Table 4 Comparison of internal optical aberrations between the 2 groups at 3 months postoperatively

Total internal optical aberration (mean ± SD, μ)

0.596 ± 0.560

0.495 ± 0.287

0.412

Internal astigmatism (mean ± SD, μ)

0.441 ± 0.350

0.361 ± 0.240

0.333

Total internal HOA (mean ± SD, μ)

0.366 ± 0.469

0.305 ± 0.217

0.549

Internal coma (mean ± SD, μ)

0.200 ± 0.301

0.216 ± 0.185

0.825

Vertical internal coma (mean ± SD, μ)

0.169 ± 0.291

0.162 ± 0.163

0.908

Horizontal internal coma (mean ± SD, μ)

0.089 ± 0.099

0.113 ± 0.126

0.449

Internal trefoil (mean ± SD, μ)

0.184 ± 0.236

0.111 ± 0.115

0.162

Internal sphere aberration (mean ± SD, μ)

0.067 ± 0.145

0.070 ± 0.060

0.913

aMTF

0.296 ± 0.099

0.267 ± 0.069

0.230

SR

0.06748 ± 0.04409

0.04999 ± 0.02703

0.088