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Effects of Stimulus Intensity for Electroretinogram in Conscious Miniature Schnauzers

Cited 2 time in Web of Science Cited 2 time in Scopus
Authors
Kim, Hyun-Ah; Jeong, Man-Bok; Yi, Na Young; Park, Shin-Ae; Kim, Won-Tae; Kim, Se-Eun; Chae, Je-Min; Seo, Kangmoon
Issue Date
2008
Publisher
Japanese Society of Veterinary Science
Citation
J. Vet. Med. Sci. 70: 857-859
Keywords
canineelectroretinogramstimulus intensity
Abstract
The aim of this study was to determine the most effective light intensity for flash electroretinogram (ERG) examination in
conscious dogs using ERG equipment with a contact lens electrode with a built-in LED light source. ERG was performed on the bilateral
eyes of ten clinically healthy Miniature Schnauzers at 6 different intensities (0.025, 0.079, 0.25, 0.79, 2.5 and 7.9 cd⋅s/m2) after dark
adaptation for 20 min. With the increase in stimulus intensity, the most significant increase in a and b-wave amplitudes were observed
at 2.5 cd⋅s/m2 (p<0.05). As the intensity of light was increased, the implicit times of both waves significantly decreased. Therefore, the
most effective intensity of stimulus was 2.5 cd⋅s/m2 in the conscious Miniature Schnauzers. This suggests that this procedure would be
applicable for evaluation of retinal function in conscious dogs, especially in high-risk patients.
ISSN
0916-7250 (print)
1347-7439 (online)
Language
English
URI
http://hdl.handle.net/10371/7903
DOI
https://doi.org/10.1292/jvms.70.857
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College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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