Table 3 Mean corneal stromal thickness changes after LASIK Xtra
Mean ± SD | ||||
|---|---|---|---|---|
Parameter | Pre-op | 6-month Post-op | 12-month Post-op | P value |
Central (μm) | 496.22 ± 22.94 | 424.39 ± 27.03* | 429.11 ± 26.04* | < 0.001 |
Inner Inferior (μm) | 507.72 ± 23.32 | 461.17 ± 21.49* | 464.83 ± 23.92* | < 0.001 |
Inner Inferior-nasal (μm) | 512.44 ± 23.98 | 464.28 ± 26.22* | 448.11 ± 94.66* | < 0.001 |
Inner Nasal (μm) | 518.22 ± 24.22 | 469.83 ± 29.03* | 475.50 ± 29.55* | < 0.001 |
Inner Superior-nasal (μm) | 528.56 ± 24.44 | 483.00 ± 28.54* | 485.50 ± 29.70* | < 0.001 |
Inner Superior (μm) | 530.78 ± 24.29 | 489.50 ± 28.47* | 492.56 ± 25.93* | < 0.001 |
Inner Superior-temporal (μm) | 520.22 ± 23.26 | 477.11 ± 27.47* | 478.56 ± 25.10* | < 0.001 |
Inner Temporal (μm) | 506.94 ± 23.62 | 461.67 ± 25.48* | 462.83 ± 23.70* | < 0.001 |
Inner Inferior-temporal (μm) | 504.11 ± 23.09 | 458.83 ± 21.50* | 460.17 ± 22.51* | < 0.001 |
Outer Inferior (μm) | 536.57 ± 28.09 | 512.17 ± 18.80* | 511.00 ± 25.84* | 0.016 |
Outer Inferior-nasal (μm) | 533.22 ± 24.41 | 516.83 ± 25.77* | 516.44 ± 30.19* | 0.023 |
Outer Nasal (μm) | 538.44 ± 24.84 | 525.67 ± 28.24* | 525.11 ± 36.98 | 0.090 |
Outer Superior-nasal (μm) | 545.72 ± 24.70 | 543.83 ± 24.45 | 535.33 ± 44.19 | 0.114 |
Outer Superior (μm) | 560.67 ± 25.75 | 554.72 ± 25.97 | 549.22 ± 33.33 | 0.220 |
Outer Superior-temporal (μm) | 568.39 ± 23.29 | 531.83 ± 30.09 | 528.22 ± 33.49 | 0.100 |
Outer Temporal (μm) | 528.28 ± 23.27 | 504.56 ± 30.25* | 502.94 ± 31.22 | 0.050 |
Outer Inferior-temporal (μm) | 525.44 ± 23.12 | 504.39 ± 20.27* | 507.39 ± 30.98* | 0.023 |