This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Ring of Sommerring is seen in - \nSelect and explain. \nA. Galactosemia, B. Dislocztion of lens, C. Acute congestive glaucoma, D. After cataract', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ring of sommerring and Elsching's are seen in after cataract. (Ref: Parson's 22nd/e p.285 & 21st/e p.279)", 'role': 'assistant'}]