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
In maturity onset diabetes mellitus, ophthalmoscopy should be done at – 
Select and explain. 
A. Immediately, B. After 5 years, C. After 10 years, D. After 15 years
A: Immediately
Answer: A: Immediately 
Explanation: None