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Prevalence of Vision Disorders by Racial and Ethnic Group among Children Participating in Head Start
Journal article   Peer reviewed

Prevalence of Vision Disorders by Racial and Ethnic Group among Children Participating in Head Start

Gui-shuang Ying, Maureen G. Maguire, Lynn A. Cyert, Elise Ciner, Graham E. Quinn, Marjean Taylor Kulp, Deborah Orel-Bixler and Bruce Moore
Ophthalmology (Rochester, Minn.), v 121(3), pp 630-636
01 Mar 2014
DOI: https://doi.org/10.1016/j.ophtha.2013.09.036
PMID: 24183422
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Life Sciences & Biomedicine Science & Technology Ophthalmology
Objective: To compare the prevalence of amblyopia, strabismus, and significant refractive error among African-American, American Indian, Asian, Hispanic, and non-Hispanic white preschoolers in the Vision In Preschoolers study. Design: Multicenter, cross-sectional study. Participants: Three-to 5-year old preschoolers (n = 4040) in Head Start from 5 geographically disparate areas of the United States. Methods: All children who failed the mandatory Head Start screening and a sample of those who passed were enrolled. Study-certified pediatric optometrists and ophthalmologists performed comprehensive eye examinations including monocular distance visual acuity (VA), cover testing, and cycloplegic retinoscopy. Examination results were used to classify vision disorders, including amblyopia, strabismus, significant refractive errors, and unexplained reduced VA. Sampling weights were used to calculate prevalence rates, confidence intervals, and statistical tests for differences. Main Outcome Measures: Prevalence rates in each racial/ethnic group. Results: Overall, 86.5% of children invited to participate were examined, including 2072 African-American, 343 American Indian (323 from Oklahoma), 145 Asian, 796 Hispanic, and 481 non-Hispanic white children. The prevalence of any vision disorder was 21.4% and was similar across groups (P = 0.40), ranging from 17.9% (American Indian) to 23.3% (Hispanic). Prevalence of amblyopia was similar among all groups (P = 0.07), ranging from 3.0% (Asian) to 5.4% (non-Hispanic white). Prevalence of strabismus also was similar (P = 0.12), ranging from 1.0% (Asian) to 4.6% (non-Hispanic white). Prevalence of hyperopia >3.25 diopter (D) varied (P = 0.007), with the lowest rate in Asians (5.5%) and highest in non-Hispanic whites (11.9%). Prevalence of anisometropia varied (P = 0.009), with the lowest rate in Asians (2.7%) and highest in Hispanics (7.1%). Myopia >2.00 D was relatively uncommon (<2.0%) in all groups with the lowest rate in American Indians (0.2%) and highest rate in Asians (1.9%). Prevalence of astigmatism >1.50 D varied (P = 0.01), with the lowest rate among American Indians (4.3%) and highest among Hispanics (11.1%). Conclusions: Among Head Start preschool children, the prevalence of amblyopia and strabismus was similar among 5 racial/ethnic groups. Prevalence of significant refractive errors, specifically hyperopia, astigmatism, and anisometropia, varied by group, with the highest rate of hyperopia in non-Hispanic whites, and the highest rates of astigmatism and anisometropia in Hispanics. (C) 2014 by the American Academy of Ophthalmology.

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Ophthalmology
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