1901
CONCLUSIONS : SD - OCT and AO detected abnormalities that correlate topographically with visual field loss from hydroxychloroquine toxicity as demonstrated by HVF 10 - 2 and may be useful in the detection of subclinical abnormalities that precede symptoms or objective visual field loss .
 objective visual field loss, hydroxychloroquine; visual field loss, hydroxychloroquine
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:
 objective visual field loss, hydroxychloroquine; visual field loss, hydroxychloroquine