electroretinogram


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electroretinogram

[i¦lek·trō′ret·ən·ə‚gram]
(medicine)
A graphic recording of the electric discharges of the retina. Abbreviated ERG.
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Blue cone electroretinogram amplitudes are related to dopamine function in cocaine-dependent patients.
Abbreviations: ERG = electroretinogram, FDA = Food and Drug Administration, GABA = gamma-aminobutyric acid, INL = inner nuclear layer, IPL = inner plexiform layer, IrOx = iridium oxide, MPA = microphotodiode array, Pt = platinum, RP = retinitis pigmentosa.
To verify the physiologic changes associated with vision loss in the ND4 mice retina, the investigators also recorded and compared pattern electroretinogram (PERG) findings between affected mice and controls.
RET eval is the world's first non-mydriatic, non-invasive hand-held, full function ISCEV protocol-compliant visual electrophysiology device performing both flash Electroretinogram (ERG) and flash visual evoked potential (VEP) testing using skin or corneal electrodes.
The research, led by Mitra Sehi and David Greenfield was based on the knowledge that retinal ganglion cells (RGCs) become dysfunctional as glaucoma progresses and that such changes can be measured using the pattern electroretinogram optimized for glaucoma screening (PERGLA).
Alteration of the visual evoked potential and the electroretinogram in lead-treated monkeys.
The conditions are diagnosed by observation of the retina with an opththalmoscope, determination of visual acuity and visual fields, and most importantly by an electroretinogram.
Approximately four hours after subjects were given either ACU-4429 or placebo, and following pupil dilation and dark adaptation, electroretinogram (ERG) measurements were recorded at multiple time points after three minutes of exposure to a bright, bleaching light.
The electroretinogram (ERG) and cortical pattern visual evoked potentials (VEPs) have long been recommended investigations, (16) but electrophysiology is still not routine in many centres.
A simple EKG-like recording of retinal neuronal activity called a pattern electroretinogram (PERG) was used and appears to have biological diagnostic potential in ADHD.
The ophthalmoscopy and the electroretinogram (ERG) also confirmed the beneficial effects of Pycnogenol.