Results 11 to 20 of about 19,050 (176)

Flash Electroretinography as a Measure of Retinal Function in Myopia and Hyperopia: A Systematic Review

open access: yesVision, 2023
Refractive errors (myopia and hyperopia) are the most common visual disorders and are severe risk factors for secondary ocular pathologies. The development of refractive errors has been shown to be associated with changes in ocular axial length ...
Sania Zahra   +3 more
doaj   +1 more source

Enhancing Electroretinogram Classification with Multi-Wavelet Analysis and Visual Transformer

open access: yesSensors, 2023
The electroretinogram (ERG) is a clinical test that records the retina’s electrical response to light. Analysis of the ERG signal offers a promising way to study different retinal diseases and disorders.
Mikhail Kulyabin   +5 more
doaj   +1 more source

Descriptive study of patients with nonsyndromic retinitis pigmentosa

open access: yesDelta Journal of Ophthalmology, 2023
Purpose The aim of this study was to describe the demographic and clinical characteristics of a large cohort of patients with retinitis pigmentosa (RP) in Egypt.
Caroline A Tawfik   +3 more
doaj   +1 more source

Preventive Efficacy of an Antioxidant Compound on Blood Retinal Barrier Breakdown and Visual Dysfunction in Streptozotocin-Induced Diabetic Rats

open access: yesFrontiers in Pharmacology, 2022
In diabetic retinopathy (DR), high blood glucose drives chronic oxidative stress and inflammation that trigger alterations of the neurovascular balance finally resulting in vascular abnormalities and retinal cell death, which converge towards altered ...
Alessio Canovai   +8 more
doaj   +1 more source

The multifocal pattern electroretinogram in chloroquine retinopathy [PDF]

open access: yes, 2004
Purpose: Optimal screening for ocular toxicity caused by chloroquine and hydroxychloroquine is still controversial. With the multifocal pattern electroretinogram (mfPERG), a new electrophysiological technique has recently become available to detect early
Stiefelmeyer, S.   +4 more
core   +1 more source

A novel gene mutation in a family with X-linked retinoschisis

open access: yesJournal of the Formosan Medical Association, 2015
To describe the clinical characteristics of a Taiwanese family with X-linked retinoschisis (XLRS) and to investigate the molecular genetics of a novel mutation in the retinoschisin 1 (RS1) gene.
Yu-Hung Lai   +7 more
doaj   +1 more source

The rabbits retina functional state after exposure to low-frequency ultrasound: electroretinogram indicators analysis

open access: yesRUDN Journal of Medicine, 2022
Relevance. Currently, several groups of scientists are working on the implementation of low-frequency ultrasound in surgery of the retina and vitreous body.
Aleksander S. Vafiev
doaj   +1 more source

Electrogenesis of Retina and Optic Nerve after Vitrectomy for the Primary Full-Thickness Macular Hole

open access: yesOftalʹmologiâ, 2019
Purpose. To study the dynamics of electrophysiological parameters of the retina and optic nerve after vitrectomy for a primary fullthickness macular hole. Patients and Methods.
A. N. Kulikov   +3 more
doaj   +1 more source

High correlation of scotopic and photopic electroretinogram components with severity of central retinal artery occlusion [PDF]

open access: yes, 2011
Celso S Matsumoto1,2, Kei Shinoda1, Kazuo Nakatsuka21Department of Ophthalmology, Teikyo University School of Medicine, Tokyo, Japan; 2Department of Ophthalmology, Faculty of Medicine, Oita University, Oita, JapanPurpose: The aim of this study was to ...
Celso S Matsumoto   +4 more
core   +1 more source

Topographic mapping of retinal function with the SLO-mfERG under simultaneous control of fixation in Best's disease [PDF]

open access: yes, 2003
Purpose: To introduce the scanning laser ophthalmoscope-evoked mfERG (SLO-mfERG) as a new method to measure focal retinal function. Methods: Sixty-two healthy individuals and 12 patients with Best's disease were examined.
Kalpadakis, P., Rudolph, G.
core   +1 more source

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