Table 5: Vector analysis of refractive astigmatism (follow-up: 3 months, ).

Vector parameterMean ± SD
(range)

Intended refractive correction [D]0.86 ± 0.83
(0 to 5.25)
Surgically induced refractive correction [D]0.92 ± 0.76
(0 to 5.71)
Error vector [D]0.23 ± 0.29
(0 to 2.00)
Correction ratio1.02 ± 0.43
(0 to 4.12)
Error of magnitude [D]0.04 ± 0.27
(−1.25 to 1.25)
Error of angle [°]0.00 ± 14.86
(−85.15 to 84.03)
Absolute error of angle [°]4.97 ± 14.00
(0 to 84.03)
Axis shift [°]0.13 ± 28.52
(−89.00 to 89.00)

SD: standard deviation; D: diopters.