Answer:
LASIK is an outpatient, surgical procedure. LASIK uses an excimer laser (an ultraviolet laser) to remove a thin layer of corneal tissue. This gives the cornea a new shape so that light rays are focused clearly on the retina. LASIK causes the cornea to be thinner.
I hope that helps!
this is true! someone can have it and not have any presentable symptoms
Your lungs can begin to clean themselves
