Evidence for the need for vision screening of school children in Turkey

Azizoglu, Serap, Crewther, Sheila G, Şerefhan, Funda, Barutchu, Ayla, Göker, Sinan and Junghans, Barbara M 2017, Evidence for the need for vision screening of school children in Turkey, BMC ophthalmology, vol. 17, no. 1, doi: 10.1186/s12886-017-0618-9.

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Title Evidence for the need for vision screening of school children in Turkey
Author(s) Azizoglu, SerapORCID iD for Azizoglu, Serap orcid.org/0000-0003-3420-4098
Crewther, Sheila G
Şerefhan, Funda
Barutchu, Ayla
Göker, Sinan
Junghans, Barbara M
Journal name BMC ophthalmology
Volume number 17
Issue number 1
Article ID 230
Total pages 14
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2017-12-02
ISSN 1471-2415
Keyword(s) Middle East
primary school children
public health
refractive errors
socioeconomic status
visual screening
analysis of variance
child, preschool
health services needs and demand
human body
vision disorders
vision screening
visual acuity
science & technology
life sciences & biomedicine
Summary BACKGROUND: In many countries, access to general health and eye care is related to an individual's socioeconomic status (SES). We aimed to examine the prevalence of oculo-visual disorders in children in Istanbul Turkey, drawn from schools at SES extremes but geographically nearby. METHODS: Three school-based vision screenings (presenting distance visual acuity, cover test, eye assessment history, colour vision, gross stereopsis and non-cycloplegic autorefraction) were conducted on 81% of a potential 1014 primary-school children aged 4-10 years from two private (high SES) schools and a nearby government (low SES) school in central Istanbul. Prevalence of refractive errors and school-based differences were analysed using parametric statistics (ANOVA). The remaining oculo-visual aspects were compared using non-parametric tests. RESULTS: Of the 823 children with mean age 6.7 ± 2.2 years, approximately 10% were referred for a full eye examination (8.2% and 16.3% of private/government schools respectively). Vision had not been previously examined in nearly 22% of private school children and 65% of government school children. Of all children, 94.5% were able to accurately identify the 6/9.5 [LogMAR 0.2] line of letters/shapes with each eye and 86.6% the 6/6 line [LogMAR 0], while 7.9% presented wearing spectacles, 3.8% had impaired colour vision, 1.5% had grossly impaired stereo-vision, 1.5% exhibited strabismus, 1.8% were suspected to have amblyopia and 0.5% had reduced acuity of likely organic origin. Of the 804 without strabismus, amblyopia or organic conditions, 6.0% were myopic ≤ - 0.50DS, 0.6% hyperopic ≥ + 2.00DS, 7.7% astigmatic ≥1.00 DC and 6.2% anisometropic ≥1.00DS. CONCLUSIONS: The results highlight the need for general vision screenings for all children prior to school entry given the varied and different pattern of visual problems associated with lifestyle differences in two populations raised in the same urban locale but drawn from different socioeconomic backgrounds.
Language eng
DOI 10.1186/s12886-017-0618-9
Field of Research 1113 Ophthalmology And Optometry
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, The Author(s)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30106998

Document type: Journal Article
Collections: School of Medicine
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