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 papilloedema EXCEPT 
Select and explain. 
A. Hyperemia of disc, B. Sudden vision loss, C. Both, D. None
B: Sudden vision loss
Answer: B: Sudden vision loss 
Explanation: B i.e. Sudden loss of vision