Calculated values with e-norms versus conventional method in our cohort
| E-norms method | Conventional method | |||
| Mean (95% CI) | Range | Mean (95% CI) | Range | |
| AL (in mm) | 23.50 (23.4 to 23.6) | 22.50–24.50 | 23.49 (23.4 to 23.6) | 21.33–25.66 |
| ACD (in mm) | 3.00 (2.97 to 3.03) | 2.50–3.50 | 2.97 (2.93 to 3.01) | 2.05–3.89 |
| LT (in mm) | 4.92 (4.89 to 4.95) | 4.40–5.44 | 4.93 (4.88 to 4.98) | 3.81–6.05 |
| Ks (in dioptres) | 43.66 (43.0 to 44.3) | 42.50–44.82 | 43.62 (43.5 to 43.8) | 40.54–46.70 |
Range: mean±2SD.
ACD, anterior chamber depth; AL, axial length; e-norms, extrapolated norms; Ks, keratometric readings; LT, lens thickness.