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
In retinal detachment - 
Select and explain. 
A. Effusion of fluid into the suprachoroidal space, B. Retinoschisis, C. Separation of sensory retina from pigment epithelium, D. None of the above
C: Separation of sensory retina from pigment epithelium
Answer: C: Separation of sensory retina from pigment epithelium 
Explanation: 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