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
Keratomalacia ;s associated with: 
Select and explain. 
A. Measles, B. Mumps, C. Rubella, D. Chicken pox
A: Measles
Answer: A: Measles 
Explanation: Ans. Measles