Keratometric measurement | Preoperative (Mean diopter ± SD) | Postoperative (Mean diopter ± SD) | * p value | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
corneal power | astigmatism | corneal power | astigmatism | corneal power | astigmatism | ||||||||
magnitude | J0 | J45 | magnitude | J0 | J45 | magnitude | J0 | J45 | |||||
WTR | Automated K | 43.65 ± 1.59 | 1.01 ± 0.92 | −0.46 ± 0.46 | 0.05 ± 0.21 | 43.65 ± 1.58 | 0.85 ± 0.74 | −0.32 ± 0.40 | 0.03 ± 0.22 | 0.76 | 0.009 | < 0.001 | 0.75 |
Scheimpflug Anterior K | 43.64 ± 1.59 | 1.10 ± 0.91 | −0.48 ± 0.48 | 0.07 ± 0.22 | 43.60 ± 1.54 | 0.81 ± 0.72 | −0.30 ± 0.40 | 0.04 ± 0.22 | 0.76 | < 0.001 | < 0.001 | 0.39 | |
Scheimpflug Posterior K | −6.39 ± 0.20 | 0.38 ± 0.17 | 0.18 ± 0.09 | −0.03 ± 0.05 | − 6.39 ± 0.18 | 0.38 ± 0.16 | 0.18 ± 0.08 | −0.03 ± 0.06 | 0.62 | 0.97 | 0.72 | 0.78 | |
Scheimpflug EKR 3.0-mm | 43.48 ± 1.58 | 0.85 ± 0.90 | −0.29 ± 0.50 | − 0.01 ± 0.23 | 43.45 ± 1.50 | 0.71 ± 0.63 | −0.12 ± 0.40 | −0.03 ± 0.23 | 0.91 | 0.28 | 0.002 | 0.61 | |
Scheimpflug EKR 4.5-mm | 43.61 ± 1.51 | 0.90 ± 0.74 | −0.33 ± 0.43 | 0.00 ± 0.22 | 43.63 ± 1.57 | 0.68 ± 0.63 | −0.17 ± 0.37 | 0.00 ± 0.22 | 0.59 | 0.004 | < 0.001 | 0.94 | |
Scheimpflug TCRP 2.0-mm ring | 42.94 ± 1.80 | 0.97 ± 1.04 | −0.36 ± 0.55 | 0.02 ± 0.27 | 42.86 ± 1.69 | 0.75 ± 0.67 | −0.15 ± 0.42 | 0.00 ± 0.24 | 0.79 | 0.13 | < 0.001 | 0.90 | |
Scheimpflug TCRP 3.0-mm zone | 42.96 ± 1.79 | 0.91 ± 0.92 | −0.33 ± 0.50 | 0.02 ± 0.25 | 42.88 ± 1.69 | 0.72 ± 0.67 | −0.15 ± 0.41 | 0.00 ± 0.23 | 0.85 | 0.12 | < 0.001 | 0.72 | |
Scheimpflug TCRP 4.0-mm zone | 43.03 ± 1.77 | 0.92 ± 0.82 | −0.34 ± 0.46 | 0.02 ± 0.23 | 42.97 ± 1.72 | 0.66 ± 0.68 | −0.17 ± 0.39 | 0.01 ± 0.21 | 0.97 | < 0.001 | < 0.001 | 0.60 | |
oblique | Automated K | 43.81 ± 1.32 | 0.54 ± 0.27 | −0.04 ± 0.08 | 0.01 ± 0.30 | 43.79 ± 1.35 | 0.52 ± 0.24 | −0.03 ± 0.16 | 0.00 ± 0.24 | 0.74 | 0.66 | 0.86 | 0.70 |
Scheimpflug Anterior K | 43.81 ± 1.29 | 0.70 ± 0.27 | −0.11 ± 0.18 | 0.06 ± 0.32 | 43.83 ±1.32 | 0.59 ± 0.22 | −0.02 ± 0.21 | 0.05 ± 0.24 | 0.97 | 0.037 | 0.06 | 0.60 | |
Scheimpflug Posterior K | −6.46 ± 0.28 | 0.29 ± 0.15 | 0.13 ± 0.07 | −0.01 ± 0.08 | −6.49 ± 0.33 | 0.31 ± 0.17 | 0.12 ± 0.10 | −0.04 ± 0.07 | 0.44 | 0.53 | 0.86 | 0.06 | |
Scheimpflug EKR 3.0-mm | 43.47 ± 1.33 | 0.65 ± 0.29 | 0.02 ± 0.16 | 0.07 ± 0.32 | 43.49 ± 1.16 | 0.65 ± 0.37 | 0.09 ± 0.26 | 0.04 ± 0.26 | 0.94 | 0.81 | 0.35 | 0.55 | |
Scheimpflug EKR 4.5-mm | 43.78 ± 1.32 | 0.65 ± 0.26 | 0.00 ± 0.20 | 0.08 ± 0.29 | 43.82 ± 1.24 | 0.58 ± 0.28 | 0.07 ± 0.20 | 0.02 ± 0.26 | 0.99 | 0.38 | 0.28 | 0.42 | |
Scheimpflug TCRP 2.0-mm ring | 42.83 ± 1.47 | 0.82 ± 0.30 | 0.05 ± 0.19 | 0.08 ± 0.40 | 42.96 ± 1.61 | 0.82 ± 0.34 | 0.16 ± 0.32 | 0.01 ± 0.28 | 0.18 | 0.91 | 0.15 | 0.20 | |
Scheimpflug TCRP 3.0-mm zone | 42.86 ± 1.45 | 0.79 ± 0.28 | 0.02 ± 0.19 | 0.09 ± 0.38 | 42.99 ± 1.61 | 0.78 ± 0.29 | 0.14 ± 0.29 | 0.04 ± 0.28 | 0.24 | 0.96 | 0.10 | 0.38 | |
Scheimpflug TCRP 4.0-mm zone | 43.05 ± 1.37 | 0.72 ± 0.19 | 0.01 ± 0.19 | 0.06 ± 0.33 | 43.14 ± 1.52 | 0.62 ± 0.21 | 0.11 ± 0.22 | 0.02 ± 0.23 | 0.20 | 0.17 | 0.06 | 0.38 | |
ATR | Automated K | 43.64 ± 1.54 | 0.70 ± 0.63 | 0.32 ± 0.31 | 0.05 ± 0.15 | 43.65 ± 1.54 | 0.64 ± 0.52 | 0.24 ± 0.31 | 0.04 ± 0.13 | 0.97 | 0.35 | 0.10 | 0.88 |
Scheimpflug Anterior K | 43.59 ± 1.53 | 0.71 ± 0.62 | 0.28 ± 0.35 | −0.03 ± 0.15 | 43.59 ± 1.59 | 0.61 ± 0.55 | 0.21 ± 0.33 | 0.02 ± 0.13 | 0.78 | 0.021 | 0.024 | 0.17 | |
Scheimpflug Posterior K | −6.35 ± 0.25 | 0.19 ± 0.14 | 0.08 ± 0.08 | −0.02 ± 0.04 | −6.35 ± 0.23 | 0.22 ± 0.18 | 0.10 ± 0.09 | −0.02 ± 0.05 | 0.87 | 0.19 | 0.11 | 0.93 | |
Scheimpflug EKR 3.0-mm | 43.45 ± 1.50 | 0.85 ± 0.54 | 0.34 ± 0.32 | −0.03 ± 0.18 | 43.44 ± 1.59 | 0.79 ± 0.51 | 0.32 ± 0.31 | −0.02 ± 0.16 | 0.81 | 0.35 | 0.63 | 0.99 | |
Scheimpflug EKR 4.5-mm | 43.71 ± 1.51 | 0.79 ± 0.51 | 0.34 ± 0.29 | −0.02 ± 0.15 | 43.77 ± 1.56 | 0.76 ± 0.56 | 0.29 ± 0.35 | −0.02 ± 0.14 | 0.31 | 0.50 | 0.14 | 0.95 | |
Scheimpflug TCRP 2.0-mm ring | 42.88 ± 1.51 | 0.97 ± 0.60 | 0.39 ± 0.36 | −0.05 ± 0.22 | 42.92 ± 1.65 | 0.94 ± 0.63 | 0.39 ± 0.38 | −0.02 ± 0.17 | 0.66 | 0.33 | 0.75 | 0.49 | |
Scheimpflug TCRP 3.0-mm zone | 42.92 ± 1.53 | 0.95 ± 0.57 | 0.39 ± 0.35 | −0.06 ± 0.18 | 42.95 ± 1.66 | 0.91 ± 0.61 | 0.39 ± 0.36 | −0.02 ± 0.15 | 0.72 | 0.44 | 0.67 | 0.57 | |
Scheimpflug TCRP 4.0-mm zone | 43.00 ± 1.54 | 0.86 ± 0.52 | 0.38 ± 0.31 | −0.05 ± 0.14 | 43.08 ± 1.61 | 0.82 ± 0.60 | 0.35 ± 0.34 | −0.01 ± 0.13 | 0.32 | 0.44 | 0.39 | 0.36 |