Abstract
Pattern evoked potentials were recorded simultaneously with an electrode placed on the skin of the lower eyelid, gold foil electrodes hooked on the right and left eyelids, and a skin electrode at Oz in normal subjects and in patients with optic nerve and macular diseases. Peak latencies and amplitudes of the pattern electroretinogram (PERG) were compared between the two electrodes.
In both records, the peak latency showed no difference at 56.7 ± 2.9ms (mean ± S.D.), while the amplitude of the PERG with the lid skin electrode was at 1.2 ± 0.3 μV, approximately one-third of that obtained with the gold foil electrode.
Although the skin electrode did not always record responses as well as the gold foil, its advantages recommend its use in clinical cases.
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Kakisu, Y., Mizota, A. & Adachi, E. Clinical application of the pattern electroretinogram with lid skin electrode. Doc Ophthalmol 63, 187–194 (1986). https://doi.org/10.1007/BF00157130
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DOI: https://doi.org/10.1007/BF00157130