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Three of 50 patients treated with isotretinoin ( 1 mg / kg / day ) for cystic acne complained of poor night vision and/or excessive glare sensitivity .
 adverse effect: excessive glare sensitivity, isotretinoin; adverse effect: poor night vision, isotretinoin
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: excessive glare sensitivity, isotretinoin; adverse effect: poor night vision, isotretinoin