Don't put glasses in high temperature or humid places for a long time, such as under the windshield of the car, sauna, so as not to peel off the lens or the aging of the glasses frame.
Memory material frames should not be deformed frequently to avoid breakage at the joint or solder joints. Pay special attention to the memory material will lose its memory function in an environment of -10 °C. If it is too curved, it will break or deform.