Table 2 Distribution of refractive errors in children with spectacle wear and in the whole study samples
From: Rates of spectacle wear in early childhood in the Netherlands
Generation R 6 years | RAMSES 7 years | |||
|---|---|---|---|---|
N | % of the whole study sample | N | % of the whole study sample | |
Myopia (≤ −0.5 D) | 51 | 0.7% | 21 | 1.5% |
Myopia (≤ −0.5 D) and astigmatism (≤ − 0.75 D) | 123 | 1.7% | 34 | 2.5% |
Hyperopia (≥ + 1.0 D) | 114 | 1.6% | 11 | 0.8% |
Hyperopia (≥ + 1.0 D) and astigmatism (≤ −0.75 D) | 217 | 3.1% | 18 | 1.3% |
Astigmatism alone (≤ −0.75 D) | 73 | 1.0% | 54 | 3.9% |
Other (emmetropia/ anisometropia) | 4 | 0.1% | 24 | 1.7% |