This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Anticonvulsant causing visual field contraction is: 
Select and explain. 
A. Vigabatrin, B. Levetiracetam, C. Ethosuximide, D. Phenytoin
A: Vigabatrin
Answer: A: Vigabatrin 
Explanation: Vigabatrin can cause visual field contraction, production of behaviour changes,depression or psychosis as adverse effects. REF KD TRIPATHI 8TH ED.