A smooth oil layer helps to prevent evaporation of the water layer, while the mucin layer functions in spreading the tears evenly over the surface of the eye.
当黏液层快速地覆盖到眼球表面时，光滑的油层能防止水层的挥发。
A smooth oil layer helps to prevent evaporation of the water layer, while the mucin layer functions in spreading the tears evenly over the surface of the eye.
当黏液层快速地覆盖到眼球表面时，光滑的油层能防止水层的挥发。
应用推荐