Epidemiology of ROP update - Africa is the new frontier

Clare Gilbert1, Aeesha N J Malik1, Nazmun Nahar2

  • 1Department of Clinical Research, London School of Hygiene & Tropical Medicine, United Kingdom.

Insights

Retinopathy of prematurity (ROP) causes blindness globally, particularly in middle-income nations. Expanding neonatal care in sub-Saharan Africa may increase ROP blindness without control programs.

Area of Science:

  • Ophthalmology
  • Neonatology
  • Public Health

Background:

  • Retinopathy of prematurity (ROP) has caused multiple epidemics of childhood blindness globally.
  • Recent epidemics have affected middle-income countries in Asia, Latin America, and Eastern Europe.
  • Inadequate neonatal care quality and screening coverage lead to ROP in both preterm and larger infants.

Purpose of the Study:

  • To analyze the global incidence and trends of ROP-related blindness.
  • To highlight the evolving epidemiology of ROP in different economic settings.
  • To project the future impact of ROP in sub-Saharan Africa.

Main Methods:

  • Review of global ROP incidence data.
  • Analysis of ROP epidemiology across various economic strata.
  • Projection of ROP's future burden based on neonatal care expansion.

Main Results:

  • An estimated 32,300 new cases of blindness and visual impairment from ROP occurred globally in 2010.
  • Sub-Saharan Africa had the lowest incidence in 2010.
  • ROP is projected to become a significant cause of childhood blindness in sub-Saharan Africa as neonatal care improves.

Conclusions:

  • ROP remains a critical global public health issue, particularly in regions with developing neonatal care.
  • Proactive ROP screening and treatment policies are essential to prevent increased childhood blindness in expanding neonatal care settings.
  • Targeted interventions are needed to mitigate the rising risk of ROP in sub-Saharan Africa.

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