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
Commonest type of concussion cataract is: 
Select and explain. 
A. Punctate cataract, B. Early rosette-shaped cataract, C. Late rosette-shaped cataract, D. Zonular cataract
A: Punctate cataract
Answer: A: Punctate cataract 
Explanation: Ans. Punctate cataract