Table 1.
Baseline patient characteristics.
| LASEK + MMC group | MM LASIK group | Femtosecond LASIK group | |
|---|---|---|---|
| Age, mean (SD), years | 29.5 (5.3) | 25.7 (3.9) | 27.9 (6.6) |
| Gender, M/F | 9 M/7 F | 10 M/3 F | 10 M/7 F |
| Number of eyes | 31 | 23 | 32 |
| UCVA 20/400 or worse, n (%) of eyes | 12 (39%) | 11 (48%) | 18 (56%) |
| BSCVA 20/20, n (%) of eyes | 28 (90%) | 22 (96%) | 26 (77%) |
| Manifest refraction, mean (SD), D | |||
| SEQ | −2.60 (1.05) | −3.26 (1.25) | −4.67 (2.34) |
| Sphere | −2.36 (1.12) | −3.01 (1.24) | −4.42 (2.27) |
| Cylinder | −0.47 (0.61) | −0.50 (0.43) | −0.50 (0.38) |
| HOA, mean (SD), μm | |||
| Coma | 0.15 (0.09) | 0.10 (0.06) | 0.15 (0.14) |
| Trefoil | 0.26 (0.13) | 0.25 (0.15) | 0.23 (0.20) |
| Tetrafoil | 0.09 (0.06) | 0.09 (0.24) | 0.06 (0.05) |
| Spherical | 0.07 (0.05) | 0.07 (0.05) | 0.07 (0.05) |
Abbreviations: D, diopter; F, female; HOA, high-order aberration; LASEK, laser epithelial keratomileusis; LASIK, laser in situ keratomileusis; M, male; MM, mechanical microkeratome; MMC, mitomycin-C; SD, standard deviation; SEQ, spherical equivalent.