April 07, 2003
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In nondiabetics, hypertensive retinopathy more common in blacks than whites
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SINGAPORE — Hypertensive retinopathy is twice as frequent in African Americans without diabetes than in whites without diabetes, a large study found. In addition, the increased prevalence in blacks is associated with blood pressure levels and severity of hypertension, the study authors conclude.
Tien Yin Wong and colleagues studied 1,860 African Americans and 7,874 whites between the ages of 49 and 73, none of whom had diabetes. Retinal photographs were taken of one randomly selected eye and evaluated for the presence of retinopathy. The prevalence of retinopathy was two times higher in blacks than in whites.
The study is published in Hypertension.