1. Effect of trabeculectomy on optic nerve head and macular vessel density: an optical coherence tomography angiography study

    Effect of trabeculectomy on optic nerve head and macular vessel density: an optical coherence tomography angiography study

    Purpose: To investigate the effect of trabeculectomy on peripapillary and macular vessel density (VD) using optical coherence tomography angiography (OCT-A) in patients with primary open-angle glaucoma. Methods: This is a prospective, interventional study on 32 glaucoma eyes (21 patients) who underwent trabeculectomy. Optic nerve head (ONH) and macular structural and OCT-A scans were performed before surgery and at one and six months postoperatively with the Avanti device (AngioVue System, Optovue Inc., Fremont, CA). The primary outcomes of interest were changes in global and regional peripapillary and macular VD. Results: The average (standard deviation) age and visual field mean deviation of ...

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