This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune-mediated scleritis, Subject name: Ophthalmology
Most common type of scleritis - 
Select and explain. 
A. Non-necrotizing, B. Necrotizing, C. Posterior, D. None
A: Non-necrotizing
Answer: A: Non-necrotizing 
Explanation: Ans. is 'a' i.e., Non-necrotizingClassification of scleritiso It can be classified as follows :I)Anterior scleritis (98%)1. Non-necrotizing scleritis (85%)DiffuseNodular2)Necrotizing scleritis (13%)With inflammationWithout inflammation (scleromalacia perforans)II) Posterior scleritis (2%)