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OJVRTM
Online Journal of
Veterinary Research©
(Including
Medical and Laboratory Research)
Established
1994
ISSN
1328-925X
Volume 28(5):
288-292, 2024.
Pupillotonia in a Spitz
dog: A case report
Ali Asghar
Sarchahi
Clinical Sciences, School of Veterinary Medicine, Shiraz University,
Iran
Sarchahi
AA., Pupillotonia in a spitz
dog: A case report, Onl J Vet Res.,
28(5): 288-292, 2024. A eight year old female Spitz dog was referred
with signs of anisocoria. Clinical examinations revealed mydriasis in right eye. By pupillary light reflex, right pupil
had no response to strong light directed to either eye but left pupil had a
positive direct and indirect response to strong light. By ophthalmoscopic
examination, lens, vitreous, retinas and optic nerves were considered normal.
The eyelids, corneas and irides were also normal.
Intraocular pressures were within normal limits. We diagnosed parasympathetic
denervation of right iris sphincter muscle pupillotonia
confirmed by drop of 2% pilocarpine instilled in right eye where right
pupillary diameter equaled left eye.
Key words: anisocorea, dog, eye, japanese spitz, pupillotonia.
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