Cataract in the UK Leonberger population |
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| Authors: | Heinrich Christine L Lakhani Ken H Featherstone Heidi J Barnett Keith C |
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| Institution: | Comparative Ophthalmology Unit, Center of Small Animal Studies, Animal Health Trust, Newmarket, Suffolk, UK. c.l.h@tesco.net |
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| Abstract: | OBJECTIVE: To survey the Leonberger, a numerically small breed in the UK, for the presence of cataract and find statistical support for the possible presence of inherited forms of cataract. METHODS: Ocular examinations were carried out by the first author between September 1996 and September 1998 on 211 Leonbergers; results of the ocular examination of further 228 Leonbergers examined between January 1990 and September 1998 by members of the British Veterinary Association/KC/ISDS eye scheme (BVA/KC/ISDS eye scheme) panel were analyzed. Data from all dogs examined were pooled in a composite database of 365 Leonbergers and the relationships between offspring and parents for the identified forms of cataract were examined with appropriate statistical methods. RESULTS: Cataracts were diagnosed in 90 Leonbergers, the majority being nuclear (40) or posterior polar subcapsular (31). A subgroup of nuclear cataracts, diagnosed in 11 dogs, is described and named as 'posterior nuclear cataract.' For posterior polar cataract, a positive association between offspring and parents was made in the logistic regression model, supporting the suggestion of inheritance. CONCLUSIONS: The presence of several types of cataract in the UK Leonberger population is described. Statistical support for the inheritance of posterior polar subcapsular cataract is given. |
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| Keywords: | cataract inherited Leonberger |
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