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Dark adaptation time in canine electroretinography using a contact lens electrode with a built-in light source.

Maehara S, Itoh Y, Hoshino S, Hayashi M, Ito Y - J. Vet. Med. Sci. (2015)

Bottom Line: ERG was recorded at different time points during dark adaptation in sedated and light-adapted beagles.The stimulus intensity was 0.0096 cd/m(2)/sec.The b-wave amplitude increased significantly until 25 min of dark adaptation, whereas no significant changes in amplitudes were observed after 30 min.

View Article: PubMed Central - PubMed

Affiliation: Department of Small Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, 582 Bunkyodai-Midorimachi, Ebetsu, Hokkaido 069-8501, Japan.

ABSTRACT
The purpose of this study was to evaluate the dark adaptation time in canine electroretinography (ERG) using a contact lens electrode with a built-in LED. Twelve eyes of six normal laboratory beagle dogs were used and exposed to steady room light at 500 lux for 30 min for light adaption. ERG was recorded at different time points during dark adaptation in sedated and light-adapted beagles. The stimulus intensity was 0.0096 cd/m(2)/sec. The b-wave amplitude increased significantly until 25 min of dark adaptation, whereas no significant changes in amplitudes were observed after 30 min. Dark adaptation for more than 25 min would be necessary for accurate ERG in canine ERG using a contact lens electrode with a built-in LED.

No MeSH data available.


ERG waveform of each dark adaptation time recorded from one dog.
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fig_001: ERG waveform of each dark adaptation time recorded from one dog.

Mentions: ERG waveforms recorded for each time point during dark adaptation from one dog are shown inFig. 1Fig. 1.


Dark adaptation time in canine electroretinography using a contact lens electrode with a built-in light source.

Maehara S, Itoh Y, Hoshino S, Hayashi M, Ito Y - J. Vet. Med. Sci. (2015)

ERG waveform of each dark adaptation time recorded from one dog.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4638308&req=5

fig_001: ERG waveform of each dark adaptation time recorded from one dog.
Mentions: ERG waveforms recorded for each time point during dark adaptation from one dog are shown inFig. 1Fig. 1.

Bottom Line: ERG was recorded at different time points during dark adaptation in sedated and light-adapted beagles.The stimulus intensity was 0.0096 cd/m(2)/sec.The b-wave amplitude increased significantly until 25 min of dark adaptation, whereas no significant changes in amplitudes were observed after 30 min.

View Article: PubMed Central - PubMed

Affiliation: Department of Small Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, 582 Bunkyodai-Midorimachi, Ebetsu, Hokkaido 069-8501, Japan.

ABSTRACT
The purpose of this study was to evaluate the dark adaptation time in canine electroretinography (ERG) using a contact lens electrode with a built-in LED. Twelve eyes of six normal laboratory beagle dogs were used and exposed to steady room light at 500 lux for 30 min for light adaption. ERG was recorded at different time points during dark adaptation in sedated and light-adapted beagles. The stimulus intensity was 0.0096 cd/m(2)/sec. The b-wave amplitude increased significantly until 25 min of dark adaptation, whereas no significant changes in amplitudes were observed after 30 min. Dark adaptation for more than 25 min would be necessary for accurate ERG in canine ERG using a contact lens electrode with a built-in LED.

No MeSH data available.