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': 'In retinal detachment: \nSelect and explain. \nA. Effusion of fluid into the suprachoroidal space, B. Retinoschisis, C. Separation of sensory retina from pigment epithelium, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Separation of sensory retina from pigment epithelium', 'role': 'assistant'}]