Photorefractivekeratectomy (PRK). PRK is sometimes used if you have a low to moderate degree of nearsightedness or farsightedness, or if you have nearsightedness with astigmatism.
屈光性角膜切除术(PRK):当你有低于中等度数的近视或者远视,或者近视加散光,有时会选择prk。
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Objective:To evaluate the predictability, stability and safety of excimer laser photorefractivekeratectomy (PRK) for correcting the residual myopia and astigmatism after keratotomy (RK).
目的: 评价准分子激光屈光性角膜切削术治疗放射状角膜切开术后残余近视散光的预测性、稳定性和安全性。
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Objective To investigate the effect of amniotic membrane transplantation on initial corneal wound healing after photorefractivekeratectomy(PRK).