Comparison of macular thickness by optical coherence tomography measurements after uneventful phacoemulsification using ketorolac tromethamine, nepafenac, vs a control group, preoperatively and postoperatively

Introduction: Cataracts remain the leading cause of blindness in the world, and cataract surgery is one of the most frequently performed surgical procedures. Cystoid macular edema (CME) is the most common cause of visual impairment related to the postoperative period of uncomplicated cataract surgery. CME has a low incidence of 0.1%–2.35%;1 occurs between the fourth and tenth postoperative week; and can manifest as visual blurring, image distortion, photophobia, or some combination therein.2,3 There are two types of CME: one is a subclinical type, in which macular thickening is observed normally on optical coherence tomography (OCT) and with no reduction of visual acuity; the other type is associated with the reduction of visual acuity.

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