Table 1.
Demographic characteristics of subjects who underwent LASIK
| Variables | Mean ± SD or number | Range or proportion |
|---|---|---|
| Age (years) | 36.0±11.0 | 20–65 |
| Sex (male/female) | 72/141 | 34%/66% |
| Smoking status (never/previous/current) | 138/50/23 | 65%/24%/11% |
| Alcohol intake (never/sometimes/often) | 70/115/28 | 33%/54%/13% |
| Type of refractive error correction (SCL/HCL/glasses/no correction) | 150/30/27/6 | 70.4%/14.1%/12.7%/2.8% |
| Period of CL use (years) | 14.4±7.5 | 1.0–38.0 |
| BCVA in the right eye (logMAR) | −0.12±0.11 | −0.3–0.7 |
| Pupil diameter right eye (mm) | 6.28±0.83 | 3.25–8.16 |
| Axial length right eye (mm) | 25.85±1.13 | 23.25–29.54 |
Abbreviations: LASIK, laser in situ keratomileusis; SD, standard deviation; SCL, soft contact lens; HCL, hard contact lens; CL, contact lens; BCVA, best-corrected visual acuity; logMAR, logarithm of the minimum angle of resolution; NCVA, noncorrected visual acuity; BUT, tear break-up time.