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Articles for category "Ophthalmology"
Retinal Nerve Fiber Layer Measures in High- and Normal-Tension Glaucoma.
NCBI HomePage (Jul 3 2008)
Ophthalmology
Retinal Nerve Fiber Layer Measures in High- and Normal-Tension Glaucoma. Optom Vis Sci. 2008 Jul;85(7):538-542 Authors: Konstantakopoulou E, Reeves BC, Fenerty C, Harper RA PURPOSE.: To use optical coherence tomography (OCT) to investigate the qualitative and quantitative differences in the defects of the retinal nerve fiber layer (RNFL) in subjects with high tension primary open angle glaucoma and subjects with normal tension glaucoma. METHODS.: RNFL was assessed with OCT in ...
Experts debate best first-line treatment for diabetic retinopathy
Ophthalmology (Jul 1 2008)
Ophthalmology
HONG KONG — A panel of retina experts at the World Ophthalmology Congress here debated the merits of laser, anti-VEGF and triamcinolone treatment for diabetic retinopathy.
Comparison of the Optical Coherence Tomographic Features of Choroidal Neovascular Membranes in Pathologic Myopia versus Age-Related Macular Degeneration, using Quantitative Subanalysis.
NCBI HomePage (Jul 1 2008)
Ophthalmology
Comparison of the Optical Coherence Tomographic Features of Choroidal Neovascular Membranes in Pathologic Myopia versus Age-Related Macular Degeneration, using Quantitative Subanalysis. Br J Ophthalmol. 2008 Jun 27; Authors: Keane PA, Liakopoulos S, Chang KT, Heussen FM, Ongchin SC, Walsh AC, Sadda SR Aim: To compare the retinal morphologic characteristics of eyes with choroidal neovascularization (CNV) secondary to pathologic myopia versus eyes with CNV secondary to age-related macular degeneration (AMD), using ...
Myopic foveoschisis: Vitrectomy beneficial before macular hole development
Ophthalmology Times (Jun 28 2008)
Ophthalmology
Detecting a macular hole or photoreceptor detachment is critical for obtaining good surgical results in patients with myopic foveoschisis. Patients with the foveal detachment type seem to benefit the most from vitrectomy. Spectral-domain optical coherence tomography (SD-OCT) and fundus autofluorescence (FAF) are valuable for managing these patients, said Yasushi Ikuno, MD, Osaka University Medical School, Osaka, Japan.
Optometric referrals to retina specialists: evaluation and triage via teleophthalmology.
NCBI HomePage (Jun 27 2008)
Ophthalmology
Optometric referrals to retina specialists: evaluation and triage via teleophthalmology. Telemed J E Health. 2008 Jun;14(5):441-5 Authors: Hanson C, Tennant MT, Rudnisky CJ A retrospective noncomparative consecutive case series was conducted to evaluate the clinical outcomes of a novel teleophthalmology program linking optometrists to retina specialists in Alberta, Canada. One hundred seventy-one patients, referred by optometrists via teleophthalmology to a group retina practice between June 2004 and May 2006 underwent ...
Comparison of the Optical Coherence Tomographic Features of Choroidal Neovascular Membranes in Pathologic Myopia versus Age-Related Macular Degeneration, using Quantitative Subanalysis
BJO Online (Jun 26 2008)
Ophthalmology
Aim: To compare the retinal morphologic characteristics of eyes with choroidal neovascularization (CNV) secondary to pathologic myopia versus eyes with CNV secondary to age-related macular degeneration (AMD), using quantitative optical coherence tomography (OCT) subanalysis. Methods: Twenty-one eyes of 21 patients newly diagnosed with CNV secondary to pathologic myopia, and 43 consecutive cases of eyes with newly diagnosed subfoveal CNV secondary to AMD were retrospectively collected. In all patients, StratusOCT images ...
Glaucomatous retinal nerve fibre layer defects may be identified in Stratus OCT images classified as normal.
NCBI HomePage (Jun 26 2008)
Ophthalmology
Glaucomatous retinal nerve fibre layer defects may be identified in Stratus OCT images classified as normal. Acta Ophthalmol. 2008 Jun 17; Authors: Hougaard JL, Heijl A, Bengtsson B Purpose: We aimed to compare the retinal nerve fibre layer (RNFL) in different Stratus optical coherence tomography (OCT) images in glaucoma eyes with RNFL thickness values within normal limits. Methods: We studied the Stratus OCT high-resolution standard protocol for assessment of peripapillary ...
Uveitic macular oedema: correlation between optical coherence tomography patterns with visual acuity and fluorescein angiography.
NCBI HomePage (Jun 26 2008)
Ophthalmology
Uveitic macular oedema: correlation between optical coherence tomography patterns with visual acuity and fluorescein angiography. Br J Ophthalmol. 2008 Jul;92(7):922-7 Authors: Tran TH, de Smet MD, Bodaghi B, Fardeau C, Cassoux N, Lehoang P AIMS: (1) To associate optical coherence tomography (OCT) patterns with particular fluorescein angiography (FA) findings in uveitis patients with macular oedema. (2) To investigate the correlation between tomographic features and visual acuity (VA). (3) To determine ...
Optical coherence tomography: limits of the retinal-mapping program in age-related macular degeneration.
NCBI HomePage (Jun 26 2008)
Ophthalmology
Optical coherence tomography: limits of the retinal-mapping program in age-related macular degeneration. Br J Ophthalmol. 2008 Jul;92(7):933-5 Authors: Krebs I, Haas P, Zeiler F, Binder S AIM: The retinal-mapping program of Stratus optical coherence tomography (Carl Zeiss Meditec, Dublin, CA, USA) calculates the retinal volume of the central region between the retinal surface and the retinal pigment epithelium (RPE). This study evaluates the retinal-mapping program for studies dealing with AMD. ...
Projects aim to help detection
opticianonline.net (Jun 26 2008)
Ophthalmology
Projects aim to help detectionOptician Online, UK - 17 hours ago... Assessment programme, will investigate ways of improving screening for diabetic macular oedema with the use of optical coherence tomography (OCT). ...
Tracking retinal nerve fiber layer loss after optic neuritis: a prospective study using optical coherence tomography
Multiple Sclerosis (Jun 25 2008)
Ophthalmology
Introduction Optic neuritis causes retinal nerve fiber layer damage, which can be quantified with optical coherence tomography. Optical coherence tomography may be used to track nerve fiber layer changes and to establish a time-dependent relationship between retinal nerve fiber layer thickness and visual function after optic neuritis. Methods This prospective case series included 78 patients with optic neuritis, who underwent optical coherence tomography and visual testing over a mean period ...
Retinal nerve fiber layer atrophy is associated with physical and cognitive disability in multiple sclerosis.
NCBI HomePage (Jun 25 2008)
Ophthalmology
Retinal nerve fiber layer atrophy is associated with physical and cognitive disability in multiple sclerosis. Mult Scler. 2008 Jun 23; Authors: Toledo J, Sepulcre J, Salinas-Alaman A, García-Layana A, Murie M, Bejarano B, Villoslada P Background Studying axonal loss in the retina is a promising biomarker for multiple sclerosis (MS). Our aim was to compare optical coherence tomography (OCT) and Heidelberg retinal tomography (HRT) techniques to measure the thickness of ...
Tracking retinal nerve fiber layer loss after optic neuritis: a prospective study using optical coherence tomography.
NCBI HomePage (Jun 25 2008)
Ophthalmology
Tracking retinal nerve fiber layer loss after optic neuritis: a prospective study using optical coherence tomography. Mult Scler. 2008 Jun 23; Authors: Costello F, Hodge W, Pan Y, Eggenberger E, Coupland S, Kardon RH Introduction Optic neuritis causes retinal nerve fiber layer damage, which can be quantified with optical coherence tomography. Optical coherence tomography may be used to track nerve fiber layer changes and to establish a time-dependent relationship between ...
Quantitative Subanalysis of Optical Coherence Tomography ...
iovs.org (Jun 25 2008)
Ophthalmology
PURPOSE. To investigate the effects of ranibizumab on retinal morphology in patients with neovascular age-related macular degeneration (AMD) using optical coherence tomography (OCT) quantitative subanalysis. METHODS. Data from 95 patients receiving intravitreal ranibizumab for neovascular AMD were collected. StratusOCT images were analyzed using custom software that allows precise positioning of prespecified boundaries on every B-scan. Changes in thickness/volume of the retina, subretinal fluid (SRF), subretinal tissue (SRT), and pigment epithelial ...
New technology diagnoses macular degeneration in early stages
KDRV 12 (Jun 25 2008)
Ophthalmology
Optical Coherence Tomography, or OCT, is an imaging technique that produces microscopic pictures which allow doctors to diagnose problems at the cellular ...
Mapping Standard Automated Perimetry to the Peripapillary Retinal Nerve Fiber Layer in Glaucoma
iovs.org (Jun 24 2008)
Ophthalmology
purpose. To establish a map relating visual field (VF) test points to corresponding areas of the retinal nerve fiber layer (RNFL) measured with optical coherence tomography (OCT) in patients with glaucomatous optic neuropathy. methods. One hundred four consecutive subjects with open-angle glaucoma were prospectively selected. All subjects underwent standard automated perimetry (SAP) and imaging with OCT. Factor analyses of the mean thresholds for the SAP test points were performed, independently ...
Morphologic Changes in Patients with Geographic Atrophy Assessed with a Novel Spectral Oct-slo Combination
iovs.org (Jun 24 2008)
Ophthalmology
purpose. To investigate the appearance of geographic atrophy in high-resolution optical coherence tomography (OCT) images, the fundus autofluorescence (FAF) pattern, and infrared images simultaneously recorded with a novel combined OCT-scanning laser ophthalmology (SLO) system. methods. Patients aged over 50 years with geographic atrophy secondary to dry age-related macular degeneration (ARMD) were assessed in a prospective cross-sectional study by means of simultaneous spectral OCT-SLO (Spectralis HRA+OCT; Heidelberg Engineering, Heidelberg, Germany). The ...
Evidence of Retinal Function Using Microperimetry following Autologous Retinal Pigment Epithelium-Choroid Graft in Macular Dystrophy
iovs.org (Jun 24 2008)
Ophthalmology
purpose. To describe the outcomes of autologous retinal pigment epithelium (RPE)-choroid graft in macular dystrophy. methods. In this prospective interventional case series, five patients with macular dystrophy were enrolled to undergo autologous RPE-choroid patch graft between August 2005 and January 2007. All patients received preoperative and postoperative evaluations including visual acuity, contrast sensitivity, reading ability, microperimetry, fluorescein angiography, indocyanine green angiography, fundus autofluorescence (AF) imaging, and optical coherence tomography (OCT). ...
Meridional differences in internal dimensions of the anterior segment in human eyes evaluated with 2 imaging systems.
NCBI HomePage (Jun 24 2008)
Ophthalmology
Meridional differences in internal dimensions of the anterior segment in human eyes evaluated with 2 imaging systems. J Cataract Refract Surg. 2008 Jul;34(7):1125-32 Authors: Werner L, Lovisolo C, Chew J, Tetz M, Müller M PURPOSE: To evaluate meridional differences in angle-to-angle (A-A) and sulcus-to-sulcus (S-S) dimensions in human eyes using very high frequency ultrasound (VHF US) and anterior segment optical coherence tomography (AS-OCT). SETTING: John A. Moran Eye Center, University ...
Retinal Blood Flow and Nerve Fiber Layer Measurements in Early-Stage Open-Angle Glaucoma.
NCBI HomePage (Jun 24 2008)
Ophthalmology
Retinal Blood Flow and Nerve Fiber Layer Measurements in Early-Stage Open-Angle Glaucoma. Am J Ophthalmol. 2008 Jun 19; Authors: Berisha F, Feke GT, Hirose T, McMeel JW, Pasquale LR PURPOSE: To evaluate the relationship between retinal circulatory abnormalities and retinal nerve fiber layer (RNFL) thinning in early-stage open-angle glaucoma (OAG) to help elucidate the mechanisms underlying the development of glaucomatous optic neuropathy. DESIGN: Prospective cross-sectional. METHODS: Twelve patients with early ...
Uveitic macular oedema: correlation between optical coherence tomography patterns with visual acuity and fluorescein angiography
BJO Online (Jun 23 2008)
Ophthalmology
Aims: (1) To associate optical coherence tomography (OCT) patterns with particular fluorescein angiography (FA) findings in uveitis patients with macular oedema. (2) To investigate the correlation between tomographic features and visual acuity (VA). (3) To determine the impact of OCT patterns on visual improvement over time. Methods: 129 eyes of 90 patients followed for uveitis with macular oedema and adequate media clarity were consecutively included from February to November 2004. ...
Optical coherence tomography: limits of the retinal-mapping program in age-related macular degeneration
BJO Online (Jun 23 2008)
Ophthalmology
Aim: The retinal-mapping program of Stratus optical coherence tomography (Carl Zeiss Meditec, Dublin, CA, USA) calculates the retinal volume of the central region between the retinal surface and the retinal pigment epithelium (RPE). This study evaluates the retinal-mapping program for studies dealing with AMD. Methods: The scans of both eyes of patients examined from August to October 2006 because of macular degeneration were evaluated retrospectively. Independent examiners tested whether the ...
Fourier-Domain Optical Coherence Tomography and Adaptive Optics Reveal Nerve Fiber Layer Loss and Photoreceptor Changes in a Patient With Optic Nerve Drusen.
Journal of Neuro (Jun 21 2008)
Ophthalmology
Page: 120DOI: 10.1097/WNO.0b013e318175c6f5Authors: Choi, Stacey S PhD; Zawadzki, Robert J PhD; Greiner, Mark A MD; Werner, John S PhD; Keltner, John L MD
Phase Contrast OCT Imaging of Transverse Flows in the Mouse Retina and Choroid.
NCBI HomePage (Jun 21 2008)
Ophthalmology
Phase Contrast OCT Imaging of Transverse Flows in the Mouse Retina and Choroid. Invest Ophthalmol Vis Sci. 2008 Jun 19; Authors: Fingler J, Readhead C, Schwartz D, Fraser SE Purpose: To test the hypothesis that a novel phase contrast optical coherence tomography (OCT) system can image retinal and choroidal vessels in the living mouse. Methods: A high speed spectral domain optical coherence tomography (SDOCT) system was developed for mouse retinal ...