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
All of the following findings are associated with optic neuritis except 
Select and explain. 
A. Painful ocular movements, B. Defective color perception, C. Defective depth perception, D. Metamorphopsia
D: Metamorphopsia
Answer: D: Metamorphopsia 
Explanation: Defective depth perception - pulfrichphenomeron.
Metamorphopsia not associated with optic neuritis.