Trabeculectomy after vitreoretinal surgery with silicone oil yields low success rate

A majority of patients who underwent trabeculectomy with mitomycin C for glaucoma after vitreoretinal surgery with silicone oil failed to attain IOP less than 21 mm Hg, according to a study. Investigators measured IOP, visual acuity and glaucomatous neuropathy status before surgery and multiple times up to 1 year postoperatively in 19 consecutive patients with uncontrolled IOP after silicone oil removal despite taking the maximum number of tolerable medications. Twelve cases were deemed failures at 1 year.

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