Table 3

Comparison of the mean (±SD) irregular astigmatism components of the total cornea between eyes that underwent a 2.4 mm nasal clear corneal incision (CCI; nasal CCI group) and eyes that underwent a 2.4 mm temporal CCI (temporal CCI group)

Nasal CCI groupTemporal CCI groupP values
Higher order irregularity component
 Preoperatively0.15±0.04 0.16±0.060.1114
 2 days postoperatively0.31±0.10 0.24±0.100.0015*
 2 weeks postoperatively0.22±0.06 0.19±0.090.0814
 4 weeks postoperatively0.20±0.07 0.17±0.050.0202*
 8 weeks postoperatively0.18±0.06 0.17±0.060.3320
Asymmetry component
 Preoperatively0.45±0.21 0.51±0.330.2917
 2 days postoperatively0.70±0.34 0.75±0.470.5950
 2 weeks postoperatively0.50±0.21 0.50±0.250.9651
 4 weeks postoperatively0.48±0.19 0.49±0.290.8280
 8 weeks postoperatively0.46±0.21 0.48±0.270.7315
  • *Statistically significant difference between groups.