This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': 'Lisch nodule seen in - \nSelect and explain. \nA. Sympathetic ophthalmitis, B. Neurofibromatosis, C. Chronic iridocyclitis, D. Trachoma', 'role': 'user'}, {'content': "Answer: B \nExplanation: Bilateral Lisch nodules are seen in neurofibromatosis type 1. These are hamaomas that develop during second - third decades, seen as tiny nodular pigmented lesions protruding above the iris surface. Other uncommon iris lesions in type 1 NF include congenital ectropion uveae and mammillations. Ref: kanski's 8 th edition , page no. 840", 'role': 'assistant'}]