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Estimated ablation depth and ablative volume for a given refraction during PRK and trans-PRK.
| Refraction (D) | Optical zone (mm) | PRK |
TransPRK |
||
|---|---|---|---|---|---|
| Central ablation depth (μm) | Ablative volume (nl) | Central ablation depth (μm) | Ablative volume (nl) | ||
| −10 | 6 | 132 | 2512 | 187 | 5733 |
| −5 | 6 | 66 | 1088 | 121 | 3487 |
| −1 | 6 | 14 | 200 | 69 | 1978 |
| 0 | 6 | –a | – | 55 | 1753 |
| 0 | 6.5 | – | – | 55 | 2065 |
| 0 | 7 | – | – | 55 | 2411 |
| 0 | 7.5 | – | – | 55 | 2780 |
– Not applicable.
