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': 'Retinal degenerations predisposed to retinal detachment include all of the following except: \nSelect and explain. \nA. Lattice degeneration, B. Snail track degeneration, C. Focal pigment clumps, D. Pavingstone degeneration', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Pavingstone degeneration', 'role': 'assistant'}]