نتایج جستجو برای: peripapillary retinal nerve fiber layer thickness
تعداد نتایج: 700503 فیلتر نتایج به سال:
BACKGROUND/OBJECTIVE In addition to cirrhosis of the liver, Wilson's disease leads to copper accumulation and widespread degeneration of the nervous system. Delayed visual evoked potentials (VEPs) suggest changes to the visual system and potential structural changes of the retina. METHODS We used the latest generation of spectral domain optical coherence tomography to assess the retinal morph...
PURPOSE The inspection of foveal and parafoveal thickness in healthy pregnant women in the last trimester. MATERIALS AND METHODS This study included 40 healthy pregnant women in their last trimester (study group: 40 women, 80 eyes) and 37 nonpregnant women (control group: 37 women, 74 eyes). Visual acuity, intraocular pressure, slit lamp examination of anterior and posterior segments, and vis...
Normative Values of Peripapillary Retinal Nerve Fiber Layer Thickness in a Middle Eastern Population
PURPOSE To determine peripapillary retinal nerve fiber layer (RNFL) thickness values by three-dimensional optical coherence tomography (3D-OCT) in a normal Iranian population and to evaluate the concordance of these measurements with those obtained by the second generation of optical coherence tomography (OCT II). METHODS In a cross-sectional observational study, 96 normal Iranian subjects 20...
BACKGROUND To evaluate the peripapillary choroidal thickness of a healthy Chinese population, and to determine its influencing factors. METHODS A total of 76 healthy volunteers (76 eyes) without ophthalmic or systemic symptoms were enrolled. Choroidal scans (360-degree 3.4 mm diameter peripapillary circle scans) were obtained for all eyes using enhanced depth imaging spectral-domain optical c...
Neuromyelitis optica spectrum disorders (NMOSDs) are relapsing inflammatory demyelinating disorders with optic neuritis (ON) as the hallmark. ON causes neuroaxonal damage to the optic nerve and retina, regularly leading to severely impaired visual acuity (VA). Peripapillary retinal nerve fiber layer (pRNFL) thickness measured by optical coherence tomography (OCT) has been increasingly recognize...
BACKGROUND Acute severe postoperative endophthalmitis may lead to severe vision loss. The aim of this study was the analysis of macular microstructure imaged by spectral domain optical coherence tomography in patients after pars plana vitrectomy due to postcataract endophthalmitis. METHODS A cross sectional study was carried out in 17 patients who had cataract surgery in both eyes and underwe...
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...
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