Glasses should be put away when not in use. Putting away the temples can make it easier to put the glasses in the glasses case or pocket, and reduce the risk of collision and damage to the temples. Therefore, the temples of Esperanto glasses should be put away when not in use. Glasses are a combination of lenses and frames, which are used to improve vision, protect eyes or make decorations. Glasses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, strabismus or amblyopia. Glasses consist of lenses and frames.