نتایج جستجو برای: gdx vcc

تعداد نتایج: 598  

Journal: :journal of current ophthalmology 0
علی عبداللهی ali abdollahi محمدرضا پنجتن پناه mohammad reza panjtan panah حیدر امینی heydar amini قاسم فخرایی ghasem fakhraei رضا زارعی reza zarei محمد سلیمانی mohammad soleimani ساسان مقیمی

purpose : to compare the ability of scanning laser polarimetry (gdx vcc), and optical coherence tomography (oct) to discriminate eyes with primary open angle glaucoma (poag) from normal eyes and to assess the relationship between their parameters methods : eighty-seven glaucomatous eyes of 87 patients and 25 normal eyes were enrolled. the mean age of patients and normal group were 54.96±18.34 a...

Journal: :Investigative ophthalmology & visual science 2005
Christopher Kai-shun Leung Wai-man Chan Kelvin Kam-Long Chong Wing-ho Yung Kai-tat Tang Jackson Woo Woon-ming Chan Kwok-kay Tse

PURPOSE To evaluate the average and regional correlations of retinal nerve fiber layer (RNFL) thickness measured by StratusOCT (optical coherence tomography; Carl Zeiss Meditec, Inc., Dublin, CA) and GDx VCC (Laser Diagnostic Technologies, Inc., San Diego, CA). METHODS Eighty-nine subjects-27 normal, 21 with suspected glaucoma, and 41 with glaucoma-were included in this cross-sectional study....

Journal: :Investigative ophthalmology & visual science 2007
Felipe A Medeiros Christopher Bowd Linda M Zangwill Chirag Patel Robert N Weinreb

PURPOSE To evaluate and compare the diagnostic accuracies for glaucoma detection of scanning laser polarimetry (SLP) with enhanced corneal compensation (GDx ECC) and variable corneal compensation (GDx VCC; both by Carl Zeiss Meditec, Dublin, CA), according to different levels of disease severity and presence of atypical retardation patterns. METHODS The study included 102 eyes of 68 patients ...

Journal: :Investigative ophthalmology & visual science 2004
Nicolaas J Reus Hans G Lemij

PURPOSE To investigate the relationship between retinal light sensitivity measured with standard automated perimetry (SAP) and retardation of the peripapillary retinal nerve fiber layer (RNFL) measured with the GDx VCC (Laser Diagnostic Technologies, Inc., San Diego, CA). METHODS Forty-seven healthy subjects and 101 patients with glaucoma were examined with SAP and with the commercially avail...

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2008
E Borque A Ferreras V Polo J M Larrosa L E Pablo F M Honrubia

PURPOSE To assess the diagnostic ability of scanning laser polarimetry (GDx VCC) to differentiate between normal and glaucomatous eyes. METHODS 417 eyes of 417 consecutive subjects were prospectively selected. They were classified into 60 healthy controls, 218 ocular hypertensive eyes, 68 glaucoma suspects, and 71 glaucomatous eyes, depending on intraocular pressure, optic nerve head morpholo...

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2008
J J García-Medina M García-Medina V C Zanón-Moreno R Gallego-Pinazo M D Pinazo-Durán

CASE REPORT We report the follow-up of a case of choroideremia who underwent three white-on-white automated visual field and three scanning laser polarimetry (SLP) examinations by means of a GDx VCC in the course of one year. A bilateral perimetric deterioration in indices and scotomas was found. As a result, retinal nerve fiber layer retardation parameters and maps changed on GDx VCC advanced ...

Journal: :The British journal of ophthalmology 2011
Xiaozhen Wang Shuning Li Jing Fu Gewei Wu Dapeng Mu Songfeng Li Jian Wang Ningli Wang

AIM To evaluate the diagnostic performances and correlations of retinal nerve fibre layer (RNFL) thickness measured by RTVue OCT and GDx variable corneal compensation (VCC). METHODS The total and regional RNFL thickness were measured by RTVue OCT and GDx VCC in 62 normal eyes and 72 glaucomatous eyes of Chinese subjects. The RNFL thickness profiles of normal and glaucomatous eyes by RTVue OCT...

2016
Antonio Lleó-Pérez Amparo Ortuño-Soto Juan A. Sanchis-Gimeno

PURPOSE: To evaluate the correlation between automated achromatic perimetry (AAP) and the output of two retinal nerve fiber layer (RNFL) analysers: scanning laser polarimetry (GDx-VCC) and optical coherence tomography (OCT). METHODS: Quantitative RNFL measurements with GDx-VCC and Stratus-OCT were obtained in one eye from 52 healthy subjects, 38 ocular hypertensive (OHT) patients and 94 glaucom...

2006
Ji Yong Jung Jae-hyung Kim Michael S. Kook

PURPOSE To compare quantitative polarimetric measurements in eyes with NTG and HTG using GDx-VCC. Both groups were matched by age and glaucoma stage based on the Humphrey visual field test. METHODS We retrospectively reviewed the records of 146 patients who underwent Humphrey field analysis (HFA) and GDx-VCC. We compared outcomes of retinal nerve fiber layer (RNFL) parameters among the three ...

2009
Seong Bae Park Yoon Pyo Nam Kyung Rim Sung Michael S. Kook

PURPOSE To evaluate and compare correlations between structural and functional loss in glaucoma as assessed by optical coherence tomography (OCT), scanning laser polarimetry (GDx VCC, as this was the model used in this study), standard automated perimetry (SAP), and the Humphrey Matrix (Matrix). METHODS Ninety glaucomatous eyes identified with SAP and 112 eyes diagnosed using Matrix were inde...

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