Combined Scleral Flap with Donor Scleral Patch Graft for Anterior Tube Placement in Glaucoma Drainage Device Surgery

Figure 1

(a) Outline of scleral flap made with crescent blade. Note: 7-0 vicryl limbal retraction suture and marking of 9:00′, 10:30′, and 12:00′ positions (). (b) Ahmed Valve sutures in place () and AC entered and formed with viscoelastic on a 23-gauge needle. (c) Tube cut and inserted into AC, beneath the flap. (d) Human scleral patch graft fixed in place 1-2 mm behind limbus 7-0 vicryl suture. (e) Conjunctiva closed with running locking 7-0 vicryl suture.

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