Table 1.
Mean [95% CI] refractive error, best corrected visual acuity and accommodation amplitude for 2nd-, 5th- and 10th-grade children, shown for right eye, left eye and binocular measurements
| 2nd grade Mean [CI] |
5th grade Mean [CI] |
10th grade Mean [CI] |
||
|---|---|---|---|---|
| Refraction (SER, D) | RE | + 0.71 [+ 0.61, +0.82] | + 0.46 [+ 0.32, + 0.60] | + 0.07 [− 0.05, + 0.19] |
| LE | + 0.76 [+ 0.65, +0.86] | + 0.51 [+ 0.36, + 0.66] | + 0.08 [− 0.03, + 0.20] | |
| Best corrected visual acuity (logMAR) | RE | + 0.01 [− 0.002, + 0.02] | − 0.04 [− 0.06, − 0.02] | − 0.05 [− 0.06, − 0.04] |
| LE | + 0.02 [+ 0.001, + 0.03] | − 0.04 [− 0.05, − 0.03] | − 0.06 [− 0.07, − 0.04] | |
| Bin | − 0.02 [− 0.04, − 0.03] | − 0.09 [− 0.10, − 0.07] | − 0.10 [− 0.11, − 0.09] | |
| Accommodation amplitude (D) | RE | 12.3 [11.7, 12.9] | 11.4 [10.8, 12.0] | 10.3 [9.9, 10.7] |
| LE | 12.4 [11.8, 13.0] | 11.5 [10.9, 12.0] | 10.5 [10.2, 10.9] | |
| Bin | 14.0 [13.4, 14.6] | 12.9 [12.3, 13.5] | 11.8 [11.3, 12.2] | |
SER spherical equivalent refractive error, RE right eye, LE left eye, BIN binocular, D dioptre