PRK – Photorefractive Keratectomy Surgery

Posted: December 13th 2009 By admin       under: Lasik Surgery    Tags:

Both PRK (Photorefractive Keratectomy Surgery) eye surgery and LASIK (laser-assisted in situ keratomileusis) eye surgery are utilised to care for myopia, hyperopia, and astigmatism, and both methods work by using a laser to reshape the eye’s corneal tissue and correct vision. Both PRK and Lasik are grouped under the umbrella “laser eye surgery.

PRK was invented in the early 1980s. The first FDA acceptance of a laser for PRK was in 1995, but the method wasperformed in other nations for years. In detail, numerous Americans had the surgery finished in Canada before it was accessible in the United States.

The outcomes from PRK eye surgery are alike to LASIK, but the methods and post-op are different. Also, with the advent of LASIK surgery, PRK is presented on a drastically slighter assembly of people.

Candidature for PRK Surgery

Candidacy for PRK eye surgery is alike to LASIK. The one distinction is that PRK permits a broader array of candidates, particularly those with corneal blemishes, other corneal situation or more distinct aberrations. Also persons with narrower corneas, who can not use LASIK, can use PRK eye surgery.

PRK Advantages to Standard LASIK

  • PRK is highly unquestionable in correcting numerous situations of nearsightedness
  • More persons can utilize PRK, encompassing those with corneal blemishes, narrower corneas and a broaderarray of aberrations.
  • No corneal flap.
  • Approximately 80% of PRK patients have 20/20 vision without glasses or contact lenses
  • One year after the surgery; 95%-98% have 20/40 or better without glasses or contacts.

PRK Disadvantages to Standard LASIK

  • If you have a narrower cornea or corneal matters that make LASIK not likely, PRK is an ample replacement.
  • Longer medicinal time
  • Longer time before vision comes back full circle. Expect months, not weeks to retrieve full sight.
  • The conclusion is not absolutely predictable and some patients may still need glasses.
  • Mild discomfort, encompassing secondary eye irritation and watering, for 1 to 3 days following the procedure.
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