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Document Type

Original Article

Abstract

Objective: To evaluate the effectiveness of ab externo 360-degree suture trabeculectomy (ST) and deep sclerectomy (DS) in adults with primary open-angle glaucoma (POAG) in lowering intraocular pressure (IOP), lowering the number of antiglaucoma medicines needed, and reducing surgery and postsurgical problems. Patients and Methods: This research involved 20 eyes out of 20 cases with POAG classified into two equal groups according to surgical treatment modality. Group (1) performed an ab externo 360-degree suture trabeculotomy, and group (2) performed a deep sclerotomy. Visual acuities, gonioscopy, fundus examination, and fundus optical coherence tomography (OCT) were done. Results: Complete success was observed in 100%, 100%, 80%, and 70% in the ST group (1) in the first week, first month, third month, and sixth month, respectively, while it was 100%, 90%, 70%, and 60% in the DS group (2) in the first week, first month, third month, and sixth month, respectively. It was observed that failure occurred in only one instance (10%) in group (1) and in three instances (30%) in group (2) at the conclusion of the 6-month follow-up duration. Conclusion: The rate of success and IOP lowering was slightly better in the ab externo 360o suture trabeculotomy technique than the deep sclerectomy technique. Both techniques showed fewer complications; however, the complications were less in deep sclerectomy.

Keywords

Glaucoma, Suture Trabeculotomy, Deep Sclerectomy

Subject Area

Ophthalmology

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