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': 'Sarcoidosis is associated with – \nSelect and explain. \nA. Band keratopathy, B. Systemic amyloidosis, C. Angioid streaks, D. Cataracta nigra', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sarcoidosis is associated with band keratopathy from metabolic derrangement resulting in hypercalcemia.', 'role': 'assistant'}]