Vector Analysis of the Effects of FS-LASIK and Toric ICL for Moderate to High Astigmatism Correction

Table 2

Vector parameters for FS-LASIK and Toric ICL.

	FS-LASIK group ()	Toric ICL group ()	value
IRC	2.00 ± 0.50 (1.01 to 3.00)	1.86 ± 0.76 (0.77 to 1.86)	0.47
SIRC	1.95 ± 0.48 (1.01 to 3.00)	1.76 ± 0.81 (0.77 to 3.30)	0.36
EV	0.25/0.00/0.31 (0 to 0.97)	0.00/0.00/0.49 (0 to 1.29)	0.86^#
CR	1.00/0.91/1.00 (0.69 to 1.28)	1.00/1.00/0.92 (0.41 to 1.21)	0.96^#
ER	0.12/0.00/0.19 (0 to 0.39)	0.00/0.00/0.30 (0 to 0.61)	0.92^#
EM	0.00/0.00/0.17 (−0.47 to 0.77)	0.00/0.00/0.22 (−0.35 to 1.24)	0.98^#
EA	0.00/−2.00/0.00 (−10 to 8)	0.00/−4.25/0.00 (−14 to 13)	0.81^#

RC: intended refractive correction; SIRC: surgically induced refractive correction; EV: error vector; CR: correction ratio; ER: error ratio; EM: error of the magnitude; normal distribution variables: mean ± SD (range); abnormal distribution variables: median/Q25/Q75 (range); ^#Mann–Whitney U test; independent sample T-test.