[关键词]
[摘要]
角膜是眼球重要的结构之一，呈透明状态，约占纤维膜的前1/6。它所含的胶原蛋白排列规则，可以让光线通过，正是因为胶原蛋白特殊的排列方式，才使角膜拥有良好的透明状态。由此可见胶原蛋白对角膜的重要作用，现在本文就胶原蛋白在角膜中的分布、生理功能、角膜交联术后的变化和临床运用、安全性综述如下。
[Key word]
[Abstract]
Cornea is one of the important structure for the eye. It is transparent and locats about 1/6 before fiber membrane. Collagen arrangement is orderly and lets the light through. Because of the special arrangement of collagen, it makes transparent state. Thus it can be seen the important role of corneal collagen. Now we reviewed the distribution of collagen, physiological function, changes of corneal collagen cross-linking, clinical use and security as follows.
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