in both pupils, D. Constriction in both pupils', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Dilation in both pupils', 'role': 'assistant'}]