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
The most common fieid defect in papillitis is: 
Select and explain. 
A. A relative central or centrocaecal scotoma, B. Enlargement of the blind spot, C. Tubular vision, D. Multiple small peripheral scotomas
A: A relative central or centrocaecal scotoma
Answer: A: A relative central or centrocaecal scotoma 
Explanation: Ans. A relative central or centrocaecal scotoma