翼状胬肉是眼科的常见病、多发病 ,对于其流行病学、病因学及手术方法的探讨已有大量文献报导 ,但关于翼状胬肉所致的角膜形态和屈光度的改变报道甚少 ,且多为定性研究[1～ 3] 。 2 0世纪八十年代中期 ,计算机辅助的角膜地形图仪的临床应用 ,使对角膜表面的细微变化进行深入的? Pterygium is a common disease of ophthalmology, frequently-occurring disease, for its epidemiology, etiology and surgical methods have been discussed in a large number of literature, but on the pterygium caused by changes in corneal morphology and refraction few reports, and Mostly qualitative research [1 ~ 3]. In the mid-1980s, the clinical application of computer-assisted corneal topographers allowed subtle changes to the corneal surface.