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PRK - PhotoRefractive Keratectomy.

PRK is a type of laser eye surgery used to correct mild to moderate nearsightedness, farsightedness and/or astigmatism.


During PRK, a laser is used to reshape the cornea to correct vision errors. PRK is an option for patients whose corneas are too thin for LASIK.

The Procedure

Like other types of laser eye surgery, PRK works by reshaping the cornea using an excimer laser, allowing light entering the eye to properly focus onto the retina for clear vision.

The laser used delivers a cool pulsing beam of ultraviolet light on to the surface of the cornea, not underneath the cornea, as in LASIK, and not flap is created.

The entire outer layer of the cornea is removed. The excimer laser then reshapes the cornea to correct your refractive error.

Following The Procedure

Side effects may occur and may include:

  • Mild discomfort in the first 24 to 48 hours after surgery
  • Sensitivity to light
  • Loss of best vision with or without glasses
  • Mild glare
  • Mild halos around images

Recovery is slower as it takes a few days for cells to regenerate and cover the surface of the eye.


Surgeons at the Mater Private Eye Laser Clinic are highly qualified Consultant Ophthalmologists.

All are fully accredited surgeons with extensive international experience in the use of Excimer Laser and Refractive Surgery.