This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjuctiva, Subject name: Ophthalmology
Vernal keratoconjunctivitis - 
Select and explain. 
A. Is usually unilateral, B. Eosinophil is common in the papilla, C. Is commoner in adults than in children, D. Causes corneal melting
B: Eosinophil is common in the papilla
Answer: B: Eosinophil is common in the papilla 
Explanation: Ans. (b) Eosinophil is common in the papillaeRef: Parson's 21/e, p. 178* Histologically hypertrophied papillae show eosinophilic leukocytes in great numbers* In addition infiltration with basophils, lymphocytes and plasma cells may also be seen.