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
Sudden, transient and painless loss of vision may be complained by the patients with all of the following diseases except: 
Select and explain. 
A. Carotid transient ischaemic attacks, B. Papilloedema, C. Papillitis, D. Migraine
C: Papillitis
Answer: C: Papillitis 
Explanation: Ans. Papillitis