Table 2.
Tolerance, Retention Times, and Changes in Pain Severity
| Intolerance to ring | Patient no. | Eye | ProKera | Days of retention | Pain | Follow-up (months) | |
|---|---|---|---|---|---|---|---|
| Before | After | ||||||
| − | 1 | OS | PKS | 7 | 4 | 2 | 9.0 |
| − | 2 | OD | PKS | 5 | 9 | 0 | 9.0 |
| − | 4 | OS | PKC | 14 | 1.5 | 0 | 7.6 |
| − | 5 | OD | PKC | 6 | 5 | 0 | 8.0 |
| − | 6 | OS | PKS | 7 | 9 | 3 | 10.1 |
| − | 9 | OS | PKS | 6 | 5 | 1.5 | 13.8 |
| Mean ± SEM | 7.5 ± 1.34 | 5.58 ± 1.20 | 1.08 ± 0.52 | ||||
| + | 3 | OS | PKS | 6 | 8 | 1.5 | 8.1 |
| + | 6 | OD | PKS | 5 | 9 | 4 | 10.0 |
| + | 8 | OD | PKS | 2 | 7 | 5 | 8.4 |
| Mean ± SEM | 4.33 ± 1.20 | 8 ± 0.58 | 3.5 ± 1.04 | ||||
| +++ | 7 | OD | PKS | 0 | 5 | same-day removal | - |
OD= right eye; OS= left eye; PKC= ProKera Clear; PKS= ProKera Slim; SEM= standard error of the mean