نتایج جستجو برای: retinal nerve fiber layer
تعداد نتایج: 618734 فیلتر نتایج به سال:
Herein we present the spectral-domain optical coherence tomographic (SD-OCT, Heidelberg Spectralis; Heidelberg Engineering, Heidelberg, Germany) image of an 80-year-old male patient with partial posterior vitreous detachment (PVD). Tractional forces from the vitreous body pull retinal layers by means of vitreoretinal adhesions.1,2 This high-resolution SD-OCT image illustrates how traction eleva...
PURPOSE To assess alterations of retinal layers in healthy subjects over 60 years old. METHODS Retinal layers of 160 healthy subjects (aged 60-100 years) without any retinal pathology were imaged using spectral domain optical coherence tomography. Mean thickness of retinal nerve fiber layer, ganglion cell/inner plexiform layer (GCLIPL), inner nuclear layer, outer plexiform layer/outer nuclear...
In this study, optical coherence tomography (OCT) was used to evaluate retinal thickness in two patients with optic neuropathy who had recently discontinued ethambutol. OCT was used to measure retinal nerve fiber layer (RNFL) thickness and to map the RNFL, ganglion cell layer (GCL), and inner plexiform layer (IPL). Decreased RNFL thickness was observed in one case. However, the combined RNFL, G...
Amyotrophic lateral sclerosis (ALS) is characterized by neuro-ophthalmological abnormalities beyond disturbed oculomotor control such as decreased visual acuity and disturbed visual evoked potentials. Here we report retinal alterations in a cohort of 24 patients with clinically definite (n = 20) or probable (n = 4) ALS as compared to matched controls. High-resolution spectral domain optical coh...
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