Sphere | Cylinder | |||||
---|---|---|---|---|---|---|
Mean | SD | Range | Mean | SD | Range | |
Preoperative | −0.8 | 3.1 | −6 to +6.5 | −2.28 | 2.0 | −7 to +0.5 |
Month 1 | −0.46 | 3.09 | −6 to +5 | −1.78 | 1.41 | −6.75 to 0.0 |
Month 6 | +0.19 | 3.5 | −6.75 to +6 | −1.4 | 1.95 | −1.75 to −1.5 |
Month 12 | −0.07 | 1.23 | −1.75 to +1.5 | −1.8 | 1.9 | −6 to 0.0 |