There are also many breakthroughs in the technology and application materials of lens frames. Glasses with memory alloy frames can maintain their shape, and will not break even if they are bent, so that the glasses have a longer life and avoid the inconvenience caused by the broken frames. Adding springs to the hinge of the frame arm also makes the glasses more durable.

Glasses are composed of lenses and frames. According to the purpose of glasses, there are 15 kinds of glasses, including myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses, flat glasses, computer goggles, goggles, goggles, goggles, night goggles, sports goggles, sports goggles, goggles, sunglasses, toy glasses and sunglasses. There are also special glasses for viewing 3D stereo images or virtual reality images. Other types of glasses include goggles, sunglasses, swimming goggles, etc., providing various protective effects for the eyes. Modern glasses are usually equipped with a nose support in the middle of the lens and a cushion in the position where the left and right arms rest on the ear. People who love beauty or are not used to wearing glasses can choose to correct their vision with contact lenses.