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Table 3 Vector Analysis of astigmatism at 3-Month Postoperatively

From: Comparison of clinical outcomes of toric intraocular lens, Precizon vs Tecnis: a single center randomized controlled trial

Parameters

Mean ± SD (range)

p value

Precizon

Tecnis

TIA (D)

1.41 ± 0.49 (0.54 to 2.30)

1.41 ± 0.43 (0.75 to 2.18)

0.982

SIA (D)

1.35 ± 0.52 (0.53 to 2.15)

1.57 ± 0.79 (0.70 to 2.84)

0.468

DV (D)

0.31 ± 0.23 (0.01 to 0.76)

0.42 ± 0.26 (0.01 to 0.82)

0.343

Correction index (SIA/TIA)

0.97 ± 0.25 (0.62 to 1.45)

1.08 ± 0.27 (0.67 to 1.49)

0.377

Magnitude of error (arithematic SIA/TIA)

−0.06 ± 0.34 (− 0.58 to 0.46)

0.16 ± 0.45 (− 0.45 to 0.81)

0.233

Angle of error (degree)

0.19 ± 4.80 (− 6.7 to 14.4)

−2.78 ± 6.71 (− 20.4 to 1.6)

0.274

Absolute angle of error (degree)

2.42 ± 4.10 (0.00 to 14.4)

3.18 ± 6.52 (0.10 to 20.40)

0.761

Index of success (DV/TIA)

0.23 ± 0.20 (0.02 to 0.75)

0.30 ± 0.20 (0.01 to 0.68)

0.470

  1. SD standard deviation, TIA target induced astigmatism, SIA Surgically induced astigmatism, DV difference vector