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
Bitots spots are seen in: March 2004 
Select and explain. 
A. Vitamin D deficiency, B. Vitamin A deficiency, C. Vitamin E deficiency, D. Vitamin B6 deficiency
B: Vitamin A deficiency
Answer: B: Vitamin A deficiency 
Explanation: Ans. B i.e. Vitamin A deficiency