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October 1996

An Inexpensive Visualization Method for Laser Suture Lysis

Author Affiliations

Istanbul, Turkey

Arch Ophthalmol. 1996;114(10):1301-1302. doi:10.1001/archopht.1996.01100140501045

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One of the major, early postoperative complications of trabeculectomy is hypotony by overfiltration. Suturing of the flap by tight 10-0 black monofilament sutures can prevent overfiltration after trabeculectomy. Tight sutures may diminish the filtration and can result in hypertony in the early postoperative period. Cutting some of the sutures of the scleral flap can be done to maintain a normal intraocular pressure level. One method of cutting scleral sutures is the laser suture lysis technique.

In the original article by Hoskins and Migliazzo,1 a special contact lens is described, which is used for the visualization of scleral sutures when conjunctiva and tenon capsule are pressed under it. A Zeiss goniolens is also recommended for the same purpose.2 Tomey3 used glass micropipettes for laser suture lysis and stressed that the micropipettes are less expensive than contact lenses. He also described the tolerance advantage of the micropipette in the

Hoskins HD Jr, Migliazzo C.  Management of failing filtering blebs with the argon laser . Ophthalmic Surg . 1984;15:731-733.
Savage JA, Condon GP, Lytle RA, Simmons RJ.  Laser suture lysis after trabeculectomy . Ophthalmology . 1988;95:1631-1638.Article
Tomey KF.  A simple device for laser suture lysis after trabeculectomy . Arch Ophthalmol . 1991;109:14-15.Article