Peer-reviewed veterinary case report
How common is glaucoma with goniodysplasia in Japanese dogs
By Kato, Kumiko et al.·Published in The Journal of veterinary medical science·2006·Graduate School of Agricultural and Life Sciences, Japan·View original on PubMed →
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Original publication title: Incidence of canine glaucoma with goniodysplasia in Japan : a retrospective study.
- Species:
- dog
Plain-English summary
A study found that 127 dogs, including many Shiba Inu and Shih-Tzu breeds, were diagnosed with glaucoma, which can cause eye pain and vision loss. The Shiba Inu had the highest rates of this condition, with many showing signs of primary glaucoma linked to abnormal eye structures. Regular eye exams are crucial for early detection, especially in breeds prone to this issue. Treatment options typically include medications to lower eye pressure or surgery, depending on the severity.
People also search for: dog glaucoma symptoms · Shiba Inu eye problems · treatment for dog eye pressure
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.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/16953087/