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
Features of papilloedema include all except: 
Select and explain. 
A. May be due to intracranial haemorrhage, B. Disc becomes elevated, C. Cotton wool spots may be seen, D. Vision is impaired
D: Vision is impaired
Answer: D: Vision is impaired 
Explanation: Ans. Vision is impaired