Basic research for wavefront-guided refractive surgery : The evaluation of effects of aberrations and scatterings on the optical function of the eye

作为术后并发症的原因之一，一过性角膜扩张与眼压（IOP）显著升高相关的机制已被揭示。中度核性白内障合并高度近视的中年患者单眼三视。波前分析表明，核性白内障晶状体的三重形态是由于三叶像差和球差增加共同造成的。组织工程上皮细胞片移植可有效预防准分子激光角膜切除术后角膜混浊的发生。哈特曼-夏克像差仪测量的撕裂时间可作为撕裂的实用测量方法。

As one of the cause of post-operative complications, the mechanism of transient keratectasia in association with a marked intraocular pressure (IOP) elevation was shown.Monocular triplopia was reported by middle-aged patients with mild nuclear cataract and high myopia. Wavefront analyses suggested that the triple configuration was caused by the combined increase of the trefoil and spherical aberration in lenses with nuclear cataract.The transplantation of tissue-engineered epithelial cell sheets can successfully prevent the development of corneal haze after excimer laser keratectomy.The tear break-up time measured by Hartmann-Shack aberrometer may be used as a practical measure of tear break-up.