1. Hereditary cataracts
Source dated 2018Autosomal recessive inheritance identified in Russian Blues. Mild-to-severe bilateral cataracts observed in ~33% of examined cats in a 66-cat study. Appearance ranges from small Y-shaped opacities causing no visual impairment to extensive lesions with blindness. Specific gene not yet identified; DNA test under development.
Source: https://journals.sagepub.com/doi/10.1177/1098612X17752197