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
In unilateral Afferent pupillary defect, when light in moved from normal to affected eye, there is: 
Select and explain. 
A. 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
C: Dilatation in both pupils
Answer: C: Dilatation in both pupils 
Explanation: C i.e. Dilation in both pupils