Skip to main content
. 2022 Dec 14;22:487. doi: 10.1186/s12886-022-02707-1

Table 2.

Visual acuities and refractive errors

Non-Toric Toric P value†
Preoperative UCVA (logMAR)
Mean ± SD 0.43 ± 0.24 0.34 ± 0.11 0.44
95% CI 0.25, 0.61 0.26, 0.43
Postoperative UCVA (logMAR)
Mean ± SD 0.45 ± 0.31 0.14 ± 0.15 0.021
95% CI 0.21, 0.69 0.02, 0.25
Change in UCVA (logMAR)
Mean ± SE 0.02 ± 0.06 -0.21 ± 0.06
95% CI -0.12, 0.17 -0.33, -0.08
P values$ 1.00 0.020
Preoperative BCVA (logMAR)
Mean ± SD 0.20 ± 0.13 0.19 ± 0.15 1.00
95% CI 0.10, 0.30 0.08, 0.31
Postoperative BCVA (logMAR)
Mean ± SD 0.04 ± 0.06 0.02 ± 0.06 0.35
95% CI 0.00, 0.09 -0.02, 0.06
Change in BCVA (LogMAR)
Mean ± SE -0.16 ± 0.04 -0.17 ± 0.05
95% CI -0.24, -0.08 -0.28, -0.07
P values$ 0.0078 0.016
Preoperative refractive spherical error (D)
Mean ± SD 1.11 ± 0.91 1.33 ± 1.85 0.72
95% CI 0.41, 1.81 -0.09, 2.75
Postoperative refractive spherical error (D)
Mean ± SD 1.03 ± 0.75 0.19 ± 0.56 0.036
95% CI 0.45, 1.61 -0.23, 0.62
Change in refractive spherical error (D)
Mean ± SE -0.08 ± 0.35 -1.14 ± 0.62
95% CI -0.90, 0.73 -2.57, 0.30
P values$ 0.77 0.16
Preoperative refractive astigmatism (D)
Mean ± SD -2.25 ± 0.68 -2.39 ± 0.50 0.71
95% CI -1.72, -2.78 -2.00, -2.77
Postoperative refractive astigmatism (D)
Mean ± SD -2.03 ± 0.63 -0.67 ± 0.53 0.0014
95% CI -2.51, -1.54 -1.07, -0.26
Change in refractive astigmatism (D)
Mean ± SE 0.22 ± 0.32 + 1.72 ± 0.25
95% CI -0.52, 0.97 1.14, 2.30
P values$ 0.45 0.0039
Preoperative SERE (D)
Mean ± SD 0.01 ± 0.59 -0.14 ± 0.41 0.40
95% CI -0.44, 0.47 -0.45, 0.17
Postoperative SERE (D)
Mean ± SD -0.01 ± 0.87 0.14 ± 1.69 0.69
95% CI -0.68, 0.66 -1.16, 1.43
Change in SERE (D)
Mean ± SE 0.03 ± 0.31 -0.28 ± 0.59
95% CI -0.68, 0.73 -1.63, 1.08
P values$ 0.81 0.61