Impact of visual acuity on developing literacy at age 4-5 years: a cohort-nested cross-sectional study.

BMJ Open
Alison BruceTrevor A Sheldon

Abstract

To estimate the prevalence of poor vision in children aged 4-5 years and determine the impact of visual acuity on literacy. Cross-sectional study linking clinical, epidemiological and education data. Schools located in the city of Bradford, UK. Prevalence was determined for 11,186 children participating in the Bradford school vision screening programme. Data linkage was undertaken for 5836 Born in Bradford (BiB) birth cohort study children participating both in the Bradford vision screening programme and the BiB Starting Schools Programme. 2025 children had complete data and were included in the multivariable analyses. Visual acuity was measured using a logMAR Crowded Test (higher scores=poorer visual acuity). Literacy measured by Woodcock Reading Mastery Tests-Revised (WRMT-R) subtest: letter identification (standardised). The mean (SD) presenting visual acuity was 0.14 (0.09) logMAR (range 0.0-1.0). 9% of children had a presenting visual acuity worse than 0.2logMAR (failed vision screening), 4% worse than 0.3logMAR (poor visual acuity) and 2% worse than 0.4logMAR (visually impaired). Unadjusted analysis showed that the literacy score was associated with presenting visual acuity, reducing by 2.4 points for every 1 line (0.10lo...Continue Reading

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Citations

Dec 9, 2016·Strabismus·Alison Bruce, Gillian Santorelli
Sep 18, 2018·Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)·Joanne M WoodSonia L J White
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Jul 1, 2017·Canadian Journal of Public Health = Revue Canadienne De Santé Publique·Katie P Bennett, Wendy Maloney
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Mar 23, 2021·Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie·Megan E CollinsDavid S Friedman
Aug 18, 2021·Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)·Salma WilsonRakhee Shah

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