Table 2. Mean values during 1-year’s follow-up.
| Parameter | Preoperative (n = 28 eyes) | Postoperative | ||||
|---|---|---|---|---|---|---|
| 1 Week (n = 16 eyes) P* | 1 Month (n = 21 eyes) P* | 3 Months (n = 23 eyes) P* | 6 Months (n = 25 eyes) P* | 12 Months (n = 12 eyes) P* | ||
| UDVA (logMAR) | 1.02 ± 0.55 | 0.78 ± 0.49 | 0.70 ± 0.49 | 0.79 ± 0.43 | 0.74 ± 0.41 | 0.58 ± 0.34 |
| (P = 0.119) | (P = 0.023) | (P = 0.243) | (P = 0.022) | (P=0.023) | ||
| CDVA (logMAR) | 0.31 ± 0.35 | 0.28 ± 0.31 | 0.26 ± 0.25 | 0.20 ± 0.24 | 0.19 ± 0.18 | 0.15 ± 0.19 |
| (P = 0.205) | (P = 0.804) | (P = 0.236) | (P = 0.089) | (P = 0.056) | ||
| Spherical Equivalent (D) | −6.23 ± 3.81 | −5.33 ± 3.36 | −4.75 ± 2.60 | −5.04 ± 2.97 | −4.83 ± 2.91 | −5.35 ± 3.41 |
| (P = 0.751) | (P = 0.258) | (P = 0.444) | (P = 0.087) | (P = 0.241) | ||
| Intracular pressure (mm Hg) | 12.29 ± 3.16 | 14.70 ± 2.99 | 13.78 ± 2.11 | 11.05 ± 3.12 | 10.74 ± 3.46 | 10.68 ± 3.72 |
| (P = 0.305) | (P = 0.942) | (P = 0.409) | (P=0.050) | (P = 0.359) | ||
| ECD (cells/mm2) | 3264.67 ± 382.09 | 3268.35 ± 371.55 | 3291.92 ± 366.84 | 3249.56 ± 386.30 | 3173.89 ± 467.56 | 3303.92 ± 309.67 |
| (P = 0.786) | (P = 0.540) | (P = 0.749) | (P = 0.968) | (P = 0.621) | ||
| Kmax (D) | 56.18 ± 7.90 | 54.56 ± 8.81 | 55.78 ± 8.11 | 56.37 ± 8.71 | 55.80 ± 7.92 | 55.47 ± 8.24 |
| (P = 0.053) | (P = 0.274) | (P = 0.821) | (P = 0.763) | (P = 0.916) | ||
| Astigmatism (D) | 2.64 ± 1.90 | 2.57 ± 1.60 | 2.76 ± 2.11 | 2.88 ± 1.83 | 3.06 ± 2.09 | 2.74 ± 2.02 |
| (P = 0.973) | (P = 0.414) | (P = 0.549) | (P = 0.078) | (P = 0.829) | ||
| Thinnest point (μm) | ||||||
| OCT | 443.18 ± 39.75 | 447.21 ± 43.43 | 442.40 ± 40.83 | 441.16 ± 34.55 | 441.13 ± 37.10 | 439.04 ± 44.99 |
| (P = 0.019) | (P = 0.060) | (P = 0.781) | (P = 0.211) | (P = 0.109) | ||
| Rotating Scheimpflug tomography | 459.46 ± 37.52 | 466.95 ± 41.24 | 459.76 ± 36.66 | 451.50 ± 33.68 | 460.46 ± 38.72 | 454.78 ± 44.48 |
| (P = 0.442) | (P = 0.769) | (P = 0.757) | (P = 0.878) | (P = 0.376) | ||
| Corneal Posterior Surface Elevation | 44.35 ± 26.71 | 37.75 ± 26.55 | 42.81 ± 28.44 | 42.71 ± 28.15 | 45.17 ± 28.75 | 41.13 ± 28.49 |
| (P = 0.356) | (P = 0.048) | (P = 0.412) | (P = 0.919) | (P = 0.581) | ||
UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity; logMAR, logarithm of the minimal angle of resolution; D, diopters; ECD, endothelial cell density; Kmax, maximum K value; OCT, optical coherence tomography.
*Compared with preoperative.