Health

The myopia epidemic!

Gene ExpressionBy Razib KhanDec 18, 2009 3:10 AM

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Increased Prevalence of Myopia in the United States Between 1971-1972 and 1999-2004:

Results Using the 1971-1972 method, the estimated prevalence of myopia in persons aged 12 to 54 years was significantly higher in 1999-2004 than in 1971-1972 (41.6% vs 25.0%, respectively; P < .001). Prevalence estimates were higher in 1999-2004 than in 1971-1972 for black individuals (33.5% vs 13.0%, respectively; P < .001) and white individuals (43.0% vs 26.3%, respectively; P -2.0 diopters [D]: 17.5% vs 13.4%, respectively [P -7.9 D: 22.4% vs 11.4%, respectively [P < .001]; -7.9 D: 1.6% vs 0.2%, respectively [P < .001]). Conclusions When using similar methods for each period, the prevalence of myopia in the United States appears to be substantially higher in 1999-2004 than 30 years earlier. Identifying modifiable risk factors for myopia could lead to the development of cost-effective interventional strategies.

Here are some tables:

Citation: Susan Vitale; Robert D. Sperduto; Frederick L. Ferris, III, Increased Prevalence of Myopia in the United States Between 1971-1972 and 1999-2004, Arch Ophthalmol. 2009;127(12):1632-1639.

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