Nowadays, we buy eyeglasses according to their frame material, lens material as well as their brands and styles, as there are huge variety of glasses in the market, and when in some local stores, we may often hear the retail staff refer plastic eyeglasses and metal eyeglasses, actually, In most cases, they mean the material of the eye wears which they are introducing to you, such as “plastic eyeglasses” refers to eyeglasses that have plastic frame material. And today’s people are more inclined to compare these two kinds of frames, though these two frame materials do have some different features, they both have their respective pros and cons, such as metal ones are more durable and the temples can be made much thinner than plastic one, but some people’s skin may be sensitive to such material, while plastic ones solve this problem perfectly and they are much lighter, the drawback is their poorer durability. (more cheap glasses…)