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': 'Elsching pearls is seen in \nSelect and explain. \nA. Wilsons disease, B. Secondary cataract, C. Complicated cataract, D. Congenital cataract', 'role': 'user'}, {'content': "Answer: B \nExplanation: After cataract is also known as 'secondary cataract' . Types of after cataract : Thickened posterior capsule opacification(PCO) Dense membranous after cataract Soemmering's ring which refers to a thick ring of after cataract formed behind the iris, enclosed between the two layers of capsule Elsching's pearls in which the vacuated subcapsular epithelial cells are clustered like soap bubbles along the poster capsule. Ref;A.K.Khurana; 6th edition; Page no:214 QUESTION REPEATED", 'role': 'assistant'}]