نتایج جستجو برای: retinal thickness

تعداد نتایج: 185201  

2017
Jae Yon Won Mirinae Kim Young-Hoon Park

The aim of the study was to investigate the thickness and volume profiles of each retinal layer in postoperative patients with epiretinal membranes.Twenty-four patients who underwent pars plana vitrectomy with internal limiting membrane (ILM) peeling for epiretinal membrane were included. The best corrected visual acuity, thickness, and volume were recorded from the medical records through a re...

2016
Huan Xu Jian Yu Xiangmei Kong Xinghuai Sun Chunhui Jiang

To evaluate and compare macular microvasculature changes in eyes with primary open-angle glaucoma (POAG) to normal eyes, and to assess associations among the retinal microvasculature, neural structural damage, and visual field loss.Ninety-nine eyes (68 patients with POAG and 31 normal subjects) were enrolled in this study. Thirty-five eyes with early-stage glaucoma (EG), 33 eyes with advanced-s...

Journal: : 2023

Aim The aim of this study is to compare the choroidal, retinal, and peripapillary nerve fiber layer thickness patients diagnosed with hyperthyroidism but did not develop ophthalmopathy euthyroid patients.
 Material Methods: Thyroid stimulating hormone (TSH), freeT3 (fT3) freeT4 (fT4) tests were analyzed. Cases who came in symptoms had a TSH lower than 0.5 mu/L included study. Retinal (RT),...

2015
Raheleh Kafieh Hossein Rabbani Fedra Hajizadeh Michael D Abramoff Milan Sonka

This study was conducted to determine the thickness map of eleven retinal layers in normal subjects by spectral domain optical coherence tomography (SD-OCT) and evaluate their association with sex and age. Mean regional retinal thickness of 11 retinal layers was obtained by automatic three-dimensional diffusion map based method in 112 normal eyes of 76 Iranian subjects. We applied our previousl...

پایان نامه :دانشگاه آزاد اسلامی واحد علوم پزشکی تهران - دانشکده پزشکی 1390

هدف: در این مطالعه به بررسی الکترورتینوگرام در افراد مبتلا به retinal hemorrhage در کلینیک قدس طی بهمن 88 الی بهمن 89 پرداختیم. روش مطالعه: این مطالعه به صورت یک بررسی مشاهده ای (observational) توصیفی - تحلیلی (descriptive-analytical) مقطعی (cross-sectional) انجام شده است. حجم نمونه مورد بررسی در این مطالعه شامل دو گروه 25 نفری بود که یک گروه مبتلا به retinal hemorrhage بودند؛ ولی یک گروه نه ت...

Journal: :Retina 2013
Ahmad A Alwassia Mehreen Adhi Jason Y Zhang Caio V Regatieri Adeeb Al-Quthami Deeb Salem James G Fujimoto Jay S Duker

PURPOSE To measure choroidal thickness in patients manifesting an acute change in systemic arterial blood pressure using a portable spectral-domain optical coherence tomography device (iVue). METHODS Fifteen patients (15 eyes) undergoing cardiac exercise stress testing were scanned using a portable spectral-domain optical coherence tomography system (iVue). Two scan protocols were used: cross...

Journal: :Korean journal of ophthalmology : KJO 2005
Sang Won Yoon Won Ho Park Seung-Hee Baek Sang Mook Kong

This prospective study was performed to measure the macular and the peripapillary retinal nerve fiber layer (RNFL) thicknesses using optical coherence tomography (OCT) in patients with anisometropic amblyopia. Thirty-one patients with hyperopic anisometropic amblyopia were included. The macular retinal thickness and the peripapillary RNFL thickness were measured using OCT. The mean refractive e...

Journal: :Ophthalmology 2008
David J Browning Adam R Glassman Lloyd P Aiello Neil M Bressler Susan B Bressler Ronald P Danis Matthew D Davis Frederick L Ferris Suber S Huang Peter K Kaiser Craig Kollman Srinavas Sadda Ingrid U Scott Haijing Qin

OBJECTIVE To evaluate optical coherence tomography (OCT) measurements and methods of analysis of OCT data in studies of diabetic macular edema (DME). DESIGN Associations of pairs of OCT variables and results of 3 analysis methods using data from 2 studies of DME. PARTICIPANTS Two hundred sixty-three subjects from a study of modified Early Treatment of Diabetic Retinopathy Study (mETDRS) ver...

2017
Syunsuke Araki Atsushi Miki Katsutoshi Goto Tsutomu Yamashita Go Takizawa Kazuko Haruishi Yoshiaki Ieki Junichi Kiryu Kiyoshi Yaoeda

BACKGROUND To investigate macular retinal and choroidal thickness in amblyopic eyes compared to that in fellow and normal eyes using swept-source optical coherence tomography (SS-OCT). METHODS This study examined 31 patients with hyperopic anisometropic amblyopia (6.9 ± 3.8 years, mean ± standard deviation), 15 patients with strabismic amblyopia without anisometropia (7.9 ± 4.2 years), and 24...

Journal: :Investigative ophthalmology & visual science 2017
Olga Furashova Egbert Matthé

Purpose To investigate layer-by-layer changes in retinal thickness and reflectivity regarding the severity grade of acute retinal artery occlusion (RAO) using spectral-domain optical coherence tomography (SD-OCT). Methods This study is a retrospective, observational case-control series that took place in an institutional setting and included 148 eyes from 74 patients diagnosed with acute RAO ...

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