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': 'The most common cause of vitreous hemorrhage in adults is – \nSelect and explain. \nA. Retinal hole, B. Trauma, C. Hypertension, D. Diabetes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: "Diabetic retinopathy is the commonest cause of spontaneous vitreous hemorrhage in adults". ____ Parson\'s\n"Most common cause of vitreous hemorrhage is diabetic retinopathy in adults".\xa0\xa0— Atlas of ophthalmology', 'role': 'assistant'}]