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
Tractional retinal detachment is seen in: March 2005 
Select and explain. 
A. Myopia, B. DM retinopathy, C. Trauma, D. Vitreous loss after Surgery
B: DM retinopathy
Answer: B: DM retinopathy 
Explanation: Ans. B: DM retinopathy There are three types of detachment: rhegmatogenous, which involves a retinal tear, and traction and serous (exudative) detachment, which do not involve a tear (nonrhegmatogenous). Rhegmatogenous detachment is the most common. Risk factors include the following: Myopia Previous cataract surgery Ocular trauma Traction retinal detachment can be caused by vitreoretinal traction due to preretinal fibrous membranes as may occur in proliferative diabetic or sickle cell retinopathy. Serous detachment results from transudation of fluid into the subretinal space. Causes include severe uveitis, especially in Vogt-Koyanagi-Harada syndrome, choroidal hemangiomas, and primary or metastatic choroidal tumors.