Most of the glasses should be well in maintenance and people should use them properly, just because if it is used or maintained improperly, the wearing effect will be influenced and eyes can be harmed.
How to maintain the glasses correctly?
First, eyeglass should be cleaned by the clear water, the abstergent also can be used by a little, and after it is cleaned, you can use the soft tissue to wipe the water, but you should pay attention not to use the edge of clothes or hard material to dry it.
Second, the glasses should be kept in the glasses box, and this can prevent the glasses from scratching, contorting and being under the blazing sun for quite a long time.
Third, the surface of eyeglass could not get in touch with hard thing such as stone and nail. You must be careful that not to put the surface of eyeglass downwards and legs of eyeglass upward, especially for the convex lens which used by the children who are hyperopic or asthenopic.
Fourth, you should develop the habit of taking off or taking on your glasses by using your two hands because the glasses frame may be twisted or damaged if you use only one hand in a long term.
Fifth, you should try avoiding contacting the vapour, lampblack, sweat and cosmetic when you wear the glassesd, it can damage the mirror bracket and reduce the service life of glasses.
Sixth, you ought to inspect whether the screw become loose or not regularly, if it is, you must screw down it in time to stop the eyeglass from falling off or losing the accessory.
Seventh, you should pay attention that when you folding the glasses you must fold the left leg first, and then fold the right leg. This can keep the balance of glasses and the comfort when you wear it.