Table 2 Features of the successive generations of Excimer Lasers
From: Excimer laser 6th generation: state of the art and refractive surgical outcomes
1st Generation: | Pre-clinical (Touton, VISX, Summit) |
2nd Generation: | Broad beam laser, fixed optical zone |
3rd Generation: | Broad beam laser, variable optical zone, multizone treatment |
4th Generation: | Flying spot laser, built in tracker, hyperopic treatment |
5th Generation: | Customised wavefront (guided, optimised) treatments |
6th Generation: | • Faster ablation rates & tracking systems |
• Lower biological interaction | |
• More variables under control | |
• Pupil size | |
• Advanced ablation profiles | |
• Ciclotorsion control | |
• Online pachymetry |