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Congenital hereditary cataract in Cocker Spaniels |
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| Authors: | H P Olesen O A Jensen M S Norn |
| Institution: | The Small Animal Clinic, Royal Veterinary and Agricultural University, Copenhagen, Denmark, the Eye Pathology Institute, University of Copenhagen, Denmark, and the Department of Ophthalmology, Kommunehospitalet, Copenhagen, Denmark |
| Abstract: | Cases of congenital cataract in red Cocker Spaniels are reported. The investigation comprised clinical, histological and genetic studies. The common feature was bilateral, congenital, partial cataract of non-progressive nature. Typically the cataract was localized subcapsularly at the anterior pole of the lens. In some cases it was of a more diffuse extent. In a few cases the cataract co-existed with persisting pupillary membrane, microphthalmia, hypotonia and rotatory nystagmus. Histopathological examination of affected eyes confirmed the clinical findings. The disease appears to be of hereditary nature. The genetic studies on the condition in this breed of dogs showed that the mode of inheritance is presumably complex. |
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