نتایج جستجو برای: peripapillary structures

تعداد نتایج: 456590  

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2015
E Santos-Bueso A Asorey-García J Porta-Etessam J M Vinuesa-Silva J García-Sánchez

CASE REPORT Two clinical cases are presented of two family relatives newly diagnosed with Leber hereditary optic neuropathy (LHON) and G11778A mutation analysis by optical coherence tomography (Cirrus HD-OCT, Carl Zeiss Meditec, Dublin, California, USA) layer peripapillary fibers retina (RNFL) and ganglion cell and internal plexiform layers (GCL/IPL) using macular segmentation. DISCUSSION The...

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2009
J M Ruiz-Moreno P Amat-Peral F L Lugo J A Montero

PURPOSE To analyze anatomical and visual outcomes after subretinal surgery for peripapillary choroidal neovascularization (CNV) not associated with age-related macular degeneration (AMD). METHODS Five eyes from five patients with peripapillary CNV who had been treated by subretinal surgery were retrospectively analyzed. RESULTS The patients averaged 32 years of age (range, 11 to 49, SD 14.5...

2011
In Seok Song Joong Won Shin Yong Woon Shin Ki Bang Uhm

A 59-year-old woman was referred to our clinic for a glaucoma evaluation. The visual acuity and intraocular pressure were normal in both eyes. However, red-free fundus photography in the left eye showed a superotemporal wedge-shaped retinal nerve fiber layer defect, and visual field testing showed a corresponding partial arcuate scotoma. In an optical coherence tomography examination, the macul...

2013
Elvan Yalcın Ozlem Balcı Ziya Akıngol

Unilateral extensive myelination of the peripapillary nerve fibers may be associated with anisometropic myopia, strabismus, and reduced vision. Myelination of optic nerve fibers terminate at lamina cribrosa. Yet in some patients, myelination progresses into the peripapillary retinal nerve fibers and may affect the visual acuity. In this report, we described 4 patients. All patients presented ex...

2015
Kyoung Min Lee Eun Ji Lee Seung Hyen Lee Tae-Woo Kim

BACKGROUND Disc haemorrhage (DH) is considered a characteristic sign of glaucoma, but its causative mechanism remains to be determined. We present a case of DH that occurred in association with an enlarged peripapillary intrachoroidal cavitation in a non-glaucomatous eye. CASE PRESENTATION A 35-year-old woman was evaluated for a DH that had been detected during a preoperative examination for ...

2015
Jacek K. Pijanka Martin T. Spang Thomas Sorensen Jun Liu Thao D. Nguyen Harry A. Quigley Craig Boote

PURPOSE The collagen structure of the human peripapillary sclera plays a significant role in determining optic nerve head (ONH) biomechanics, and is therefore of interest in the study of glaucoma. The aim of the current work was to map the anisotropic collagen structure of the normal human peripapillary sclera as a function of tissue depth. METHODS Wide-angle x-ray scattering was used to quan...

2015
Jacky W.Y. Lee Gordon S.K. Yau Tiffany T.Y. Woo Jimmy S.M. Lai Fatih Mehmet Turkcu.

To investigate the association between macular thickness and peripapillary retinal nerve fiber layer (RNFL) thickness in Chinese children. This cross-sectional study recruited consecutive cases of healthy pediatric subjects aged 4 to 18 from Caritas Medical Centre in Hong Kong Special Administrative Region, China, from 2013 to 2014. Subjects with only eye, ocular tumors, congenital glaucoma, co...

2016
Baptiste Coudrillier Ian C. Campbell A. Thomas Read Diogo M. Geraldes Nghia T. Vo Andrew Feola John Mulvihill Julie Albon Richard L. Abel C. Ross Ethier

PURPOSE Scleral stiffening has been proposed as a treatment for glaucoma to protect the lamina cribrosa (LC) from excessive intraocular pressure-induced deformation. Here we experimentally evaluated the effects of moderate stiffening of the peripapillary sclera on the deformation of the LC. METHODS An annular sponge, saturated with 1.25% glutaraldehyde, was applied to the external surface of ...

2016
Jian Yu Ruiping Gu Yuan Zong Huan Xu Xiaolei Wang Xinghuai Sun Chunhui Jiang Bing Xie Yali Jia David Huang

PURPOSE To investigate the relationship between retinal perfusion and retinal thickness in the peripapillary and macular areas of healthy subjects. METHODS Using spectral-domain optic coherence tomography and split-spectrum amplitude decorrelation angiography (SSADA) algorithm, retinal perfusion and retinal thicknesses in the macular and peripapillary areas were measured in healthy volunteers...

Journal: :Arquivos brasileiros de oftalmologia 2014
Muammer Ozcımen Yasar Sakarya Sertan Goktas Rabia Sakarya Ismail S Ivacık Halil I Yener Erkan Erdogan

PURPOSE This study was performed to evaluate the retinal nerve fiber layer (RNFL) and peripapillary choroidal thickness in eyes with tilted optic disc in order to identify characteristic RNFL and peripapillary choroid patterns verified by optical coherence tomography (OCT). METHODS Twenty-nine eyes of 29 patients with tilted optic discs were studied with spectral-domain (SD)-OCT and compared ...

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