Glasses cloth function when using actual has been limited, but in fact it can be done several purposes, such as polished glasses this role, but if want to use glasses cloth to wipe the glasses, then for glasses cloth material have a high demand, if ordinary glasses cloth fabric, there is a big harm for glasses, can damage the surface of the glasses, long-term use will be full of scratches, you will need to replace the glasses. So how to choose good glasses cloth also became the main point.