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Article
March 1976

Fluorophotometry and the Rate of Aqueous Flow in ManI. Instrumentation and Normal Values

Author Affiliations

From the Combined Program in Ophthalmology, University of Alabama and the Eye Foundation Hospital, Birmingham, Ala.

Arch Ophthalmol. 1976;94(3):435-443. doi:10.1001/archopht.1976.03910030211008
Abstract

• A new objective fluorophotometer, based on a previous model but with changes in electronic circuitry, was designed and built. The fluorometric method was applied to 38 normal eyes to obtain the aqueous outflow rate and fluorescein decay constant. Aqueous outflow rate has a direct correlation with the anterior chamber depth and an inverse correlation with age. The aqueous flow rate is higher in whites than in blacks, but in our sample, mean pressure was lower in whites. Acetazolamide decreases the aqueous flow rate and the fluorescein constant; the mean decrease in 10 eyes of 5 patients was approximately 38% and 22%, respectively. Fluorophotometry gives a higher value for the aqueous outflow rate than that calculated by tonography.

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