Aqueous humour samples of 12 dogs which had undergone surgery for co-existent
cataract and ocularhypertension, were collected by anterior chamber centesis,
immediately before the corneal incision. Theantioxidant enzyme - catalase, was estimated
as an indirect measure of free-radical status of the aqueous humoursamples of the dogs
under study. Since aqueous humour value for catalase was not available, it was compared
tothe erythrocyte values, earlier reported in cataractous dogs, and was found very low.
Findings suggest thatoxidative changes were happening in the eyes of the present study,
resulting in generation of more free-radicals.Photo-oxidation would have resulted in
Sooryadas S. has completed his Ph.D. from Tamil Nadu Veterinary and Animal Sciences University. He ispresently an Assistant Pro
Veterinary Surgery in the Kerala Veterinary and Animal Sciences University.He had attended seven international and nine nationa
l symposia and
presented more than
fty papers. He haspublished more than 20 papers in national journals.
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