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: Unknown
A Child from slums with cheese like lesion on temporal side of Conjunctiva. Diagnosis is? 
Select and explain. 
A. X1A, B. X1B, C. X2A, D. X3A
B: X1B
Answer: B: X1B 
Explanation: Ans. (b) X1B.Notice the cheesy white plaque seen on the temporal side of the cornea which is called as Bitot spots and classified as X1B.