4070
The ocular hypotensive effects were statistically significant for apraclonidine - treated eyes throughout the study and also statistically significant for contralateral eyes from three hours after topical administration of 1 % apraclonidine .
 ocular hypotensive, apraclonidine, apraclonidine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 ocular hypotensive, apraclonidine, apraclonidine