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 Sommering is seen in - \nSelect and explain. \nA. Galactosemia, B. Dislocation of lens, C. Acute congestive glaucoma, D. After cataract', 'role': 'user'}, {'content': "Answer: D \nExplanation: Soemmering's ring which refers to a thick ring of after cataract formed behind the iris, enclosed between the two layers of capsule. REF IMG", 'role': 'assistant'}]