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': 'Traumatic dislocation of lens is best diagnosed by: \nSelect and explain. \nA. Direct ophthalmoscopy, B. Indirect ophthalmoscopy, C. Distant direct ophthalmoscopy, D. Slit-lamp examination', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Slit-lamp examination', 'role': 'assistant'}]