The PKR technique was the first technique to be used for treating refractive defects; it was invented at the beginning of the nineties.

The surgery is performed using local anaesthetic drops, after which the surgeon removes the superficial layer of the cornea (the epithelium) and uses the Excimer laser (a beam of cold light in the ultraviolet range) to remodel the underlying tissue. The surgery lasts approximately 5 minutes. Immediately after the surgery the surgeon inserts some therapeutic lenses that act as a dressing. These contact lenses are usually worn for the first 3 to 5 days after the operation to reduce any discomfort that occurs, as the cornea does not have an epithelium.

Recovery time

In addition to using therapeutic contact lenses you will receive antibiotic, anti-inflammatory eye drops that must be used in accordance with the clinic’s instructions. Healing time after PKR is generally longer and causes more discomfort than healing with Lasik. Improvement in the vision will be slower, and functional vision for working or driving may not be achieved for one or two weeks.

850 €/eye

After the PKR technique, other techniques such as Lasik, Intralasik-Femtolasik or Relex-Smile appeared.


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