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
Most common field defect in papillitis is 
Select and explain. 
A. A relative central or centrocecal scotoma, B. Siedel's scotoma, C. Baring of blind spot, D. Tunnel vision
A: A relative central or centrocecal scotoma
Answer: A: A relative central or centrocecal scotoma 
Explanation: Most common field defect in optic neuritis is a relative central or centrocecal scotoma.