2508
PURPOSE : Ocular ischemic syndrome ( OIS ) is often poorly diagnosed and treated as primary open angle glaucoma or later on , as neovascular glaucoma .
 Ocular, primary open angle glaucoma, neovascular glaucoma
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Ocular, primary open angle glaucoma, neovascular glaucoma