Research Article

Long-Term Visual Quality and Pupil Changes after Small-Incision Lenticule Extraction for Eyes without Preoperative Cylinder Refraction

Table 5

High ocular aberrations preoperative and postoperatively.

Preoperative6-month30-month

tHOA (RMS, μm)Scotopic0.43 ± 0.180.65 ± 0.180.64 ± 0.14
4 mm0.10 ± 0.060.12 ± 0.040.13 ± 0.04
6 mm0.27 ± 0.100.42 ± 0.110.43 ± 0.12

Coma (, μm)Scotopic−0.11 ± 0.30−0.40 ± 0.72−0.36 ± 0.71
4 mm−0.01 ± 0.11−0.12 ± 0.13−009 ± 0.14
6 mm−0.09 ± 0.18−0.31 ± 0.48−0.27 ± 0.48

Coma (, μm)Scotopic−0.06 ± 0.700.43 ± 0.590.28 ± 0.54
4 mm0.03 ± 0.210.17 ± 0.150.18 ± 0.17
6 mm−0.01 ± 0.470.46 ± 0.400.37 ± 0.42

Trefoil (, μm)Scotopic0.13 ± 0.470.29 ± 0.420.27 ± 0.46
4 mm−0.01 ± 0.100.06 ± 0.100.06 ± 0.12
6 mm0.04 ± 0.270.18 ± 0.270.23 ± 0.31

SA (, μm)Scotopic0.50 ± 0.48−1.01 ± 0.67−1.15 ± 0.31
4 mm−0.04 ± 0.07−0.06 ± 0.06−0.07 ± 0.07
6 mm−0.24 ± 0.28−0.46 ± 0.29−0.52 ± 0.32

Tetrafoil (, μm)Scotopic−0.02 ± 0.200.07 ± 0.140.08 ± 0.16
4 mm−0.02 ± 0.070.02 ± 0.070.01 ± 0.07
6 mm−0.02 ± 0.130.05 ± 0.130.07 ± 0.14

“Scotopic” in this table means scotopic pupil diameter measured by WASCA. Only value <0.05 is shown in the table and indicates significant difference between the two follow-ups (subscript). Unit of all indices is µm.