PRK or Photorefractive Keratectomy. Also known Vision RX20 Review as the surface ablation, photorefractive keratectomy is the first successful procedure that uses laser to correct vision. It removes tissue directly from the surface of the eyes in order to change the curvature of the cornea. It was first performed outside the United States during the 1980s. It was only on 1995 that it did receive its approval from FDA. Although PRK or Photorefractive Keratectomy is still used today, LASIK is by far more popular.
LASIK or Laser Assisted in Situ Keratomileusis. It is somewhat similar to PRK or Photorefractive Keratectomy except that it uses a tiny flap over the eye's surface. It also uses an alcohol solution to loosen it up. The procedure involves lifting of the flap and then uses the laser underneath to reshape the cornea. The flap is then replace and functions as a natural bandage. The main advantage of LASIK over PRK is that LASIK causes very little, if any, discomfort immediately after the procedure. Also, the improvement in vision is usually clear within hours instead of days, after the procedure.
Lasik surgery has now replaced the conventional eye surgeries. Surgeons perform this type of surgery to correct the shape of the cornea of the eye to eliminate farsightedness, astigmation or nearsightedness. The operation is performed with a laser. The Wavefront Lasik surgery will provide you many advantages compared with other surgical procedures and preferred to any age group. This type of surgery will also help you to eliminate the use of contact lenses or glasses.
https://letsfireurbossnow.com/vision-rx20-review/