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Ophthalmology

Nitric oxide is probably involved in diabetic retinopathy progression

Published in Obesity and Diabetes Week, October 20th, 2003

Nitric oxide is probably involved in diabetic retinopathy progression.

"Abnormal nitric oxide (NO) synthesis has been implicated in the pathogenesis of diabetes mellitus. The aim of our study was to elucidate the relationship between the stages of diabetic retinopathy (DR) and the NO levels in aqueous humor and plasma. Using the chemiluminescence assay, we measured the concentrations of NO in aqueous humor and plasma samples obtained during intraocular surgery from 45 diabetic patients and 19 nondiabetic cataract patients," investigators in Taiwan reported.

"The patients with diabetes were classified into 4 groups: proliferative DR (PDR) with active...

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