“…In PRK, refractive surgical ablation is performed on the corneal surface after epithelial debridement. Postoperative pain and the potentially higher grade of corneal haze after PRK limits its usefulness and acceptance [23]. Several techniques of epithelial debridement have been attempted with PRK surgery, including mechanical debridement, LASER transepithelial ablation, a rotating brush and alcohol debridement [23].…”