Management of glaucoma drainage implant tube kink and obstruction with Pars Plana Clip.

Increased intraocular pressure after glaucoma drainage implant surgery may be caused by obstruction of the tube. A case of obstruction of an Ahmed glaucoma valve tube after pars plana insertion due to kinking of the tube was treated with a Pars Plana Clip (New World Medical, Rancho Cucamonga, CA).