Studies: Refractive Errors Most Common Vision Problems In Children.

Medscape  (10/11, Waknine) reports, "About 4% of preschoolers have myopia, 21% have hyperopia, and 10% have astigmatism, according to data from two studies supported by the National Institutes of Health and published in the October issue of Ophthalmology." According to the studies, "refractive errors, such as myopia, hyperopia, and astigmatism, are the most common vision problems in children and are correctable with eyeglasses." The first study  was performed by researchers from the Doheny Eye Institute and the Department of Ophthalmology, Keck School of Medicine, University of Southern California-Los Angeles, and the Division of Ophthalmology, Children's Hospital Los Angeles. The second study  was conducted by investigators from the Doheny Eye Institute.