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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References in periodicals archive ?
Long-term effect of laser-induced ocular hypertension on the cone electroretinogram and central macular thickness in monkeys.
Use of the multifocal electroretinogram in the evaluation of a patient with central areolar choroidal dystrophy Am J Ophthalmol.
We will also review the line of research focusing on the visual system, particularly involving the electroretinogram since it appears to be a cost-effective peripheral marker of dopamine dysfunction among cocaine-dependent patients.
Retinal function remained steady and normal with a less than 15 percent decrease in electroretinogram response.
At the annual meeting of the Association for Research in Vision and Ophthalmology in May, Collier showed electroretinograms indicating that the transplanted cells, like normal photoreceptors, conduct waves of electrical potentials in response to light.
Morphological and functional analyses of diabetic macular edema by optic coherence tomography (OCT) and multifocal electroretinograms (mfERG) were performed to correlate retinal structural changes with retinal function.
Electroretinograms from lobsters with greater than 15% damage indicated that retinal responses were reduced both in maximal response (Vmax) at the brightest light intensity and in percent maximum response over the V-log I response curve.
The patients had electroretinograms, which are sophisticated, objective tests of visual function, at six months and at one year after enrolling in the study.
Visual sensitivity was monitored using a technique that allowed us to record electroretinograms (ERGs) from animals that were free to move, and thus express locomotion rhythms, while we also manipulated the light/dark (LD) cycles.
For research purposes, laboratory techniques such as visual evoked potentials (VEPs), electroretinograms, and optokinetic nystagmus (OKN) can, and have, been used to study visual development.