نتایج جستجو برای: peripapillary retinal nerve fiber layer thickness

تعداد نتایج: 700503  

2012
Philipp Albrecht Ann-Kristin Müller Marius Ringelstein David Finis Gerd Geerling Eva Cohn Orhan Aktas Hans-Peter Hartung Harald Hefter Axel Methner

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...

2011
Mehmet Demir Ersin Oba Efe Can Mahmut Odabasi Semra Tiryaki Erhan Ozdal Hakan Sensoz

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...

2009
Mohammad Pakravan Shila Aramesh Shahin Yazdani Mehdi Yaseri Massih Sedigh-Rahimabadi

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...

2013
Wenbin Huang Wei Wang Minwen Zhou Shida Chen Xinbo Gao Qian Fan Xiaoyan Ding Xiulan Zhang

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...

2017
Frederike C. Oertel Hanna Zimmermann Janine Mikolajczak Maria Weinhold Ella Maria Kadas Timm Oberwahrenbrock Florence Pache Judith Bellmann-Strobl Klemens Ruprecht Friedemann Paul Alexander U. Brandt

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...

2014
Otto Alexander Maneschg Éva Volek János Németh Gábor Márk Somfai Zsuzsanna Géhl Irén Szalai Miklós Dénes Resch

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...

2016
Chieh-Li Chen Anqi Zhang Karine D. Bojikian Joanne C. Wen Qinqin Zhang Chen Xin Raghu C. Mudumbai Murray A. Johnstone Philip P. Chen Ruikang K. Wang

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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