Abstract
OBJECTIVE: To compare the effects of 10/0 nylon and 10/0 mersilene sutures on the astigmatism following cataract surgery with a corneal incision. STUDY DESIGN: Prospective randomized study, until first spectacles were prescribed at 3 months postoperatively. SETTING: Teaching hospital. PATIENTS: Consecutive patients under the care of one consultant, due to undergo planned cataract extraction and intraocular lens implantation by one surgeon. No history of previous intraocular surgery. MAIN OUTCOME MEASURES: Keratometry and subjective refractions pre-operatively, and at 2, 6 and 13 weeks postoperatively. Time to complete suturing. RESULTS: No significant differences were found between the two suture materials for keratometry readings and final and surgically-induced astigmatism. Comparable ease of handling, as measured by the suturing time. CONCLUSIONS: There was no apparent benefit in the short-term for mersilene compared to nylon. However, mersilene costs more than nylon because it is double-ended. Single-ended mersilene should be made available.
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