Effect of Needle Revision of Failed Filtering Blebs with Different Concentrations of Mitomycin C

Purpose: To investigate the efficacy and the risk factors for failure and complications of mitomycin C (MMC)-augmented needle revision (NR) of failed filtering blebs. Methods: Thirty eyes whose intraocular pressure (IOP) did not decrease after the cutting of scleral flap sutures were recruited. NR was performed with a 26-gauge needle under a slit-lamp. Immediately following NR, all eyes received a subconjunctival injection of 0.1 ml of 0.02...