These cells are gently shifted by the fluid - the tearfilm - between contact lens and cornea, temporarily creating a new structure to the eye.
位于隐形眼镜和角膜之间的那层泪膜液体会轻轻移动着这些上皮细胞，暂时形成一个新的眼部结构。
2
A dry eye is caused by a disturbance in the tearfilm overlying the ocular surface.
干眼是由覆盖于眼表的泪膜紊乱所引起的。
3
Conclusion: LASIK caused a decrease in tearfilm stability and tear secretion early stage after operation, probably due to decreased corneal sensation after LASIK.