Mean sensitivity between the binocular simultaneous both eye test and the binocular random single-eye test in the better eyes
| Mean sensitivity (dB) | Binocular simultaneous both eye test | Binocular random single-eye test in better eye | P value |
| Central 4 points | 29.0 (26.3 to 30.0) | 27.9 (24.8 to 29.8) | 0.035 |
| Central 5 points | 29.2 (26.6 to 30.7) | 28.1 (25.6 to 29.7) | 0.001 |
| Central point | 30 (26 to 32) | 30 (26 to 30) | 0.002 |
Median (IQR) Wilcoxon signed-rank test.