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Journal of Veterinary Medical Science

Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250

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Incidence of Canine Glaucoma with Goniodysplasia in Japan : A Retrospective Study

Kumiko KATO, Nobuo SASAKI, Satoru MATSUNAGA, Ryohei NISHIMURA, Hiroyuki OGAWA

Author information

Kumiko KATO
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo
Nobuo SASAKI
Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo
Satoru MATSUNAGA
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo
Ryohei NISHIMURA
Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo
Hiroyuki OGAWA
Laboratory of Veterinary Emergency Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo

Corresponding author

Keywords: canine, glaucoma, gonioscopy, incidence, ophthalmologic examination

JOURNAL FREE ACCESS

2006 Volume 68 Issue 8 Pages 853-858

DOI https://doi.org/10.1292/jvms.68.853

Details

Published: 2006 Received: July 20, 2005 Available on J-STAGE: September 05, 2006 Accepted: April 20, 2006 Advance online publication: - Revised: -

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Article overview

Abstract

The incidence of primary and secondary glaucoma in dogs was investigated. A total of 1244 dogs received ophthalmologic examinations, including tonometry and gonioscopy. Goniophotographs were taken using a goniolens to evaluate the iridocorneal angle (ICA) as well as pectinate ligament (PL). The anterior width of the ciliary cleft and the total distance from the origin of the PL to the anterior corneal surface were measured from the goniophotographs. Glaucoma was diagnosed based on the cupping of the optic nerve head, clinical signs, ocular changes, and high IOP, and it was synchronized with gonioscopic grades to differentiate between primary and secondary glaucoma. We investigated 1244 dogs of 29 breeds, including the mixed breed; among these, glaucoma was diagnosed in 127 dogs (162 eyes). Of 162 eyes, primary glaucoma was diagnosed in 129 eyes and secondary glaucoma in 33 eyes. Shiba Inu dogs (42 dogs, 33%) showed the highest incidence of glaucoma, followed by Shih-Tzu (21 dogs, 16.5%). Furthermore, all the glaucomatous Shiba Inu dogs had primary glaucoma with abnormal ICA grades and dysplastic PLs. The findings of our study reveal that the Shiba Inu breed in Japan may have a hereditary predisposition to glaucoma.

References (29)

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