Table 3

Prevalence of amblyopia and strabismus in different studies

StudyCountryAge, years (n)EthnicityPrevalence of amblyopia*Prevalence of strabismus
MEPEDS, 2008USA2.5–6 (3350)African American (1663)
Hispanic/Latino (1687)
1.5%
2.6%
2.5%
2.4%
MEPEDS, 2013USA2.5–6 (1883)Asian American (938)
Non-Hispanic White (945)
1.8%
1.8%
3.6%
3.2%
BPEDS, 2009USA2.5–6 (1546)Non-Hispanic White (673)
African American (873)
1.8%
0.8%
3.3%
2.1%
STARS, 2010Singapore2.5–6 (1682)Singaporean Chinese1.2%0.8%
SPEDS, 2012Australia2.5–6 (1422)Predominantly white1.9%N/A†
NPVP, 2015China3–6 (5667)Chinese Han1.2%5.7%
ACES, 2014China6–9 (2893)Chinese Han1.0%N/A†
YPEDS, 2018China3–4 (1695)Chinese Han1.47%N/A†
MMPS, 2018China7–8 (1656), 13–14 (1394)Chinese Hani0.82%1.93%
  • *Same definition of amblyopia was used.

  • †No strabismus data.

  • ACES, Anyang Childhood Eye Study ; BPEDS, Baltimore Paediatric Eye Disease Study; MEPEDS, Multi-ethnic Paediatric Eye Disease Study; MMPS, Mojiang Myopia Progression Study; NPVP, Nanjing Paediatric Vision Project; SPEDS, Sydney Paediatric Eye Disease Study; STARS, Strabismus, Amblyopia, and Refractive Error in Singaporean Children Study ; YPEDS, Yuhuatai Paediatric Eye Disease Study.