Evaluation of visual function in preschool-age children using a vision screening protocol

Tsukasa Satou, Yoshiaki Takahashi, Misae Ito, Hiroshi Mochizuki, Takahiro Niida Department of Orthoptics and Visual Sciences, School of Health Sciences, International University of Health and Welfare, Otawara, Tochigi, Japan Purpose: To evaluate the relationship between uncorrected visual acuity a...

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Autores principales:	Satou T, Takahashi Y, Ito M, Mochizuki H, Niida T
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	Vision screening preschool children Refraction Binocular function Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/26c27b354a98474aa7edf1fabb3eef18
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spelling	oai:doaj.org-article:26c27b354a98474aa7edf1fabb3eef182021-12-02T06:18:21ZEvaluation of visual function in preschool-age children using a vision screening protocol1177-5483https://doaj.org/article/26c27b354a98474aa7edf1fabb3eef182018-02-01T00:00:00Zhttps://www.dovepress.com/evaluation-of-visual-function-in-preschool-age-children-using-a-vision-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Tsukasa Satou, Yoshiaki Takahashi, Misae Ito, Hiroshi Mochizuki, Takahiro Niida Department of Orthoptics and Visual Sciences, School of Health Sciences, International University of Health and Welfare, Otawara, Tochigi, Japan Purpose: To evaluate the relationship between uncorrected visual acuity and refraction and binocular function using a vision screening protocol. Methods: In total, 760 children (3–6 years old) who were enrolled in 4 nursery schools in Otawara, Japan, were recruited; a total of 1,520 eyes were examined. We assessed uncorrected near visual acuity, manifest refraction, stereopsis, and eye position. Subjects were divided into 4 subgroups according to the lowest uncorrected near visual acuity value compared between the 2 eyes: group 1 (visual acuity [VA] ≤0.00 [logarithm of the minimum angle of resolution]), group 2 (VA 0.15–0.05), group 3 (VA 0.52–0.22), and group 4 (VA >0.52). These parameters were compared among the groups. Results: The sample number of each of the 4 sub-groups was as follows: group 1, 608; group 2, 114; group 3, 27; and group 4, 11. The median spherical equivalent values were -1.13 diopter (D) in group 1 and -1.00 in group 2, which were more myopic than group 4. Median cylindrical power in group 1 was 0.25 D, and was the lowest among all groups. In group 1, median anisometropia was 0.38 D and median corneal astigmatism value was 1.13 D; both values were lowest in group 1. With regard to binocular function, 89.6% of the subjects in group 1 had 60 arcseconds or better in near stereopsis and 98.8% had no detectable strabismus, which were significantly different from the findings in the other groups. The percentage of subjects in group 1 who had 80 arcseconds or worse in near stereopsis was 10.4%. In contrast, 90.9% of the subjects in group 4 had 80 arcseconds or worse in near stereopsis, and 18.2% had intermittent or manifest strabismus. Conclusion: We suggest that examination of refraction and stereopsis in preschool-age children undergoing vision screening is an important supplement to visual acuity testing. Keywords: vision screening, preschool children, refraction, binocular function, non-cycloplegic, hand held autorefractorSatou TTakahashi YIto MMochizuki HNiida TDove Medical PressarticleVision screeningpreschool childrenRefractionBinocular functionOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 12, Pp 339-344 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Vision screening preschool children Refraction Binocular function Ophthalmology RE1-994
spellingShingle	Vision screening preschool children Refraction Binocular function Ophthalmology RE1-994 Satou T Takahashi Y Ito M Mochizuki H Niida T Evaluation of visual function in preschool-age children using a vision screening protocol
description	Tsukasa Satou, Yoshiaki Takahashi, Misae Ito, Hiroshi Mochizuki, Takahiro Niida Department of Orthoptics and Visual Sciences, School of Health Sciences, International University of Health and Welfare, Otawara, Tochigi, Japan Purpose: To evaluate the relationship between uncorrected visual acuity and refraction and binocular function using a vision screening protocol. Methods: In total, 760 children (3–6 years old) who were enrolled in 4 nursery schools in Otawara, Japan, were recruited; a total of 1,520 eyes were examined. We assessed uncorrected near visual acuity, manifest refraction, stereopsis, and eye position. Subjects were divided into 4 subgroups according to the lowest uncorrected near visual acuity value compared between the 2 eyes: group 1 (visual acuity [VA] ≤0.00 [logarithm of the minimum angle of resolution]), group 2 (VA 0.15–0.05), group 3 (VA 0.52–0.22), and group 4 (VA >0.52). These parameters were compared among the groups. Results: The sample number of each of the 4 sub-groups was as follows: group 1, 608; group 2, 114; group 3, 27; and group 4, 11. The median spherical equivalent values were -1.13 diopter (D) in group 1 and -1.00 in group 2, which were more myopic than group 4. Median cylindrical power in group 1 was 0.25 D, and was the lowest among all groups. In group 1, median anisometropia was 0.38 D and median corneal astigmatism value was 1.13 D; both values were lowest in group 1. With regard to binocular function, 89.6% of the subjects in group 1 had 60 arcseconds or better in near stereopsis and 98.8% had no detectable strabismus, which were significantly different from the findings in the other groups. The percentage of subjects in group 1 who had 80 arcseconds or worse in near stereopsis was 10.4%. In contrast, 90.9% of the subjects in group 4 had 80 arcseconds or worse in near stereopsis, and 18.2% had intermittent or manifest strabismus. Conclusion: We suggest that examination of refraction and stereopsis in preschool-age children undergoing vision screening is an important supplement to visual acuity testing. Keywords: vision screening, preschool children, refraction, binocular function, non-cycloplegic, hand held autorefractor
format	article
author	Satou T Takahashi Y Ito M Mochizuki H Niida T
author_facet	Satou T Takahashi Y Ito M Mochizuki H Niida T
author_sort	Satou T
title	Evaluation of visual function in preschool-age children using a vision screening protocol
title_short	Evaluation of visual function in preschool-age children using a vision screening protocol
title_full	Evaluation of visual function in preschool-age children using a vision screening protocol
title_fullStr	Evaluation of visual function in preschool-age children using a vision screening protocol
title_full_unstemmed	Evaluation of visual function in preschool-age children using a vision screening protocol
title_sort	evaluation of visual function in preschool-age children using a vision screening protocol
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/26c27b354a98474aa7edf1fabb3eef18
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Evaluation of visual function in preschool-age children using a vision screening protocol

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