Table 3.
Preoperative and Postoperative Corneal Hysteresis and Corneal Resistance Factor Measurements
| Patient | CH | CRF | ||||||
|---|---|---|---|---|---|---|---|---|
| Preop | 1m | 6m | 1y | Preop | 1m | 6m | 1y | |
| 1 | 5.4 | 9 | 6.9 | 2.7 | 7.4 | 5.9 | ||
| 2 | 9.9 | 9.7 | 16.1 | 13.1 | 10.1 | 8.6 | 15.5 | 12.1 |
| 3 | 7.3 | 7.8 | 8.5 | 5.3 | 6.2 | 8.1 | 7.7 | 5.9 |
| 4 | 5.7 | 9.2 | 11.1 | 11.1 | 3.4 | 8.7 | 9.3 | 8.6 |
| 5 | 4.3 | 5.6 | 6 | 7.2 | 2.9 | 6 | 5.7 | 6.4 |
| 6 OD | 8.4 | 10.4 | 8.9 | 7.8 | 7.9 | 10.1 | 8.2 | 7.9 |
| 6 OS | 8.1 | 10.8 | 12.5 | 9.8 | 6.5 | 10.3 | 11.6 | 9.6 |
| Mean | 7.01 | 8.93 | 10.00 | 9.05 | 5.67 | 8.46 | 9.13 | 8.42 |
| SD | 1.82 | 1.63 | 3.25 | 2.59 | 2.60 | 1.39 | 3.46 | 2.07 |
| Range | 4.3–9.9 | 5.6–10.8 | 6–16.1 | 5.3–13.1 | 2.7–10.1 | 6–10.3 | 5.7–15.5 | 5.9–12.1 |
| P-value | 0.01* | 0.01* | 0.16 | 0.01* | 0.005* | 0.05* | ||
Note: *Statistically significant.
Abbreviations: CH, Corneal hysteresis; CRF, corneal resistance factor.