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': 'In a child with juvenile rheumatoid arthritis, the eye examination shows presence of. \nSelect and explain. \nA. Band keratopathy, B. Vortex keratopathy, C. Fuchs endothelial dystrophy, D. Bitot spots', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Band keratopathy.', 'role': 'assistant'}]