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
Which laser is used in the management of after cataracts – 
Select and explain. 
A. Argon, B. Krypton, C. Nd–YAG, D. Excimer
C: Nd–YAG
Answer: C: Nd–YAG 
Explanation: Thin after cataract can be cleared centrally by Nd : YAG laser capsulotomy.