This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea, Subject name: Ophthalmology
[{'content': 'Sarcoidosis is associated with: \nSelect and explain. \nA. Band keratopathy, B. Systemic amylodosis, C. Angioid streaks, D. Cataracta nigra', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Band kerotopathySarcoidosis is associated the band keratopathy from metabolic derangement resulting in hypercalcemia and from chronic uveitis.', 'role': 'assistant'}]