Ab externo trabeculectomy performed under topical anesthesia supplemented by conscious sedation.

Background: Ab externo trabeculectomy (AET) is the most common surgical procedure to treat glaucoma; topical anesthesia supplemented by conscious sedation is one of the diverse anesthetic methods to perform such type of surgery. The efficacy and safety of using topical anesthesia supplemented with conscious sedation for performing trabeculectomy were assessed in this prospective study.

Methods: Twenty-six eyes of 26 consecutive patients underwent trabeculectomy under the effect of topical anesthesia and sedation.