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
Primary aim of retinal detachment surgery 
Select and explain. 
A. Removal of vitreous, B. Drainage of subretinal fluid, C. Vitrectomy, D. Encirclage
D: Encirclage
Answer: D: Encirclage 
Explanation: D i.e. Encirclage The main objective of the treatment of retinal detachment is to seal and suppo the retinal breakQ.