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
Retinal degenerations predisposed to retinal detachment include all of the following except: 
Select and explain. 
A. Lattice degeneration, B. Snail track degeneration, C. Focal pigment clumps, D. Pavingstone degeneration
D: Pavingstone degeneration
Answer: D: Pavingstone degeneration 
Explanation: Ans. Pavingstone degeneration