英语语法分析

Have a disease or abnormality of the cornea, such as keratoconus or corneal edema.

角膜有异常或病变，比如圆锥角膜或角膜水肿。

Two types of keratoconus after PKP have remarkable divergence of post-operative corneal topography(P<0.01).

圆锥角膜术后两种类型角膜地形图参数差异有显著意义（P<0.01）。

Objective Appraise the important effect of the corneal topographic analysis in the early keratoconus diagnosis.

目的评价角膜地形图分析在圆锥角膜早期诊断中的重要作用。