PMID: 8587319Nov 1, 1995Paper

Pulverulent nuclear cataract in the Norwegian buhund

The Journal of Small Animal Practice
E Bjerkås, M B Haaland

Abstract

Pulverulent cataracts were diagnosed in 52 of 102 Norwegian buhunds, with both sexes being equally affected. All the dogs were otherwise considered clinically healthy. Initial lens changes were visible from six and a half weeks of age as small dots parallel to the suture lines behind the nucleus. Gradually, the opacities along the suture lines became more opaque until, by the age of four to five and a half years, they had progressed to involve the fetal nucleus which then resembled a ball of candy floss. The outer part, the adult nucleus, usually remained clear, and the cortex was not involved. The ages of the dogs in the present study ranged from three and a half weeks to 12 years at first examination. An outcross of an affected bitch to a mixed-breed dog resulted in three puppies, of which two were affected. The retinas could be evaluated in all the examined dogs, and revealed no abnormalities except for one case of focal retinopathy. In addition to the pulverulent cataracts, 10 cases of cortical cataracts were diagnosed, three of which also had pulverulent cataracts. Based on the pedigrees, an autosomal dominant mode of inheritance with a high degree of penetrance is suggested for pulverulent cataract.

References

Jun 1, 1990·Experimental Eye Research·J S Zigler
Apr 1, 1989·Acta Ophthalmologica·E MarnerH Eiberg
May 1, 1994·Ophthalmology·M H ScottM I Kaiser-Kupfer
Jul 5, 2007·Journal of Lipid Research·Barbara P AtshavesFriedhelm Schroeder

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Citations

Aug 11, 2004·The Veterinary Journal·K KetteritzschO Distl
Mar 1, 2005·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·J T H N de FaberW Schaftenaar
Aug 31, 2006·Veterinary Ophthalmology·Christine L HeinrichKeith C Barnett
Jan 4, 2017·Veterinary Ophthalmology·Elin KristiansenErnst-Otto Ropstad
Jul 5, 2005·Journal of the American Animal Hospital Association·Elizabeth A Adkins, Diane V H Hendrix
Mar 19, 2003·Veterinary Ophthalmology·Kirk N GelattDon A Samuelson

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