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KMID : 0360220100510091217
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Journal of the Korean Ophthalmological Society
2010 Volume.51 No. 9 p.1217 ~ p.1223
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Comparison of Electroretinogram Waveforms Acquired Using Monopolar ERG-Jet Electrode and Bipolar Burian-Allen Electrode
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Park Ji-Hyun
Lee Ho-kyung
Park Sung-Joon
Kim Yoon-Hwa
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Abstract
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Purpose: To compare electroretinogram (ERG) waveforms acquired using an ERG-jet electrode and a Burian-Allen electrode.
Methods: ERGs were recorded with an ERG-jet electrode and a Burian-Allen electrode from both eyes of 29 volunteers. Three consecutive recordings were obtained with both electrodes from the left eye of another 6 volunteers. Peak-to-trough amplitudes and peak implicit times were compared between both eyes, and between the 2 types of electrodes. Interpersonal and intrapersonal variation were also compared.
Results: The differences in amplitude and implicit time between the right and left eyes were not influenced by the type of electrode. The amplitude of the ERG acquired using the Burian-Allen electrode, however, showed significant differences between both eyes, contrary to the amplitude acquired using the ERG-jet electrode. ERG recordings obtained using the ERG-jet electrode generally showed higher amplitude, shorter implicit time, and less interpersonal and intrapersonal variation than ERG recordings obtained using the Burian-Allen electrode.
Conclusions: In this application, the ERG-jet ERG electrode appeared to be superior to the Burian-Allen electrode in terms of both usefulness and consistency.
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KEYWORD
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Burian-Allen electrode, Electroretinogram, ERG-Jet electrode
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