If you often ride bicycles or motorized vehicles for long distances, you should not wear contact lenses. Because in the cycling process, the surrounding air convection speed will be significantly accelerated, so that the water contained in the contact lenses dramatically reduce the lens gradually dry, harden, a long time, hardened glasses sheet is very likely to damage the corneal epithelial tissues, causing eye pain, itching, redness, swelling and even inflammation. At the same time, cycling dust and other foreign objects are more likely to enter the eyes, causing eye discomfort and even infection. Once the eye discomfort caused by wearing contact lenses, you must go to the hospital in time.