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': 'Earliest symptom of sympathetic ophthalmitis is - \nSelect and explain. \nA. Photophobia, B. Pain, C. Loss of near vision, D. Loss of distant vision', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Earliest symptoms are photophobia, lacrimation and transient indistinctness of near objects (due to weakness of accommodation as a result of injury to ciliary body).', 'role': 'assistant'}]