Comparison of Outcomes after Phacoemulsification with Two Different Corneal Incision Distances Anterior to the Limbus

Table 4

Corneal aberrations in the two groups (μm, mean ± SD).

	Preoperative	Postoperative (3 mo)	value
Total aberration RMS
Group A	2.760 ± 1.624	2.753 ± 1.758	0.96
Group B	2.825 ± 2.040	3.140 ± 2.063	0.04
value	0.90	0.48
Total HOA RMS
Group A	0.875 ± 0.383	1.014 ± 0.402	0.006
Group B	0.883 ± 0.476	0.976 ± 0.428	0.13
value	0.95	0.75
Spherical aberration ()
Group A	0.442 ± 0.193	0.423 ± 0.197	0.274
Group B	0.408 ± 0.217	0.395 ± 0.189	0.54
value	0.56	0.61
Oblique trefoil ()
Group A	−0.014 ± 0.193	−0.149 ± 0.359	0.08
Group B	0.020 ± 0.246	0.003 ± 0.401	0.87
value	0.59	0.16
Vertical trefoil ()
Group A	−0.199 ± 0.302	−0.394 ± 0.274	0.003
Group B	−0.171 ± 0.241	0.259 ± 0.351	0.15
value	0.71	0.13
Horizontal coma ()
Group A	−0.054 ± 0.195	−0.041 ± 0.206	0.66
Group B	0.017 ± 0.183	0.075 ± 0.180	0.016
value	0.19	0.04
Vertical coma ()
Group A	0.345 ± 0.332	0.312 ± 0.315	0.33
Group B	0.331 ± 0.535	0.303 ± 0.463	0.59
value	0.91	0.94

RMS = root mean square; HOA = higher-order aberration. Statistically significant at .