Table 1. Display of basic characteristics of excimer lasers available on the market.
| CHARACTERISTICS | WAVELIGHT EX500 | SCHWIND AMARIS 1050 | MEL 90 | STAR S4 IR (VISX) | TECHNOLAS TENEO 317 M2 | NIDEK Quest/EC-5000 CX III |
|---|---|---|---|---|---|---|
| Ablation type | „Flying spot“ | „Flying spot“ | „Flying spot“ | Adjustable spot size | „Flying spot“ | „Scanning slit“ |
| Beam profile | Ultra-thin Gaussian profile | Super Gaussian Profile | Gaussian Profile | Gaussian Profile | Truncated Gaussian profile | Gaussian Profile |
| Spot size (mm) | 0,68 | 0,54 | 0,7 | 0,65-6,5 | 1 | 1 |
| Pulse frequency | 500 | 1050 | 250/500 | 10-20 | 500 | 100 |
| Eye tracker implying rate (Hz) | 1050 | 1050 | 1050 | 60 | 1740 | 200/1000 |
| Characteristics of eye tracking system | 6D tracking system | 7D tracking system | Registration of pupil edge and limbus | 3D tracking system | 6D tracking system | 6D tracking system |