目的：研究白内障小切口术后角膜形态变化特点。
Objective:To study corneal topographic changes after cataract surgery through small incision.
结论：随着年龄及屈光度的增加，角膜形态会发生某种程度的变化。
Conclusion: With an increase in age and myopic refraction, some changes in corneal shape may occur.
结论角膜散光是复性近视散光与单纯近视之间角膜形态差异的主要原因。
Conclusion corneal astigmatism was the main cause of differences of compound myopic astigmatism and simple myopic in corneal surface shape.
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