This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acquired Cataract, Subject name: Ophthalmology
Polychromatic luster type of cataract seen in - 
Select and explain. 
A. Complicated cataract, B. Myotonic Dystrophy, C. Diabetes mellitus, D. Wilson's disease
A: Complicated cataract
Answer: A: Complicated cataract 
Explanation: Ans. is 'a' i.e., Complicated cataract o See above explanation