Video | ERG
How to perform multifocal ERG and EOG using Neuro-ERG | Neurosoft webinar
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In this video, we will show you how to perform the multifocal ERG & EOG using Neurosoft digital system for ERG and visual EP study Neuro-ERG.
The clinical electrophysiologic testing of vision is intended for objective assessment of visual pathway starting from retina to cortex:
- electroretinography (ERG) β recording of electrical activity of retina (electroretinogram) generated in response to the light stimulus;
- visual evoked potentials (VEP) β study of the electrophysiological signals extracted from the electroencephalographic activity in the visual cortex recorded from the overlying scalp;
- electro-oculography (EOG) β recording of changes in electrical potential across the retinal pigment epithelium recorded during successive periods of light and dark adaptations.
These tests allow:
- diagnosing the disorders of retina and optic nerve at early stages;
- diagnosing the congenital blindness in infants within first few months;
- studying the retina at different disorders: perform diagnostics, make prognosis and control the pathological processes in it;
- estimating the degree of visual function impairment at visual cortex level;
- assessing the reversibility of changes in visual pathway required to perform target treatment.