Examination of 14 aged chinchillas revealed a shallow orbit, a rudimentary nictitating membrane, a large cornea, a densely pigmented iris with a vertical slit pupil, and an anangiotic fundus with variable vascularization of the optic disc. Mean intraocular pressure was 18.5 /+- 5.75 standard deviation mmHg. Bilateral posterior cortical cataracts and asteroid hyalosis were observed in 2 animals.
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