PRK – advantages and disadvantages to the modern eye surgery PRK stands for ‘Photorefractive Keratectomy’, and is the oldest laser procedures for treating a refractive of error of the eye. This procedure is performed for over 20 years and is the predecessor of Femto LASIK, LASIK, LASEK and Epi-LASIK procedure. Before surgery numbing eye drops administered the patient for a painless treatment pain during eye surgery to relieve and laserns to make the eye while the eyes. The eyes by the PRK treatment the corneal flap, which is intersected by the cornea with a mini Planer is not folded away lasers, as with other methods (such as LASIK), but the superficial layer of the cornea is removed and replaced with an alcohol. This is followed by the actual laser treatment with an excimer laser. The excimer is a gas laser, which this is to correct the corneal layer under the flap to lasers and thus the refractive power of the eye. At the end of the treatment is a protective lens over the Set wound tissue of the eye. This […]