Table 1 Refractive and corneal astigmatism
From: Prediction of postoperative refractive astigmatism before toric intraocular lens implantation
Preoperative | Postoperative | |||
|---|---|---|---|---|
Mean ± SD | Range | Mean ± SD | Range | |
Refractive astigmatism (D) | -2.42 ± 1.09 | -5.50--0.75 | -2.01 ± 0.86 | -5.00--1.00 |
J0 component (D) | -0.62 ± 1.10 | -2.55-1.62 | -0.44 ± 0.94 | -2.49-1.37 |
(The absolute value) | (1.11 ± 0.59) | (0.12-2.55) | (0.93 ± 0.48) | (0.09-2.49) |
J45 component (D) | 0.04 ± 0.41 | -1.03-1.15 | -0.03 ± 0.32 | -0.86-0.49 |
(The absolute value) | (0.31 ± 0.28) | (0.00-1.15) | (0.26 ± 0.19) | (0.00-0.86) |
Corneal astigmatism (D)* | -1.88 ± 0.57 | -4.40--1.50 | -1.79 ± 0.72 | -4.30--0.90 |
J0 component (D) | -0.29 ± 0.88 | -2.18-1.18 | -0.27 ± 0.87 | -2.14-1.20 |
(The absolute value) | (0.86 ± 0.34) | (0.21-2.18) | (0.82 ± 0.40) | (0.03-2.14) |
J45 component (D) | 0.03 ± 0.31 | -0.52-0.72 | 0.01 ± 0.31 | -0.63-0.62 |
(The absolute value) | (0.26 ± 0.18) | (0.00-0.72) | (0.26 ± 0.17) | (0.00-0.63) |