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
The commonest type of cataract in adults is: 
Select and explain. 
A. Nuclear cataract, B. Coical cataract, C. Morgagnian cataract, D. None of the above
B: Coical cataract
Answer: B: Coical cataract 
Explanation: Ans. Coical cataract