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
Foster kennedy syndrome seen with 
Select and explain. 
A. AION, B. Retinal detachment, C. Frontal lobe tumor, D. Macular edema
C: Frontal lobe tumor
Answer: C: Frontal lobe tumor 
Explanation: Answer- C. Frontal lobe tumorFoster - kennedy syndrome :- The frontal lobe, pituitary and middle ear tumor such as meningiomata of the oflactor groove are sometimes associated with Ipsilateral pressure atrophy of the optic nerve and contralateral papilloedema.