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The prevalence of amblyopia, strabismus, and ptosis in schoolchildren of Dezful

Abstract

Purpose

To determine the prevalence of amblyopia, strabismus, and ptosis among schoolchildren in Dezful in the west of Iran.

Methods

In this cross-sectional study, 1,375 schoolchildren of Dezful were selected through multistage cluster sampling. After obtaining written consents, participants had uncorrected and corrected visual acuity tests, cycloplegic refraction, and the cover test, and were examined for ptosis at the school site.

Results

Of the 1,151 study participants (83.7%), examinations were completed for 1,130 schoolchildren. Prevalence rates of amblyopia, strabismus, and ptosis were 2.7% (95% confidence interval [CI] 0.8-4.7), 1.9% (95% CI: 0.2-3.8), and 0.8%, respectively. Anisometropia was the most common cause of amblyopia; 45.2% of cases had anisometropic amblyopia. Among cases with strabismus, 63.6% were exotropic and 36.4% were esotropic.

Conclusion

The present study indicated that the prevalence of amblyopia and strabismus in Dezful schoolchildren falls in the average range. Since the Amblyopia Screening Program has been running for years, we expected lower rates compared to previous years, but this was not observed. Correcting refractive errors can significantly reduce amblyopic cases.

Eur J Ophthalmol 2017; 27(1): 109 - 112

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/ejo.5000795

Authors

Abbasali Yekta, Hassan Hashemi, Reza Norouzirad, Hadi Ostadimoghaddam, Payam Nabovati, Nooshin Dadbin, Fereidon Nirouzad, Ehsan Shir-Alivand, Mehdi Khabazkhoob

Article History

Disclosures

Financial support: This research was supported by the Deputy of Research of Dezful University of Medical Sciences, Iran (grant code: DUR117).
Conflict of interest: None of the authors has conflict of interest with this submission.

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Authors

Affiliations

  • Department of Optometry, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad - Iran
  • Noor Research Center for Ophthalmic Epidemiology, Noor Eye Hospital, Tehran - Iran
  • Dezful University of Medical Sciences, Dezful - Iran
  • Refractive Error Research Center, Mashhad University of Medical Sciences, Mashhad - Iran
  • Noor Ophthalmology Research Center, Noor Eye Hospital, Tehran - Iran
  • Department of Medical Surgical Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran - Iran

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