Experimental eye research · 1984
Ocular blood flow in phakic and aphakic monkey eyes.
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Caprioli J, Sears M, Mead A
Аннотация
Alterations in regional ocular blood flow produced by topical epinephrine were studied in phakic and aphakic eyes of Macaca arctoides using the radioactive microsphere technique. Three isotopes were used to make sequential blood flow measurements just prior to topical epinephrine administration, 1 hr later and 3 hr later. Significant reductions of flow were found in the iris, ciliary body, and optic nerve head of both phakic and aphakic groups. Choroidal and posterior optic nerve flow decreased significantly in aphakic eyes only. Decreases in flow were flow decreased significantly in aphakic eyes only. Decreases in flow were maximal at 3 hr. Significant changes in retinal flow were not detected. The implications of these findings regarding epinephrine-induced aphakic cystoid macular edema and the suitability of epinephrine or its derivatives in the treatment of glaucoma are discussed.