Abstract:
PURPOSE:To report normative data on visual acuity (VA) for near and distance, refraction, ocular alignment, ocular motility and stereo acuity in a cohort of children aged 4.5-7 years. METHODS:A total of 950 children with normal development from the municipality of Roskilde, Denmark, were invited to participate in an ophthalmic cross-sectional population-based survey, of which 445 children in the age of 54-87 months participated with a complete ocular examination including cycloplegia. Visual acuity (VA) was tested using Kay Picture charts and notified in logMAR units. RESULTS:Mean distance VA was 0.010 logMAR [standard deviation (SD): 0.048] in right eye, and near VA in right eye was 0.012 logMAR (SD: 0.054), with a nonsignificant difference between right and left eye in both parameters (paired t-test, p = 0.15 and p = 0.08, respectively). Amblyopia was found in 12 children (2.7%), mainly related to refractive errors. The mean refractive error of right eye was +1.75 D, and significant hyperopia (greater than +3.0 D) was found in 7.9%. No myopia (greater than or equal to -0.5 D) was found, astigmatism (>1 D) was seen in 4.3%. Manifest strabismus was present in 1.6%, and heterophoria in 4.0%. Reduced or absent stereo acuity was present in 35 children (7.9%) and was related to a reduced VA, refractive error and strabismus. CONCLUSION:Ophthalmic data of 445 normally developed children are presented, supplementing previous reported normative data in children. We found a relatively high prevalence of amblyopia and of hyperopia, while myopia was not found, confirming previous studies that myopia is not developing at early age in Danish children.
journal_name
Acta Ophthalmoljournal_title
Acta ophthalmologicaauthors
Sandfeld L,Weihrauch H,Tubaek G,Mortzos Pdoi
10.1111/aos.13650subject
Has Abstractpub_date
2018-06-01 00:00:00pages
379-383issue
4eissn
1755-375Xissn
1755-3768journal_volume
96pub_type
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pub_type: 杂志文章,随机对照试验
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更新日期:2015-09-01 00:00:00
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更新日期:2013-06-01 00:00:00
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更新日期:2020-09-01 00:00:00
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journal_title:Acta ophthalmologica
pub_type: 杂志文章
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pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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更新日期:2016-03-01 00:00:00
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pub_type: 杂志文章
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更新日期:2021-01-02 00:00:00
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更新日期:2016-12-01 00:00:00
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更新日期:2010-03-01 00:00:00
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pub_type: 杂志文章
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更新日期:2017-12-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2017-11-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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更新日期:2019-08-01 00:00:00
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pub_type: 杂志文章
doi:10.1111/j.1755-3768.2008.01313.x
更新日期:2009-02-01 00:00:00
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pub_type: 杂志文章
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更新日期:2020-11-16 00:00:00
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更新日期:2012-12-01 00:00:00