This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
Oil drop cataract is characteristically seen in - 
Select and explain. 
A. Diabetes, B. Chalcosis, C. Galactosemia, D. Wilson's disease
C: Galactosemia
Answer: C: Galactosemia 
Explanation: Oil drop cataract is seen in galactosemia. Ref: Clinical ophthamology 2nd/e p.791.