8080
We suggest that objective evaluation of retinal function with electrophysiological methods should be performed in patients with visual disturbance during treatment with rifabutin .
 adverse effect: visual disturbance, rifabutin
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 disturbance, rifabutin 
Answer:
 adverse effect: visual disturbance, rifabutin