Table 2.
Laser parameters set during SMILE in various treatment modes
| Laser parameter | Expert modea | Standard modeb | Fast modec |
|---|---|---|---|
| Pulse energy | 140–200 nJ | 130 nJ | 170 nJ |
| Energy offset (1 offset = 5 nJ) | 28–40 | 26 | 34 |
| Track distance | Lenticule and cap cuts: 4.5 ± 0.5 µm | Lenticule and cap cuts: 3 µm | Lenticule and cap cuts: 4.5 µm |
| Lenticule and cap side cuts: 2 ± 0.5 µm | Lenticule and cap side cuts: 2 µm | Lenticule and cap side cuts: 2 µm | |
| Spot distance | Lenticule and cap cuts: 4.5 ± 0.5 µm | Lenticule and cap cuts: 3 µm | Lenticule and cap cuts: 4.5 µm |
| Lenticule and cap side cuts: 2 ± 0.5 µm | Lenticule and cap side cuts: 2 µm | Lenticule and cap side cuts: 2 µm |
Notes:
a
The expert mode allows the surgeon to vary the “fast” mode settings within a certain range.
b
The standard settings are preset by the manufacturer.
c
The fast settings are set by the application specialist and may vary from surgeon to surgeon.
Abbreviation: SMILE, small incision lenticule extraction.