The transepithelial single-step photorefractive keratectomy (TransPRK) procedure has rapidly gained popularity during the past decade due to successful logistical implementation by iVIS (CTEN),1 SCHWIND (SmartSurfACE),2 and, more recently, WaveLight One-Touch PRK (Streamlight)3 and Bausch & Lomb No-Touch PRK.4 The aim of single-step laser epithelial removal and stromal ablation is to remove the epithelial layer in a precise and uniform manner, all while allowing little room for unequal stromal hydration. This approach treats refractive errors by superimposing a defined epithelial

中文翻译：

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参考点对上皮厚度测量的影响

由于iVIS（CTEN），1 SCHWIND（SmartSurfACE），2以及最近的WaveLight一键式PRK（Streamlight）的成功后勤实施，经上皮单步屈光性角膜切除术（TransPRK）手术在过去十年迅速流行。 3和Bausch＆Lomb No-Touch PRK.4。单步激光上皮去除和基质消融的目的是以精确，均匀的方式去除上皮层，同时为基质水化不均留出很少的空间。该方法通过叠加定义的上皮来治疗屈光不正