Table 4 Post-TPRK changes in corneal biomechanical properties (CH and CRF)
Time of follow-up | CH Mean ± SD (range) | CRF Mean ± SD (range) |
|---|---|---|
Pre-PRK | 8.60 ± 1.56 (7.80 to 11.20) | 9.20 ± 1.66 (8.30 to 11.50) |
1st month post-TPRK | 8.49 ± 1.50 (7.36 to 10.84) | 9.05 ± 1.80 (7.38 to 10.90) |
3rd month post-TPRK | 8.48 ± 1.70 (7.36 to 10.84) | 9.01 ± 1.40 (7.38 to 10.90) |
6th month post-TPRK | 8.47 ± 1.60 (7.30 to 10.70) | 8.97 ± 1.50 (7.28 to 10.90) |
12th month post-TPRK | 8.46 ± 1.57 (7.29 to 10.60) | 8.96 ± 1.50 (7.29 to 10.87) |
P-value | 0.972 | 0.823 |