To the Editor.
—The recent trend in trabeculectomy is to suture the scleral flap rather tightly to prevent immediate postoperative hypotony.1 If intraocular pressure is not reduced to the desired level, then one or more of the flap sutures are selectively cut using the argon or krypton laser within the first week after surgery to improve filtration. Quite often, however, the fine sutures used to close the scleral flap (usually 10-0 monofilament nylon) are difficult to visualize through the conjunctiva (Fig 1). This necessitates the use of special lenses to press the conjunctiva against the sclera so that the sutures become visible. The Zeiss gonioprism1 and the special suture lysis lens described by Hoskins and Migliazzo2 are two such devices that have been recommended. I describe herein the use of a disposable glass pipette, the Micro/Pipettor (Scientific Manufacturing Industries Inc, Berkeley, Calif) (Fig 2), which is readily
Tomey KF. A Simple Device for Laser Suture Lysis After Trabeculectomy. Arch Ophthalmol. 1991;109(1):14–15. doi:10.1001/archopht.1991.01080010016008
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