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Park, Lee, Park, and Kim: Comparison of Electroretinogram Waveforms Acquired Using Monopolar ERG-Jet Electrode and Bipolar Burian-Allen Electrode
Original Article
Journal of the Korean Ophthalmological Society

Journal of the Korean Ophthalmological Society 2010; 51(9): 1217-1223.

Published online: 30 September 2010

DOI: https://doi.org/10.3341/jkos.2010.51.9.1217

Comparison of Electroretinogram Waveforms Acquired Using Monopolar ERG-Jet Electrode and Bipolar Burian-Allen Electrode

Jihyun Park, MD, Hokyung Lee, MD, Sung Joon Park, MD, Yoon Hwa Kim

Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, Seoul, Korea.

Address reprint requests to Hokyung Lee, MD. Department of Ophthalmology, Kim's Eye Hospital, Konyang University College of Medicine, #156 Youngdeungpo-4th, Youngdeungpo-gu, Seoul 150-034, Korea. Tel: 82-2-2639-7777, Fax: 82-2-2677-9214, hokyung@kimeye.com

Received 29 March 2010       Accepted 17 May 2010

Copyright © 2010 The Korean Ophthalmological Society

Abstract

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.

Keywords: Burian-Allen electrode, Electroretinogram, ERG-Jet electrode

Figures and Tables

Figure 1
Burian-Allen electrode (A) and ERG-jet electrode (B).
jkos-51-1217-g001
Figure 2
Representative waveform of maximum combined response acquired from same eye of same person using Burian-Allen electrode(left) and ERG-jet electrode(right). The amplitudes of a and b wave acquired using ERG-jet electrode are higher.
jkos-51-1217-g002
Table 1
Comparison of the amplitude and the implicit time of each resoponse between right and left eye (N=29). p-value* by paired t-test
jkos-51-1217-i001
Table 2
Comparison of the amplitude and the implicit time of each response between Burian-Allen electrode and ERG-jet electrode(N=58). p-value* by paired t-test
jkos-51-1217-i002
Table 3
Interpersonal coefficients of variation (COV) (N=29)
jkos-51-1217-i003

*95% CI: 95% confidence interval.

Table 4
Intrapersonal coefficients of variation (COV)(N=6). p-value* by Wilcoxon signed rank test
jkos-51-1217-i004

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