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Light-emitting diodes and half-cell electrodes in experimental recording of electroretinogram c-wave

✍ Scribed by Marko Hawlina1; Peter L. G. Villiers

Publisher: Springer-Verlag
Year: 1992
Tongue: English
Weight: 458 KB
Volume: 81
Category: Article
ISSN: 0012-4486
DOI: 10.1007/bf00156012

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✦ Synopsis

A method of electroretinogram c-wave recording in the rat was developed that uses a contact lens electrode connected through a saline bridge with a silver-silver chloride half-cell. A cluster of light-emitting diodes, regulated by an electronic light-emitting diode stimulator, was used as a light source. The method enables recordings of c-waves of 0.4-1.6 mV amplitude as well as other electroretinogram components in narrow limits of variation. The two main sources of response variability are voltage shunting and eyeball protrusion.

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