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
A 15 year old boy has bilateral optic atrophy, diabetes mellitus and diabetes insipidus. The diagnosis is 
Select and explain. 
A. Kjer syndrome, B. Behr syndrome, C. Wolfram syndrome, D. None
C: Wolfram syndrome
Answer: C: Wolfram syndrome 
Explanation: C. i.e. Wolfram syndrome The Wolfram Syndrome is a hereditary optic atrophy. It presents between the ages of 5-21 years. This is also referred to as "DIDMOAD" i.e. Diabetes Insipidus, Diabetes Mellitus, Optic Atrophy and Deafness.