Table 2.
Group comparisons preoperatively
| Preoperative | ||||
|---|---|---|---|---|
| Parameter | CG | SG1 | SG2 | p |
| CCT (μm) | 529 ± 21 | 532 ± 28 | 539 ± 24 | 0.34 |
| CCS (cm) | 5.45 ± 0.72 | 5.39 ± 0.58 | 5.41 ± 0.73 | 0.44 |
| TBUT (secs) | 9.21 ± 0.99 | 8.94 ± 1.11 | 9.01 ± 1.05 | 0.35 |
| FBS | NA | NA | NA | NA |
| BD | NA | NA | NA | NA |
| SS | NA | NA | NA | NA |
| TS | NA | NA | NA | NA |
| SDI | NA | NA | NA | NA |
CCT = Central Corneal Thickness; CCS = Central Corneal Sensitivity; TBUT = Tear Break-up Time; FBS = Foreign Body Sensation; BD = Blinking Discomfort; SS = Stinging Sensation; TS = Tearing Sensation; SDI = Subjective Discomfort Index