Summary Elevated IOP is a common occurrence following VR surgery and is more likely with increasing complexity of the repair such as with the use of silicone oil or intravitreal gas with pars plana vitrectomy. The cause of the intraocular…
Summary Implants have several characteristics that make them preferable to conventional filtering surgeries. Recognition of a safer long-term postoperative period has made glaucoma surgeons consider their use in more primary cases, with intact conjunctiva, especially in children and for combined…
Summary Glaucoma drainage devices (GDDs) are a very important and effective tool for glaucoma surgery, especially in complicated and secondary glaucoma. Complications are not uncommon and are varied in nature. The risk of many of the complications associated with the…
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Summary Alternate drainage implant devices not already discussed in the previous three chapters, some primarily of historical interest and others currently used in various parts of the world, are described in this chapter. Pearls for insertion of implants and on…
Summary The Ahmed Glaucoma Valve is designed to drain aqueous humor from the anterior chamber through a silicone tube and across flow-resistant valve mechanism, and then onto a silicone or polypropylene plate located posterior to the limbus. The incorporation of…
Summary The Baerveldt glaucoma implant continues to play an important role in the management of patients with glaucoma. Careful preoperative planning and meticulous operative technique will help minimize complications. At present the implant is generally recommended for the surgical management…
Summary Results depend on the etiology of the glaucoma and previous ocular history. The Otago Glaucoma Surgery Outcome Study follows surgically treated cases of glaucoma at Dunedin Hospital, New Zealand. Long-term IOP control at 5 years (and 10 years if…
Summary Since publication of the Tube vs. Trabeculectomy Study there has been increased interest in the use of aqueous shunts for the management of glaucoma. Evidence suggests that long-term IOP control after aqueous shunts is determined, not only by the…
Summary The ultimate goal to be wished for with the use of a glaucoma implant is pressure lowering. Most studies reported in the literature, with the use of glaucoma implants, define success as pressures of 21 mmHg or lower. Most severe…