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
All are the causes of neovascular glaucoma except: 
Select and explain. 
A. Intraocular tumour, B. Central retinal vein occlusion, C. Diabetic retinopathy, D. Central serous retinopathy
D: Central serous retinopathy
Answer: D: Central serous retinopathy 
Explanation: Ans. Central serous retinopathy