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
[{'content': 'Enucleation is done for -a) Retinoblastomab) Malignant melanomac) Glaucomad) Pthisis bulbie) Vitreous hemorrhage \nSelect and explain. \nA. abd, B. bcd, C. abc, D. ab', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Indications of Enucleation \n\nAbsolute: - Retinoblastoma, malignant melanoma.\nRelative: - Painful blind eye, mutilating ocular injury, anterior staphyloma, phthisis bulbi, endophthalmitis, congenital anophthalmia or severe microphthalmia.\n\nIndications for evisceration \n\nEndophthalmitis not responding to antibiotics\nImprovement of cosmosis in a blind eye\nPanophthalmitis\n\nIndications of exentration \n\nLarge orbital tumors\nOrbital extension of intraocular tumor', 'role': 'assistant'}]