Table 2. Interobserver reproducibility of ocular parameters measured by Tomey OA-2000 biometer (n = 108).
| Parameter | CoV (%) | Sw | 2.77Sw | ICC |
|---|---|---|---|---|
| AL (mm) | 0.022 | 0.008 | 0.023 | 1.000 (1.000–1.000) |
| CCT (μm) | 0.423 | 3.016 | 8.355 | 0.995 (0.993–0.997) |
| ACD (mm) | 0.332 | 0.022 | 0.061 | 0.998 (0.997–0.998) |
| LT (mm) | 0.550 | 0.058 | 0.160 | 0.981 (0.972–0.987) |
| Kf (D) | 0.082 | 0.045 | 0.124 | 0.999 (0.999–0.999) |
| Ks (D) | 0.110 | 0.073 | 0.202 | 0.999 (0.999–0.999) |
| Km (D) | 0.068 | 0.045 | 0.124 | 0.999 (0.999–0.999) |
| PD (mm) | 3.855 | 0.370 | 1.020 | 0.944 (0.918–0.962) |
| CD (mm) | 0.378 | 0.090 | 0.248 | 0.973 (0.961–0.982) |
AL: axial length, CCT: central corneal thickness, ACD: anterior chamber depth, LT: lens thickness, Kf: flat keratometry, Ks: steep keratometry, Km: mean keratometry, PD: pupil diameter, CD: white to white, D: diopter, SD: standard deviation, CoV: coefficient of variance, Sw: within-subject standard deviation, ICC: intraclass correlation coefficient.