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retinal changes due to prolonged administration of various drugs.
any noninflammatory disease of the retina; occurs in systemic disorders, e.g. nephritis, diabetes mellitus and in a number of poisonings in agricultural animals. Examples are poisoning by Astragalus, Oxytropis, Pteridium spp.
retinal manifestations of diabetes mellitus, including microaneurysms and punctate exudates, occur in dogs but are often obscured by cataract formation.
that associated with hypertension; seen in dogs and cats. There is sudden loss of vision, retinal hemorrhages and detachment, and sometimes glaucoma.
may occur with deficiency of vitamin A or E, or taurine.
retinal thinning, cyst formation, atrophy and fibrosis occur in aged dogs and horses.
see bright blindness.