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
Unilateral papilloedema with optic atrophy on the other side is a feature of - 
Select and explain. 
A. Foster kennedy syndrome, B. Fisher syndrome, C. Vogt-koyanagi harada syndrome, D. WAGR syndrome
A: Foster kennedy syndrome
Answer: A: Foster kennedy syndrome 
Explanation: None