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 variety of scleritis is: 
Select and explain. 
A. Non-necrotizing anterior diffuse, B. Non-necrotizing anterior nodular, C. Anterior necrotizing with inflammation, D. Anterior necrotizing without inflammation
A: Non-necrotizing anterior diffuse
Answer: A: Non-necrotizing anterior diffuse 
Explanation: Ans. Non-necrotizing anterior diffuse