Goggles can sometimes be useful, especially for people with sensitive corneas or eye surfaces, where the use of goggles is relatively more effective. Cornea sensitive people, in the encounter of bright light or cold air stimulation, will have the phenomenon of tears, especially in the riding motorcycle will be more sensitive. After wearing goggles, can block the cold air or dust into the eye, can reduce the symptoms of tearing. Goggles are also useful in special work, welding because welding will produce excessive ultraviolet radiation, if the ultraviolet radiation in the eyes for a long time, will cause corneal epithelial damage, if wearing goggles, can block excessive ultraviolet into the eye, the role of the role of the obvious can be highlighted, goggles in the patient or a special type of work or have a clear role.