The eyes are the windows of a man's soul, and there's no doubt that everyone cherish their eyes. But when it is neccesary to wear a pair of glasses to correct visual acuity, some people may use it as they like and ignore the importance of maintaining the glasses in a right way. Placing the glasses everywhere, repairing it on your own and paying no attention to clean it are incorrect behaviours which will lead to delitescent dangers to your eyes. However, these actions usually occur in our daily life. In order to protect our eyes and keep the eyeglass in a good shape, it's advisable to get some knowledge about glasses maintainence. First of all, put off the glasses lightly with both of you hands. Otherwise, it will cause unbalance and affect the functions. Secondly, do not place the glasses upside down. Doing so, the important central part of the eyeglass will be frayed so that it will influence the clarity. Thirdly, when doing some cleaning, please use the special wiping cloth or soft tissues. Towels, clothes and so on are not suitable. Fourthly, it's not advisable to place the glasses under extreme circumstance. For example, wear it when taking a hot bath. Under that high temperature, it will cause deformation and decrease the live time. Last bu not least, when there're some problems with your glasses, it's not wise to repair it by yourself. Going to the eyeglass store to have it repaired is a better desicion. All above are means of protections, but the priority is to keep our eyes relaxed and use them more reasonably. It is recommended to have a check in the eyeglass store regularly so that we can have a specific situation of our eyes. Only in this way can we take according actions and keep ourselves healthy.