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
Surgery used to treat posterior capsular Opacification is 
Select and explain. 
A. Laser Posterior Capsulotomy, B. Extracapsular cataract Extraction, C. Phacoemulsification, D. Lensectomy
A: Laser Posterior Capsulotomy
Answer: A: Laser Posterior Capsulotomy 
Explanation: Posterior Capsular opacification is a complication of Cataract surgery.
Treatment is Nd : YAG laser posterior capsulotomy.