1861
Intraocular pressure - lowering surgeries were considered a success ( postoperative IOP of 6 - 21 mm Hg with or without additional IOP - lowering medication ) in 85 . 1 % of eyes at 1 year .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None