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Myopia prevalence in a population-based childhood visual impairment study in North India - CHVI-2

Meenakshi Wadhwani1, Praveen Vashist2, Suraj Senjam Singh2

  • 1Pediatric Ophthalmology, Chacha Nehru Bal Chikitsalya, New Delhi, India.

Indian Journal of Ophthalmology
|February 28, 2022
PubMed

Insights

This study found that 3.7% of children in Delhi have myopia, a common vision impairment. A significant 45% of these cases were uncorrected, highlighting a need for better refractive error services.

Area of Science:

  • Ophthalmology
  • Public Health
  • Pediatric Vision

Background:

  • Myopia, or nearsightedness, is a growing global health concern, particularly in children.
  • Understanding community-level prevalence is crucial for targeted interventions.

Purpose of the Study:

  • To determine the prevalence of myopia in children within an urban community setting.
  • To identify the proportion of uncorrected myopia in the studied pediatric population.

Main Methods:

  • A population-based, cross-sectional study involving 20,000 children aged 0-15 years in Delhi.
  • Visual acuity screening via house-to-house visits, with referrals for detailed ophthalmic examination for those with subnormal vision.
  • Defined myopia as a spherical equivalent of -0.50 DS or worse in one or both eyes.

Main Results:

  • A total of 13,572 children aged 6-15 years were analyzed.
  • The prevalence of myopia was found to be 3.7% (507 children).
  • Myopia showed a positive association with higher age groups.

Conclusions:

  • The estimated community prevalence of myopia is 3.7%.
  • A substantial 45% of myopia cases were uncorrected.
  • Findings indicate a need for improved refractive error services for children.
Abstract

Keywords:
Myopiarefractive errorvisual impairment

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