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METHODS : We present a case of presumed amikacin retinal toxicity following treatment with amikacin and vancomycin for alpha - haemolytic streptococcal endophthalmitis .
 amikacin, retinal toxicity, amikacin, vancomycin, streptococcal endophthalmitis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 amikacin, retinal toxicity, amikacin, vancomycin, streptococcal endophthalmitis