Table 2: CDVA, and mean keratometric indices between the two groups.

Mean ± SD CDVA (logMAR) Mean Km (D)
- 1 2 P (1-2) 1 2 P (1-2)
Pre-operative 0.332 ± 0.09 0.35 ± 0.09 0.2 51.05 ± 0.08 49.97 D ± 1.98 0.6
3 months 0.324 ± 0.08 0.29 ± 0.08 0.2 50.50 ± 2.96 48.8 ± 2.99 0.7
6 months 0.31 ± 0.08 0.28 ± 0.05 0.45 49.77 ± 2.95 47.41 ± 3.16 0.75
12 months 0.241 ± 0.07 0.21 ± 0.07 0.75 48.85 ± 2.99 46.32 ± 3.21 0.08
P value (preoperative-12 months) < 0.001 < 0.001 < 0.001 < 0.001

*Mean Km=Mean keratometry, CDVA=Corrected Distance Visual Acuity, SD=Standard Deviation