This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous and retina, 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: Retinal detachment is the seperation of neurosensory retina proper from the pigment epithelium. Normally, these two layers are loosely attached to each other with a potential space in between. Ref;A.K.Khurana; 6th edition;298', 'role': 'assistant'}]