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Table 5 Summary and meta-analysis of recent studies on myopia and high myopia prevalence among young adults

From: The increasing prevalence of myopia and high myopia among high school students in Fenghua city, eastern China: a 15-year population-based survey

Author (Year) Location Population-based? N Refraction
method
Myopia
definition
Mean
Age
Prevalence (%) Ref
Myopia High myopia
Jung (2012) Seoul, Korea Noa 23,616 CAR < −0.5D 19 96.5 21.61 Ref 8
Sun (2012) Shanghai, China Yes 5083 NCAR < − 0.5D 20 95.5 19.5 Ref11
Lee (2013) Taiwan, China Noa 5145 NCAR < −0.5D 21.6 86.1 NA Ref 9
Lin (2004) Taiwan, China Yes 45,345 CAR <−0.25D 18 84 16 Ref17
Lee (2013) Jeju, Korea Noa 2805 CAR < −0.5D 19 83.3 6.8 Ref18
Koh (2014) Singapore Noa 28,908 NCAR < −0.5D 19.5 81.6 14.7 Ref10
Wu (2013) Shandong, China Yes 6364 NCAR ≤ −0.5D 17 80 14 Ref12
You (2014) Beijing, China Yes 16,771 NCAR ≤ −0.5D 18 74.2 1.8 Ref19
Li (2017) Beijing, China Yes 37,424 CAR ≤ −0.5D 15.25 66.48 6.69 Ref13
Matamoros (2015) France Yes 100,429 NCAR ≤ −0.5D 38.5 39.1 3.4 Ref19
Dayan (2005) Israel Yes 919,929 NCAR ≤ −0.5D 17 28.3 NA Ref14
Mcknight (2014) Western Australia Yes 1344 CAR < −0.5D 20.1 23.7 NA Ref21
Meta-analysisb 70 (49–90) 12 (8–16)
  1. adata from male conscripts; NA not available, Ref reference NCAR non-cycloplegic autorefraction, CAR cycloplegic autorefraction. b pooled prevalence and 95% confidence interval of myopia and high myopia by meta-analysis