نتایج جستجو برای: retinal nerve fiber layer thickness

تعداد نتایج: 700138  

Journal: :The Egyptian Journal of Neurology, Psychiatry and Neurosurgery 2022

Abstract Background Migraine is a common, chronic, multifactorial neurovascular disorder. It may result in hypoperfusion of other areas than the brain, as eye. lead to change retinal nerve fiber layers (RNFL) thickness and axonal loss even up severe damage eye structures, including retina with frequent headache attacks. This study aimed quantify RNFL which gives good idea about condition axons ...

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: :The British journal of ophthalmology 1997
D Poinoosawmy L Fontana J X Wu F W Fitzke R A Hitchings

AIMS Scanning laser polarimetry is a new technique allowing quantitative analysis of the retinal nerve fibre layer in vivo. This technique was employed to investigate the variation of the retinal nerve fibre layer thickness in a group of normal subjects of different ages and ethnic groups. METHODS 150 normal volunteers of different ages and ethnic groups were recruited for this study. Three c...

2016
Xiaoli Ma Yutong Chen Xianjie Liu Hong Ning

BACKGROUND Identifying and assessing retinal nerve fiber layer defects are important for diagnosing and managing glaucoma. We aimed to investigate the effect of refractive correction error on retinal nerve fiber layer (RNFL) thickness measured with Spectralis spectral-domain optical coherence tomography (SD-OCT). MATERIAL AND METHODS We included 68 participants: 32 healthy (normal) and 36 glauc...

Journal: :Investigative ophthalmology & visual science 2014
Peggy Auinger Mary Durbin Steven Feldon Mona Garvin Randy Kardon John Keltner Mark Kupersmith Patrick Sibony Kim Plumb Jui-Kai Wang John S Werner

PURPOSE Optical coherence tomography (OCT) has been used to investigate papilledema in single-site, mostly retrospective studies. We investigated whether spectral-domain OCT (SD-OCT), which provides thickness and volume measurements of the optic nerve head and retina, could reliably demonstrate structural changes due to papilledema in a prospective multisite clinical trial setting. METHODS At...

2014
Yoshiharu Toba Shigeki Machida Daijiro Kurosaka

Purpose. To compare the postoperative changes of the retinal nerve fiber layer (RNFL) thickness in patients with macular holes (MHs) treated with vitrectomy with indocyanine green- (ICG-), brilliant blue G- (BBG-), or triamcinolone acetonide- (TA-)assisted internal limiting membrane (ILM) peeling. Methods. Sixty-one eyes of 61 consecutive patients with MHs were studied. Each eye was randomly se...

2014
Elvan Yalcin Ozlem Balci

PURPOSE To evaluate whether there was a difference in peripapillary retinal nerve fiber layer (RNFL) and foveal thickness between amblyopic and normal individuals with optical coherence tomography. MATERIALS AND METHODS Sixty patients, 30 patients with hypermetropic anisometropic amblyopia and 30 normal emmetropic subjects, were enrolled in this study. The eyes of the participants were divide...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2011
Talat Mehmood Gondal Zaheer Uddin Aqil Qazi Ahmad Zeeshan Jamil Muhammad Hannan Jamil

OBJECTIVE To calculate the sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of measurements of the retinal nerve fiber layer using the Stratus optical coherence tomography in glaucoma subjects with visual field defects on achromatic perimetry as the gold standard. STUDY DESIGN Comparative cross-sectional. PLACE AND DURATION OF STUDY Outd...

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