Frames, Lens and Nose Bridge—the Construction of Sunglasses
A pair of sunglasses is very common in summer. People wear it when they are outside or taking outdoor activities. It is one of the necessary accessories for men and women.
When people find direct sunlight bright, they feel uncomfortable. Experts said that these lights are harmful to our eyes. And the ultraviolet radiation and blue light will sometimes cause problems of eyes. Thus, it is necessary for people to wear a pair of sunglasses to protect the eyes. And today, it is not only a tool for people to keep eyes from damages in sunlight or high energy visible light, but also a fashion accessory for people to wear when they are doing outdoor activities such as traveling or on the beach.
In fact, the construction of sunglasses is easy to recognize. By seeing it we can divided it into three basic components: frames, lens and nose bridge.
Nylon frames are the most common in life. Sunglasses with them are always worn by people when they are doing sports. The materials of the frames are always metal or plastic. Young people like the pair with plastic frame more. Full frame, half frame, and frameless are the three styles of it. Each style is looks special. And different people prefer different frames. The frame supports the glasses. It plays an important role in any pair of it.
There is much to say when it comes to lens. The colors of lens are various. And it is the colors that decide whether the glasses are stylish or not. The colors brown, blue, grey and yellow are easy to see in different lens of sunglasses. And there are clear lens. These are usually used to keep the eyes away from the chemicals and dust. And the materials of the lens are glass and plastic. The one made of plastic is more durable.
The nose bridge is too small to gain attention. But a pair of glasses cannot be completed without it. The lens and face are supported by it. There are low, medium and high nose bridges. They are suitable for different people’s wearing.
There are many popular and fashionable sunglasses in the market. Students also like to wear them for a trendy look.
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