HAL (n=54) | SAL (n=55) | SVL (n=52) | |
Age (years) | 10.7±0.2 | 10.1±0.2 | 10.4±0.2 |
Gender | |||
Male, % (n) | 48 (26) | 33 (18) | 56 (29) |
Cycloplegic SER (D) | −2.70±0.14 | −2.31±0.13 | −2.46±0.12 |
AL (mm) | 24.76±0.09 | 24.43±0.10 | 24.77±0.09 |
*Near phoria (Δ) | −2.36±0.90 | −2.24±0.88 | −1.86±0.92 |
*Accommodative lag at 33 cm (D) | 0.94±0.05 | 1.09±0.04 | 1.03±0.05 |
Age of myopia onset (years) | 9.3±0.2 | 9.3±0.2 | 9.4±0.2 |
Myopic parents, % (n) | |||
0 | 33 (18) | 22 (12) | 23 (12) |
1 | 37 (20) | 42 (23) | 37 (19) |
2 | 30 (16) | 36 (20) | 40 (21) |
Data are presented as the means±SEs, unless stated otherwise.
*Measured using the best corrected study device after dispensing.
Δ, prism diopters; AL, axial length; D, diopters; HAL, spectacle lenses with highly aspherical lenslets; SAL, spectacle lenses with slightly aspherical lenslets; SER, spherical equivalent refraction; SVL, single-vision spectacle lenses.