9054
The current study investigated the visual fields and visual electrophysiology of eight patients with known vigabatrin - attributed visual field loss , three of whom were reported previously .
 visual field loss, vigabatrin
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 visual field loss, vigabatrin