نتایج جستجو برای: macular thickness

تعداد نتایج: 129821  

Journal: :Acta medica portuguesa 2015
Tatiana Queirós Cristina Freitas Sandra Guimarães

INTRODUCTION Optical coherence tomography is a technology that allows obtaining high resolution images of tissues in vivo, enabling the measurement of ocular structures, including the retinal nerve fiber layer and macular thickness. As a noninvasive test it's particularly useful in children, but its applicability is limited by the existence of normative values for adults only. PURPOSE To esta...

Journal: :Acta Endocrinologica (Bucharest) 2020

Journal: :Investigative ophthalmology & visual science 2011
Felix Treumer Nina Wacker Olaf Junge Jürgen Hedderich Johann Roider Jost Hillenkamp

PURPOSE To better understand the long-term effect of idiopathic epiretinal membrane peeling on retinal anatomy, the foveal structure and the thickness of individual retinal layers were analyzed with frequency-domain optical coherence tomography (fdOCT). The long-term postoperative course of macular thickness was followed. METHODS fdOCT scans were obtained from the horizontal midline in 33 eye...

2017
Shiqi Yang Minwen Zhou Bing Lu Pengfei Zhang Jingke Zhao Mei Kang Ruoshi Wang Fenghua Wang Xiaodong Sun

Purpose To quantify macular vascular density using optical coherence tomography angiography (OCTA) and to investigate its relationship with retinal thickness in myopic eyes of young adults. Methods In this cross-sectional study, 268 myopic eyes without pathological changes were recruited and divided into three groups: mild myopia (n = 81), moderate myopia (n = 117), and high myopia (n = 70). ...

Journal: :Investigative ophthalmology & visual science 2013
Konstantine Purtskhvanidze Felix Treumer Olaf Junge Jürgen Hedderich Johann Roider Jost Hillenkamp

PURPOSE To investigate the long-term effect of macular hole surgery, foveal structure and the thickness of retinal layers were analyzed with spectral-domain optical coherence tomography (SD-OCT). The long-term postoperative course of macular thickness and best-corrected visual acuity (BCVA) were followed. METHODS In a retrospective cohort study, SD-OCT scans were obtained from the horizontal ...

Journal: :Arquivos brasileiros de oftalmologia 2009
Leonardo Provetti Cunha Luciana Virginia Ferreira Costa-Cunha Roberto Freire Santiago Malta Mário Luiz Ribeiro Monteiro

PURPOSE To compare the optical coherence tomography retinal nerve fiber layer and macular thickness measurements for detection of progressive axonal loss following acute traumatic optic neuropathy in a longitudinal study. METHODS Three patients with unilateral traumatic optic neuropathy were evaluated sequentially after trauma. Macular and retinal nerve fiber layer thickness measurements were...

Journal: :Folia medica 2011
Vesela T Mitkova-Hristova Marieta I Konareva-Kostyaneva

AIM The aim of the present study was to measure macular thickness in healthy eyes and find whether it changes with age. MATERIAL AND METHODS We examined 163 healthy eyes of 84 healthy volunteers. In order to measure their macular thickness the patients were examined using spectral-domain optical coherent tomography (SD-OCT - iVue, Optovue). They were allocated into 6 age groups. RESULTS The...

2015
Stephen M. Holland David G. Dodwell Darrel A. Krimmel Christopher M. de Fiebre

BACKGROUND Optical coherence tomography has focused mainly on central subfield thickness to quantify macular edema in central and branch retinal vein occlusion. We examined macular fields other than the central subfield to determine if they are possibly independent indicators of recurrent macular edema. METHODS Single center, retrospective, consecutive case study of patients with recurrent ma...

Mansour Rahimi, Mohammad Banifatemi Seyed Sahabaldin Shahrzad

Background: Cystoid Macular Edema (CME) is one of the most common and sight threatening complications of uveitis. Intravitreal injection of corticosteroids and anti-VEGF antibody are two routine options for treatment. Objective: To compare the effects of intravitreal injections of Bevacizumab and Triamcinolone Acetonide for the treatment of persistent macular edema in non-infectious uveitis. Me...

2016
Divakar Gupta Sanjay Asrani

There is increasing literature regarding the role of macular imaging by optical coherence tomography (OCT) in glaucoma care. Spectral domain OCT (SD-OCT) has allowed for high resolution imaging of the total macula and macular segments. With the use of asymmetry analysis, macular thickness is a measurement that can be used for the detection and progression of glaucoma. Some artifacts seen on ret...

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