Open label, single armed, cross over controlled study to evaluate comfort and IOP (Intraocular Pressure) changes of specific NSAIDs post SLT. Patients (n= 25, total 50 eyes) scheduled to undergo bilateral Selective Laser Trabeculoplasty (SLT) will instill bromfenac in the first eye to undergo SLT, and the contra lateral eye will receive nepafenac.