The photorefractive keratectomy is an alternative procedure for patients in which a LASIK procedure is not possible, for example due to too thin corneas. Compared to Lasik, the PRK removes the top layer of the cornea. The laser treatment is also wavefront-based and it is a non-contact laser procedure (Intralase technology and Advanced Custom Vue).
PRK (Photorefractive keratectomy)
How is PRK performed?
First, the eye is anaesthetized locally with eye drops. A “Speculum” keeps the eye open during the treatment. The uppermost layer of the cornea is removed. Then the excimer laser reshapes the cornea. A therapeutic contact lens is placed at the end of the treatment, in order to protect the corneal surface. The healing takes about 1 week.
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