“…Although these agents may inhibit fibrosis and increase the success rate of surgery [4,7,8], highrisk patients with a history of long-term medication use or those who take multiple IOP-lowering medications or who have severe inflammation still show poor long-term surgical outcome [9]. In addition, administration of these antimetabolites can cause serious complications such as corneal decompensation, bleb leakage, hypotonous maculopathy, retinal bleeding, ciliary toxicity, and infective endophthalmitis [10][11][12][13][14][15][16][17].…”