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Maximum backscattered light intensity depth.
| SMILE (n = 30) | Femto-LASIK (n = 30) | P | |
|---|---|---|---|
| Mean (µm) ± SD | Mean (µm) ± SD | ||
| Week 1 | 125.10 ± 27.50 | 115.60 ± 19.65 | 0.180 |
| Month 1 | 119.42 ± 23.13 | 129.47 ± 30.19 | 0.235 |
| Month 3* | 108.00 ± 22.49 | 132.41 ± 28.64 | 0.02 |
| Month 6* | 106.44 ± 27.37 | 142.11 ± 27.26 | 0.01 |
Independent samples t test.
n: number of eyes; µm: micrometer; SD: standard deviation.
*The difference between the two groups is statistically significant.
