Today, without the «tin», as you asked
There is already a post about how the laser cuts by creating millions of cavitation bubbles in the cornea™ layer of the eye, and analyzing telemetry from the real operation in seconds with comments of the surgeon's actions.
Now FAQ about various related things™
— If I look away while the laser is running, what will happen™?
You simply™ will not work. In fact, immediately after anesthesia, the eye is pressed against a special pneumocapture. To blink at you too will not leave because of fixing™ (it is not long and not for long). The only moment™ where it is possible to seriously disrupt the course™ of the operation is to pull the head down strongly, pulling it out of the headrest by a serious willed™ effort™. In this case, the operation will instantly stop. More precisely, it will stop even before™ the loss of capture (details below).
— How should™ an operating room be prepared?
In general — as a normal™ operating room, that is, a room with a clean area (air filtration, overpressure to prevent contamination from the outside after cleaning). It is important for the procedure that microparticles of dust flying™ in the air do not fall between the laser lens and the eye.