the use of the laser in the eyes with its benefits and harms

we all know that the laser is very important in the correction of
the eyes,so we will show the benefits of this correction on the eyes
firstly, the laser of the eyes berform to accuracy and speed healing
of the cornea and the return of the patient to exercise its activity
within 24 hours and the scarcity of any setback in the eyes.
secondly, we will show the harms that laser do ine eyes,these
Processes differ from person to another,so it may lead to
increased eye pressure fluids And the patients need to corneal
transplantation to treat the problem,and there are another cases
that lead to the drought of the eyes,but this hardly happen.
so we should avoid these harms by follow the advises of the doctor befor the surgery and after it.