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 complicated cataract except: 
Select and explain. 
A. Pars planitis, B. Retinitis pigmentosa, C. Retinal detachment, D. Posterior vitreous detachment
D: Posterior vitreous detachment
Answer: D: Posterior vitreous detachment 
Explanation: Ans. Posterior vitreous detachment