Table 2.
Visual and refractive results — mixed astigmatism | ||||||
---|---|---|---|---|---|---|
Mean ± standard deviation | ||||||
Variable | Wavelight Allegretto Eye-Q | Schwind Amaris 750S | ||||
preop | postop | p value* | preop | postop | p value* | |
UDVA | 0.25 ± 0.14 (0.03 to 0.60) | 0.77 ± 0.20 (0.20 to 1.00) | <0.001 | 0.24 ± 0.12 (0.02 to 0.60) | 0.80 ± 0.21 (0.05 to 1.00) | <0.001 |
CDVA | 0.74 ± 0.22 (0.15 to 1.00) | 0.82 ± 0.21 (0.20 to 1.00) | 0.04 | 0.77 ± 0.20 (0.04 to 0.95) | 0.85 ± 0.21 (0.10 to 1.00) | 0.004 |
sphere (D) | 2.72 ± 1.79 (0.25 to 7.00) | 0.19 ± 0.52 (−1.50 to +1.50) | <0.001 | 3.11 ± 1.57 (0.50 to 7.50) | 0.28 ± 0.45 (−0.75 to 1.00) | <0.001 |
cylinder (D) | −3.84 ± 1.21 (−6.50 to −2.00) | −0.85 ± 0.41 (−2.00 to 0.00) | <0.001 | −3.66 ± 1.16 (−7.00 to −2.00) | −0.58 ± 0.38 (−1.50 to 0.00) | <0.001 |
UDVA = uncorrected distance visual acuity (decimal)
CDVA = corrected distance visual acuity (decimal)
D = diopter
*2-sample z-test assuming unequal variances