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 complication of extra capsular extraction of lens is: 
Select and explain. 
A. Cystoid macular oedema, B. Opacification of capsule, C. Iritis, D. All
D: All
Answer: D: All 
Explanation: A i.e. Cystoid Macular Oedema; B i.e. Opacification of capsule; C i.e. Iritis