Trans PRK (Transepithelial Photorefractive Keratectomy)
During Trans PRK the surface layer of cells (epithelium) is gently removed by a laser and the underlying cornea is sculptured using the Schwind Amaris 1050 RS Excimer laser in accordance with the patient’s individual refractive error. The recovery after PRK is slow and there are moments when the eye can be uncomfortable and this is usually dealt with by using a bandage contact lens in the first postoperative days. Local anaesthesia in the form of eye drops is used during the procedure, as well as a mild oral sedative if the patient wishes. Generally patients need a week off work after the procedure.
Trans-epithelial PRK is the newest advancement in performing PRK procedures and it is unique to the Schwind Amaris1050RS Excimer laser. The laser in ‘one-step’ removes the epithelium (surface layer) and does the laser concurrently. The advantages of this technique are the precise removal of epithelium allowing for faster healing, reduction in pain during recovery and the manual aspects of the PRK are minimised, making it a ‘no-touch’ procedure.
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