The screening of visual impairment among preschool children in an urban population in Malaysia; the Kuching pediatric eye study: a cross sectional study.

Abstract:

BACKGROUND:To screen for visual impairment in Malaysian preschool children. METHODS:Visual screening was conducted in 400 preschool children aged 4 to 6 years. The screening involved two basic procedures; the distant visual acuity test using the Sheridan Gardiner chart and the depth perception test using the Langs stereoacuity test. Criteria for referral were a visual acuity of 6/12 or less in the better eye or a fail in the depth perception test. RESULTS:The prevalence of visual impairment was 5% (95% confidence interval [CI] = 3.3, 7.6). Of the 400 preschool children screened, 20 of them failed the distant visual acuity test or the stereopsis test. Refractive errors were the most common cause of visual impairment (95%, 95% CI = 76.2, 98.8); myopic astigmatism was the commonest type of refractive error (63.2%, 95% CI = 40.8, 80.9). CONCLUSION:The study is a small but important step in the effort to understand the problem of visual impairment among our preschool children. Our study showed that it is feasible to measure distant visual acuity and stereopsis in this age group.

journal_name

BMC Ophthalmol

journal_title

BMC ophthalmology

authors

Premsenthil M,Manju R,Thanaraj A,Rahman SA,Kah TA

doi

10.1186/1471-2415-13-16

subject

Has Abstract

pub_date

2013-04-19 00:00:00

pages

16

issn

1471-2415

pii

1471-2415-13-16

journal_volume

13

pub_type

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