best laser eye surgery

what exactly is lasik eye laser surgery?does it hurt?whalasik is it best to do it?

lasik is reshaping of cornea i,e front part of eye to reduce the power of glasess used by patient . after 20 years of age if the eye power or glasses number is stable for 2 years. also to do lasik the patients eyes should not hav some other problems and number must be less than minus 8 0r 9
it hurts minimally
but hurt is subjective
u,r dr will tell that better
lasik is reshaping of cornea with keratome and examer laser