13826
Electro - oculography , electroretinography , visual evoked potentials , and multifocal electroretinography in patients with vigabatrin - attributed visual field constriction .
 adverse effect: visual field constriction, vigabatrin
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  visual field constriction, vigabatrin 
Answer:
 adverse effect: visual field constriction, vigabatrin