Sub tenon's steroid injection

After the plate is attached to the globe, the tube is laid across the cornea and cut with a sharp scissors to create a beveled edge with the opening toward the cornea. The tube should extend approximately to 3 mm into the anterior chamber to minimize the risk of tube-cornea touch or retraction out of the anterior chamber. A 23-gauge needle is used to create a track through which the tube is inserted into the anterior chamber just anterior and parallel to the iris. The tube may be secured to the sclera a few millimeters anterior to the plate with 7- 0 or 8-0 Vicryl suture. This suture helps to stabilize the tube and should not be tight; otherwise, it will restrict flow in valved devices.

Sub tenon's steroid injection

sub tenon's steroid injection

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