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
Most common complication following extra-capsular cataract extraction is: 
Select and explain. 
A. After cataract, B. Corneal endothelial decompensation, C. Secondary glaucoma, D. Cystoid macular oedema
A: After cataract
Answer: A: After cataract 
Explanation: Ans. After cataract