This procedure was once of the most common ways to correct nearsightedness. But with the rise of more effective procedures like LASEK, LASIK and PRK, it’s now considered outdated.
People who have had RK may have later complications such as fluctuations of vision. Cornea collagen crosslinking may help reduce the fluctuations.
To better understand your options, see Am I a Candidate for Refractive or Laser Eye Surgery?