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A study on refractive errors among school children in Kolkata.

Angshuman Das1, Himadri Dutta, Gautam Bhaduri

  • 1Regional Institute of Ophthalmology, Medical College, Kolkata 700073.

Journal of the Indian Medical Association
|September 8, 2007
PubMed
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Refractive errors cause significant childhood visual impairment in Kolkata school children. Myopia is the most common, affecting 14.02% of students, highlighting a public health concern.

Area of Science:

  • Ophthalmology
  • Public Health
  • Pediatrics

Background:

  • Childhood visual impairment from refractive errors presents a substantial public health challenge.
  • Early detection and management are crucial for preventing long-term vision deficits in school-aged children.

Purpose of the Study:

  • To determine the prevalence and types of refractive errors among school children aged 5–10 years in Kolkata.
  • To investigate the relationship between age and gender with the occurrence of refractive errors.

Main Methods:

  • A cross-sectional study involving detailed ophthalmological examinations of 2317 school children in Kolkata.
  • Data collection included visual acuity testing and refractive error assessment.

Main Results:

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  • A high prevalence of refractive errors was found, with 25.11% of students affected.
  • Myopia was the most common refractive error (14.02%), followed by astigmatism (3.93%).
  • No statistically significant correlation was observed between the prevalence of refractive errors and increasing age or gender.

Conclusions:

  • Refractive errors represent a significant burden of visual impairment in Kolkata's school-aged population.
  • The high prevalence of myopia underscores the need for targeted vision screening programs.
  • Further research is warranted to explore causative factors and implement effective interventions.