After 14 days, the corneal photographs were taken to calculate corneal neovascularization as a percentage of the whole corneal area.Wax sections of corneas were stained with haematoxylin_eosin stain.

• 实验末，拍摄大鼠角膜照片，计算新生血管覆盖面积占角膜总面积的百分比，同时制备眼球组织石蜡切片，苏木精_伊红染色，光镜下观察角膜组织病理学改变。