Table 6 Intersession reproducibility of the total eye aberrations obtained by iTrace
Aberrations | Mean ± SD (um) | Sw (um) | 2.77Sw (um) | ICC |
|---|---|---|---|---|
Ocular | ||||
tHOA | 0.162 ± 0.072 | 0.080 | 0.233 | 0.298(− 0.037-0.359) |
SA | 0.019 ± 0.032 | 0.038 | 0.104 | 0.325(− 0.018-0.553) |
Coma | 0.092 ± 0.050 | 0.044 | 0.122 | 0.616 (0.418-0.746) |
Second Astig | 0.035 ± 0.021 | 0.020 | 0.055 | 0.549 (0.321-0.701) |
Trefoil | 0.079 ± 0.043 | 0.035 | 0.098 | 0.624 (0.433-0.751) |
Cornea | ||||
tHOA | 0.127 ± 0.038 | 0.043 | 0.119 | 0.332 (0.016-0.550) |
SA | 0.040 ± 0.024 | 0.033 | 0.091 | 0.433 (0.158-0.577) |
Coma | 0.080 ± 0.034 | 0.038 | 0.104 | 0.371 (0.059-0.580) |
Second Astig | 0.029 ± 0.017 | 0.019 | 0.054 | 0.301 (0.321-0.701) |
Trefoil | 0.076 ± 0.035 | 0.041 | 0.113 | 0.335 (0.110-0.555) |
Internal | ||||
tHOA | 0.143 ± 0.049 | 0.042 | 0.117 | 0.628 (0.438-0.753) |
SA | −0.023 ± 0.042 | 0.036 | 0.101 | 0.621 (0.428-0.749) |
Coma | 0.084 ± 0.038 | 0.046 | 0.128 | 0.246(−0.142-0.502) |
Second Astig | 0.042 ± 0.032 | 0.013 | 0.035 | 0.243(−0.150-0.501) |
Trefoil | 0.074 ± 0.037 | 0.036 | 0.101 | 0.526 (0.282-0.686) |