By Chris Crowe
 LASIK eye surgery is now becoming more and more common for anyone who wishes to improve their eyesight. However, PRK surgery, or photorefractive keratectomy, was in the past the most common type of laser surgery performed on the eyes for vision problems and is still used today. Here is a quick guide to the similarities and differences between the two types of surgery.
The Corneal Flap
As you are probably aware, LASIK surgery requires the creation of a corneal flap under which the laser does its job to correct any aberrations in vision. This is one of the main differences between LASIK and PRK, as no flap is created in the PRK procedure.
During PRK surgery, a flap is created by using a blade and then alcohol is used to scrape the flap away from the eye's surface. This means that only the area to be treated will then be exposed. This type of surgery is usually more appropriate for patients who have thinner corneas.
During LASIK the flap is kept as a way to reduce any complications such as the |
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By AnneDoe
 A partir des annes 1990s l'ophtalmologie a atteint une nouvelle tape en tout ce qui concerne la correction de la vue. Les problmes de vue concerns taient: la myopie, l'astigmatisme, problmes de vue de prs.
Aujourd'hui il n'y a pas male de compagnies qui font des corrections de vue par laser et il faut bien vrifier quelle vous convient vraiment. La mme chose doit se faire en cherchant un casino en ligne, pour jouer aux jeux d'argent.
La myopie tant qu'un problme de vue le plus courant a t toujours traite par des lunettes ou des lentilles de contactes. Les deux solutions prsentaient des inconvnients. Les lunettes sont pour certains un objet embtant et lourd sur la figure qui pose des inconvnients pour ceux qui pratiquent le sport dans ses domaines variables. Non seulement ca, ceux qui ont des corrections importantes sont tout fait dpendant de leur lunette dans n'importe quelles circonstances.
Le problme le plus vident des porteurs des lunettes est le fait que parfois ils n'ont pas le choix et doivent se sparer de leur |
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