 glaucoma surgery is ripe for innovation . in the last few years , there has been a substantial increase in the number of devices approaching commercialization . 
 while not all that is new is necessarily good , the role of these devices in changing glaucoma surgery is equally important in terms of both success and failure . 
 trabeculectomy , the most commonly performed incisional filtration surgery for glaucoma , is subjective by nature and certainly has risks . as devices aim to standardize glaucoma surgery , specifically subconjunctival filtration surgery , predictability and in turn safety should theoretically improve . 
 this may allow the glaucoma surgeon to intervene earlier in the disease process , prevent more advanced vision loss and potentially decrease the burden of medications . 
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Conflicts of Interest