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