Iris Registration
-The Eye may rotate when you lie down
-This rotation or torsion of the eye can be compensated for with iris registration
-The laser registers unique features in your iris. It uses this rotation to compensate for any rotation you may have during surgery
-Only the VISX Star S4 System has iris registration.
Other Advantages
- Variable Spot Scanning- accurately delivers different treatment sizes.
-Variable repetition Rate-this varies the rate of the treatment to accurately treat your eye
-Tissue sparing algorithms-preserves as much of you natural tissue as possible.
-3-D Active track with auto centering.