نتایج جستجو برای: glaucoma suspect
تعداد نتایج: 35054 فیلتر نتایج به سال:
PURPOSE To investigate the vascular microcirculation changes in the retinal nerve fiber layer (RNFL) in normal, glaucoma suspect, and open-angle glaucoma (OAG) groups using optical coherence tomography-based microangiography (OMAG). METHODS One eye from each subject was scanned with a Cirrus HD-OCT 5000-based OMAG prototype system montage scanning protocol centered at the optic nerve head (ON...
Purpose Evaluation of the effect of prelaminar tissue thickness on visualization of the lamina cribrosa (LC) using optical coherence tomography (OCT). Methods The optic nerve head (ONH) region was scanned using OCT. The quality of visible LC microstructure was assessed subjectively using a grading system and objectively by analyzing the signal intensity of each scan's superpixel components. M...
Glaucoma is a chronic disease often called "silent thief of sight" as it has no symptoms and if not detected at an early stage it may cause permanent blindness. Glaucoma progression precedes some structural changes in the retina which aid ophthalmologists to detect glaucoma at an early stage and stop its progression. Fundoscopy is among one of the biomedical imaging techniques to analyze the in...
PURPOSE Multifocal visual evoked potential (mfVEP) is a newly introduced method used for objective visual field assessment. Several analysis protocols have been tested to identify early visual field losses in glaucoma patients using the mfVEP technique, some were successful in detection of field defects, which were comparable to the standard automated perimetry (SAP) visual field assessment, an...
To measure the Anterior Chamber depth, chamber angle with segment OCT and measuring intra ocular pressure before after Laser Peripheral Iridotomy in Primary Angle closure Disease. Methods: In primary patients both males females are selected variable ages. (AC) angles examined Gonioscopy configuration classified Shaffer System (1960) (1)The Intra Ocular Pressure (IOP) recorded applanation Tonome...
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