مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

HIGH PREVALENCE OF REFRACTIVE ERRORS IN 7 YEAR OLD CHILDREN IN IRAN

Pages

  194-202

Abstract

 Background: The latest WHO report indicates that REFRACTIVE ERRORS are the leading cause of visual impairment throughout the world. The aim of this study was to determine the prevalence of myopia, hyperopia, and astigmatism in 7 yr old children in IRAN.Methods: In a CROSS-SECTIONAL STUDY in 2013 with multistage cluster sampling, first graders were randomly selected from 8 cities in IRAN. All children were tested by an optometrist for uncorrected and corrected vision, and non-cycloplegic and cycloplegic refraction. REFRACTIVE ERRORS in this study were determined based on spherical equivalent (SE) cyloplegic refraction.Results: From 4614 selected children, 89.0% participated in the study, and 4072 were eligible. The prevalence rates of myopia, hyperopia and astigmatism were 3.04% (95% CI: 2.30-3.78), 6.20% (95% CI: 5.27-7.14), and 17.43% (95% CI: 15.39-19.46), respectively. Prevalence of myopia (P=0.925) and astigmatism (P=0.056) were not statistically significant-ly different between the two genders, but the odds of hyperopia were 1.11 (95% CI: 1.01-2.05) times higher in girls (P=0.011). The prevalence of with-the-rule astigmatism was 12.59%, against-the-rule was 2.07%, and oblique 2.65%. Overall, 22.8% (95% CI: 19.7-24.9) of the schoolchildren in this study had at least one type of refractive error.Conclusion: One out of every 5 schoolchildren had some refractive error. Conducting multicenter studies throughout the Middle East can be very helpful in understanding the current distribution patterns and etiology of REFRACTIVE ERRORS compared to the previous decade.

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    Cite

    APA: Copy

    HASHEMI, HASSAN, YEKTA, ABBASALI, JAFARZADEHPUR, EBRAHIM, OSTADI MOGHADDAM, HADI, ETEMAD, KOOROSH, ASHARLOUS, AMIR, NABOVATI, PAYAM, & KHABAZKHOOB, MEHDI. (2016). HIGH PREVALENCE OF REFRACTIVE ERRORS IN 7 YEAR OLD CHILDREN IN IRAN. IRANIAN JOURNAL OF PUBLIC HEALTH, 45(2), 194-202. SID. https://sid.ir/paper/273980/en

    Vancouver: Copy

    HASHEMI HASSAN, YEKTA ABBASALI, JAFARZADEHPUR EBRAHIM, OSTADI MOGHADDAM HADI, ETEMAD KOOROSH, ASHARLOUS AMIR, NABOVATI PAYAM, KHABAZKHOOB MEHDI. HIGH PREVALENCE OF REFRACTIVE ERRORS IN 7 YEAR OLD CHILDREN IN IRAN. IRANIAN JOURNAL OF PUBLIC HEALTH[Internet]. 2016;45(2):194-202. Available from: https://sid.ir/paper/273980/en

    IEEE: Copy

    HASSAN HASHEMI, ABBASALI YEKTA, EBRAHIM JAFARZADEHPUR, HADI OSTADI MOGHADDAM, KOOROSH ETEMAD, AMIR ASHARLOUS, PAYAM NABOVATI, and MEHDI KHABAZKHOOB, “HIGH PREVALENCE OF REFRACTIVE ERRORS IN 7 YEAR OLD CHILDREN IN IRAN,” IRANIAN JOURNAL OF PUBLIC HEALTH, vol. 45, no. 2, pp. 194–202, 2016, [Online]. Available: https://sid.ir/paper/273980/en

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