Objective: To study the correlations among average central corneal curvature, average diameter of the flap and the length of the pedicel.
目的：探讨平均中央角膜曲率与制作的角膜瓣平均直径、角膜瓣蒂长度的关系。
2
Measure the diameter of corneal flap and hinge length during surgery.
同时测量角膜基质床面的水平径及角膜瓣蒂宽度。
3
Methods:All the corneal leucoma cases were chosen suing Micrometer preoperatively to measure the diameter of the corneal leucoma and the whole corneal.