Table 2 Prevalence of refractive errors in 1–18-month-old children determined by Spot Vision Screener
From: Refractive errors and risk factors for myopia in infants aged 1–18 months in Tianjin, China
Parameters | Myopia | Emmetropia | Hyperopia | Astigmatism |
|---|---|---|---|---|
Age in months | n (%) | n (%) | n (%) | n (%) |
1–3 | 4 (2.9%) | 7 (5.0%) | 102 (72.9%) | 66 (46.4%) |
3–6 | 4 (2.8%) | 13 (9.1%) | 77 (53.8%) | 86 (60.1%) |
6–9 | 12 (7.7%) | 22 (14.1%) | 40 (25.6%) | 89 (57.7%) |
9–12 | 4 (4.1%) | 12 (16.4%) | 14 (19.2%) | 25 (34.2%) |
12–18 | 6 (8.5%) | 9 (12.7%) | 16 (22.5%) | 25 (35.2%) |
Total | 30 (5.1%) | 63 (10.8%) | 249 (42.7%) | 291 (49.9%) |
P | 0.190 | 0.045 | <0.001 | <0.001 |
Boys | 10 (3.2%) | 37 (11.9%) | 140 (44.9%) | 146 (46.8%) |
Girls | 20 (7.0%) | 26 (9.6%) | 109 (40.2%) | 145 (53.5%) |
P | 0.035 | 0.380 | 0.258 | 0.106 |