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Nonpenetrating glaucoma surgery: meta-analysis of recent results
Ahmet Hondur1, Merih Onol, Berati Hasanreisoglu
1Dinar State Hospital, Afyonkarahisar, Turkey. ahondur@yahoo.com
Purpose:
To evaluate the efficacy of nonpenetrating glaucoma surgery for open angle glaucoma with respect to target intraocular pressure (IOP) and severity of glaucoma.
Materials And Methods:
A literature search with the terms "nonpenetrating glaucoma surgery, deep sclerectomy (DS), viscocanalostomy (VC), and open angle glaucoma" was carried out for the reports in the last 5 years. Studies encompassing only combined glaucoma and cataract surgery were excluded. Measurement of effectiveness was determined on the basis of achievement of target IOP. Data related to postoperative goniopuncture and needling with antimetabolite application were noted.
Results:
The percentage of cases achieving
Conclusions:
Nonpenetrating glaucoma surgery seems to provide IOP reduction into the high teens. Its potential to achieve lower target IOPs seems to be low. Longer-term studies, with data related to glaucoma severity and proper target IOPs are required.
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