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
Neovascularisation is seen in 
Select and explain. 
A. Central vein obstruction, B. Central retinal aery obstruction, C. Branch retinal vein obstruction, D. All of the above.
A: Central vein obstruction
Answer: A: Central vein obstruction 
Explanation: A i.e. Central vein obstruction