1, glass lens is the most scratch-resistant lens in all glasses, and the light transmission effect is better. At the same degree, it is thinner than other lenses, and it is the lens with the best optical effect. Because glass lenses are easily broken and pose a threat to eye safety, few users wear them.
2. Resin lenses are the best-selling glasses lenses in the glasses market, which have the advantages of light weight, less damage and low price, and are a common choice for nearsighted glasses wearers. However, the wear resistance of resin lenses is not as good as that of glass lenses, so be careful when wearing them.
3.pc lens is usually called space film and cosmic film. This is because the pc lens is extremely tough, and it is not easy to break, and its lens is also the lightest of the lenses. Often used as children's glasses lens, users who like sports are also more suitable for this kind of lens.
Precautions for glasses
1. Try on the glasses for a while. If you feel uncomfortable, you should choose a new lens.
2. Don't exchange cups with others. Many people try to wear other people's glasses when they see that they are fashionable, which will deepen the degree.
3. When you don't wear glasses, you must put them in the glasses case to avoid lens wear.
Refer to the above? Baidu Encyclopedia-Glasses, People.com-Wearing glasses for the first time? Need to pay attention to these five points.