نتایج جستجو برای: multifocal electroretinogram

تعداد نتایج: 12627  

Journal: :acta medica iranica 0
m. s. farahvash s. mohammadzadeh a. javadian a. mirshahi m. moradimogadam r. karkhaneh

data suggest that the multifocal electroretinography (mferg) may have a role in the assessment of patients with central retinal vein occlusion (crvo). to explore the mferg responses in patients with crvo. mferg responses were recorded at 61 discrete retinal locations from both eyes of 25 patients diagnosed with retinal vein occlusions within 3 weeks of onset. the latencies and amplitudes of ave...

2014
Marilita M Moschos Nikolaos S Gouliopoulos Christos Kalogeropoulos

PURPOSE Uveitis is the inflammation of the uveal tract, which usually also affects the retina and vitreous humor. The electrophysiological examination is an objective ocular examination that includes the electroretinogram, visual evoked potentials, the electrooculogram, the multifocal electroretinogram, and multifocal visual evoked potentials. Our aim is to review the literature of the use of t...

Journal: :Archives of Iranian medicine 2006
Mohammad-Sadegh Farahvash Shiva Mohammadzadeh

OBJECTIVE To explore the multifocal electroretinogram in patients with nonproliferative diabetic retinopathy with clinically-significant macular edema. METHODS Forty-one eyes with clinically significant macular edema were tested. The latencies and amplitudes of average responses of 5 eccentric rings from 0 to 26 degrees relative to the fixation point were compared with normal values obtained ...

Journal: :Saudi Journal of Ophthalmology 2013

Journal: :Investigative ophthalmology & visual science 1997
H Kawabata E Adachi-Usami

PURPOSE To investigate early changes of retinal function in myopic eyes, patients with various degrees of myopia underwent multifocal electroretinography (multifocal ERG). METHODS Thirty young patients (mean age, 26.1 years) were divided into three groups according to the degree of refractive error: emmetropia/low, medium, and high myopia. All groups were matched by sex and age. All subjects ...

Journal: :Investigative ophthalmology & visual science 1995
M Kondo Y Miyake M Horiguchi S Suzuki A Tanikawa

PURPOSE To compare the multifocal electroretinogram (ERG) system to conventional ganzfeld and focal ERGs obtained from patients with known retinal diseases to assess its clinical applicability. METHODS A multi-input system analysis was used to explore the field topography of ERG responses to local luminance modulation in patients with retinitis pigmentosa, pericentral pigmentary retinal dystr...

Journal: :Retina 2015
Christophe Chiquet Sylvie Berthemy-Pellet Joséphine Altayrac-Bethenod Florent Aptel José Labarere Jean-Louis Quesada Mathilde Gallice Matthieu Tonini Hafide Khayi Jean-Paul Romanet

PURPOSE To characterize multifocal electroretinogram parameters in patients with birdshot chorioretinopathy. METHODS Twenty-eight patients with birdshot chorioretinopathy consecutively included from 2006 to 2011 were matched to 27 healthy subjects for age, axial length, and lens status. Multifocal electroretinogram was prospectively evaluated using the Vision Monitor system. RESULTS Birdsho...

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