Involve forming a corneal flap with femtosecond laser, it is less painful than the PRK and the visual rehabilitation is faster, however patient could suffer from flap complications (incomplete, dislodged, eccentric, button hole).
IS LASIK SAFE?
LASIK is a very safe and successful procedure, with 97% of patients achieving 20/40 vision (driving performance). Only 0.3% of patients might lose 2 or more lines of vision due to LASIK complications. LASIK surgery involves creating a corneal flap, and most of the LASIK complications are related to the flap, and it is almost 0.1%
Ectasia (bulging of the cornea) is one of the most serious side effects of LASIK, however the incidence of this complication is very low (almost 1/10000) especially with current advanced diagnostic instruments.
HOW OLD DO YOU HAVE TO BE TO GET LASIK?
LASIK is recommended for patients age 21 year-old and above