What is Photo Refractive Keratectomy?
Photo Refractive Keratectomy (PRK), which is commonly known as laser vision correction procedure, has been performing well in the treatment of eye correction recently. It is a simple eye surgery using lasers and local anesthesia, including cataract treatment, contact lens implants, glaucoma treatment, PRK refractive surgery, refractive lens replacement surgery and squint surgery, etc… Thus with this procedure, it is believed that most eye problems can be cured, however, one has to get a general idea of the procedure, as well as its diseases and surgical procedures before making a decision of the eyesight correction so as to prepare yourself. The procedure is processed on corneal tissue, thus before the operation, the surgeon would firstly remove the thin, transparent protective layer over the cornea (known as the epithelium) so that the corneal tissue is exposed. Next, the surgeon reshapes the cornea with laser technology by removing a part of the tissue. Thus the focusing ability is
