用Pentacam三维前房分析仪研究玻璃体切割术后眼的-全眼科 KEYWORDS: vitrectomy; Pentacam; A-mode ultrasonic meter; refractive changes [gap=471]关键词：玻璃体切割手术；Pentacam；A超；屈光改变
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目的：探讨穿透性角膜移植术(pkp)后的角膜形状改变以及如何进行屈光矫正。
Objective: to investigate the changes of corneal shape and how to correct the refractive error after penetrating keratoplasty (PKP).
高度近视组角膜后表面屈光力与角膜后表面隆起度改变量大于中低度近视组的改变量（P<0.05）。
The changes of posterior corneal power and posterior surface elevation in high myopia were significantly more than those of mild-moderate myopia after LASIK ( P< 0. 05 ).
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