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': 'What is the most common eye pathology in rheumatoid ahritis? \nSelect and explain. \nA. Scleritis, B. Episcleritis, C. Keratoconjunctivitis sicca, D. Anterior uveitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. Keratoconjunctivitis siccaMC ocular manifestation of RA- Dry eye(Keratoconjunctivitis sicca).', 'role': 'assistant'}]