Hello
There are different types of laser machines
Your Doctor maybe choosing to operate on the
Ex 500 laser machine
That is one of the reputed companies that makes such machines.
Myopia is minus spectacle number, which is possibly what your daughter has, and is being corrected by laser
Next Steps
Always have a detailed discussion with your own treating Dr rather than confusing yourself with opinions on an open forum.
Health Tips
The outcome will be based on what the number is , so for this you need to discuss patient specific details with your own surgeon.