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
All are seen in papilledema after a head injury except : 
Select and explain. 
A. Blurring of disc margin, B. Hyperemia, C. Afferent pupillary defect, D. Filling of cup
C: Afferent pupillary defect
Answer: C: Afferent pupillary defect 
Explanation: C i.e. Afferent pupillary defect Head injury leads to incrrease in ICT which is a/w papilloedema. And afferent papillary defect is seen in optic neuritis not papilloedemaQ