نتایج جستجو برای: cirrus hd

تعداد نتایج: 21322  

2012
Jong Yeon Lee Young Hoon Hwang Sun Min Lee Yong Yeon Kim

PURPOSE To evaluate the association between age and peripapillary retinal nerve fiber layer (RNFL) thickness measured by Cirrus high-definition (HD) spectral domain optical coherence tomography (OCT) in healthy Korean subjects. METHODS A total of 302 eyes from 155 healthy Korean subjects (age range, 20 to 79 years) underwent RNFL thickness measurements using the Cirrus HD-OCT. Average, quadra...

2016
Rune Brautaset Ulrika Birkeldh Petra Frehr Alstig Petra Wikén Maria Nilsson Daniel L Rubin

BACKGROUND Optical coherence tomography (OCT), can be used in clinical practice to provide high resolution cross-sectional images of the retina, optic disc and macula structure. These measurements can be useful for early detection, diagnosis, monitoring and treatment guidance for retinal diseases. Therefore, repeatability of measurements in OCT is of great importance. METHODS Macula and optic...

Journal: :Scientific Reports 2021

Abstract To evaluate the role of corneal hysteresis (CH) as a risk factor for progressive ONH surface depression and RNFL thinning measured by confocal scanning laser ophthalmoscopy (CSLO) spectral-domain optical coherence tomography (SD-OCT), respectively in glaucoma patients. Prospective study. A total 146 eyes 90 patients with were recruited consecutively. The CH measurements acquired at bas...

2017
Neelam Pawar Devendra Maheshwari Meenakshi Ravindran Renagappa Ramakrishnan

PURPOSE To determine interocular differences in the retinal nerve fiber layer (RNFL) and optic nerve head (ONH) parameters in a pediatric population using Cirrus high-definition optical coherence tomography (HD-OCT). METHODS Seventy normal Indian children aged 5-17 years presenting to the Pediatric Clinic were included in this observational cross-sectional study. All subjects underwent a comp...

Journal: :Retina 2014
James C Major Charles C Wykoff Angeline F Mariani Eric Chen Daniel E Croft David M Brown

PURPOSE To compare the sensitivity of commonly used time-domain (TD-OCT) and spectral-domain optical coherence tomography platforms and scanning modalities in the management of neovascular age-related macular degeneration in a population with a high prevalence of exudative disease activity. METHODS Fifty consecutive patients within the prospective SAVE (Super-dose Anti-Vascular Endothelial gr...

2013
Victoria de Rojas Isabel López Jose na Pombo María López Alejandra Gómez

METHODS: Retrospective study which included patients examined using AS-OCT (HD-Cirrus) between June and December 2011. e following information was obtained: diagnosis, surgical procedure, AS-OCT image usefulness/quality, biomicroscopy photographs. Cases were classi ed into the following groups: 1. e AS-OCT provided a satisfactory image and provided additional information to that obtained by bio...

2015
Joshua S. Hardin Giovanni Taibbi Seth C. Nelson Diana Chao Gianmarco Vizzeri

Spectral-domain OCT is an established tool to assist clinicians in detecting glaucoma and monitor disease progression. The widespread use of this imaging modality is due, at least in part, to continuous hardware and software advancements. However, recent evidence indicates that OCT scan artifacts are frequently encountered in clinical practice. Poor image quality invariably challenges the inter...

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