Measurement of visual acuity in Beagle dog by visual evoked potential with pattern stimulation

We tried measurement of visual acuity in laboratory beagle using pattern stimulus visual evoked potential (P-VEP). We recorded P-VEP in 6 beagles which were corrected refractive power. The stimulus pattern size was 1.22 mm. The testing distance were 0.5, 1.0, and 2.0 m. The visual angles and spatial...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2018, Vol.80(11), pp.1758-1761
Main Authors: MAEHARA, Seiya, ITOH, Yoshiki, ITO, Yosuke, HAYASHI, Miri, MASUKO, Arisa
Format: Article
Language:English
Subjects:
Acuity
Animals
canine
Dogs - physiology
Evoked Potentials, Visual
Frequency dependence
Laboratories
Pattern Recognition, Visual
Surgery
Visual Acuity
visual evoked potential with pattern stimulation
Visual evoked potentials
Visual stimuli
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Summary:We tried measurement of visual acuity in laboratory beagle using pattern stimulus visual evoked potential (P-VEP). We recorded P-VEP in 6 beagles which were corrected refractive power. The stimulus pattern size was 1.22 mm. The testing distance were 0.5, 1.0, and 2.0 m. The visual angles and spatial frequency were calculated from stimulus pattern size and distance. In all subjects, P-VEP was clearly recorded in all testing distance, and this result means that the eye could recognized grid pattern on the stimulus monitor. When stimulus monitor was set up 2.0 m, spatial frequency was 14.29 cpd. From our results, it was founded that the visual acuity in laboratory beagle which was corrected refractive power was 14.29 cpd and more.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.18-0334