TABLE 3.
Myopia prevalence reported in included systematic reviews and meta‐analyses
| Review study | Number of subjects (Number and design of primary studies) | Duration of effect (years) | Measure of effect (95% CI) | Direction of effect |
|---|---|---|---|---|
| Sherwin et al. 23 | 9,885 (7, CS) | NA | OR 0.98 (0.97, 0.99) | Favours high outdoor exposure |
| Xiong et al. 24 | 23,112 (13, CS) | NA | OR 0.96 (0.94, 0.98) | Favours high outdoor exposure |
| Ho et al. 22 | 5,745 (4, CS) | NA | OR 0.95 (0.92, 0.99) | Favours high outdoor exposure |
Abbreviations: CI, Confidence interval; CS, Cross‐sectional studies; NA, Not applicable; OR, Odds ratio.