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Middle East African Journal of Ophthalmology Middle East African Journal of Ophthalmology
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Year : 2009  |  Volume : 16  |  Issue : 3  |  Page : 138-140

Glaukos iStent® trabecular micro-bypass

Laurel Eye Clinic, 50 Waterford Pike, Brookville, PA 15825

Correspondence Address:
Louis D Nichamin
Laurel Eye Clinic, 50 Waterford Pike, Brookville, PA 15825

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-9233.56227

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The iStent trabecular micro-bypass system (Glaukos Corp. Laguna Hills, CA) was developed to address the limitations of current medical and surgical therapies for glaucoma treatment. The iStent; is inserted ab interno through a small temporal clear corneal incision, bypassing the trabecular meshwork and placed in Schlemm's canal at the lower nasal quadrant. Implantation of this stent into Schlemm's canal allows aqueous humor to drain directly from the anterior chamber into Schlemm's canal bypassing the obstructed trabecular meshwork. For this review, a Medline search was performed using the terms "trabecular micro-bypass stent" and "trabecular bypass stent." The online abstract database for the American Academy of Ophthalmology was also reviewed. Abstracts which duplicated published articles were excluded. All relevant papers (n is equal to three) and abstracts (n is equal to one) were included in this review. Multiple, prospective multi-country, clinical trials have demonstrated the safety and efficacy of iStent in reducing IOP, when compared to traditional treatment modalities, while reducing/ eliminating the need for ocular antihypertensive drugs when implanted in OAG patients during combined cataract surgery or in patients with glaucoma refractory to traditional treatment modalities.

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