Prevalence of High Astigmatism, Eyeglass Wear, and Poor Visual Acuity Among Native American Grade School Children

Purpose. The purpose of this study was to examine the prevalence of astigmatism and poor visual acuity and rate of eyeglass wear in grade school children who are members of a Native American tribe reported to have a high prevalence of large amounts of astigmatism. Methods. Vision screening was conducted on 1,327 first through eighth grade children attending school on the Tohono O’odham Reservation. Noncycloplegic autorefraction was conducted on...