What are the types of sunglasses? _Sunglasses knowledge_

Sunglasses were originally used as a tool for human eye protection. They can prevent ultraviolet rays, infrared rays and harmful glare from sunlight, allowing you to have a clear and comfortable vision. However, with the improvement of people's living standards, in addition to eye protection, sunglasses can also be used as fashion accessories to show personal charm and style. The types of sunglasses are very rich, which can be divided from the three aspects of the use, characteristics and lens types of sunglasses. The following editor will take you to find out. The types of sunglasses are divided into three types of sunglasses from the purpose of use, sun-shading sunglasses, light-colored sunglasses and special sunglasses, among which sun-shading sunglasses are mainly used to block harmful glare such as ultraviolet rays and infrared rays to avoid damage to the eyes caused by strong light; light-colored Sunglasses are mainly used for decoration, or to match various types of clothing. They are the kind of sunglasses that young people prefer; special sunglasses are more abundant, such as cycling sunglasses, ski sunglasses, etc. are all special sunglasses, often climbing, skiing, riding Cars and other people are more suitable to wear. In terms of characteristics, there are more types of sunglasses, such as gray sunglasses, brown sunglasses, green sunglasses, blue sunglasses, mercury sunglasses, and so on. Among them, the characteristics of sunglasses with different lens colors are different. For example, gray sunglasses and brown sunglasses have better performance in absorbing ultraviolet and infrared rays and filtering out harmful glare. Especially brown sunglasses can effectively filter out a lot of blue light and improve visual contrast and clarity. There are six types of sunglasses, such as anti-reflective protective sunglasses, colored sunglasses, colored sunglasses, polarized sunglasses, color-changing sunglasses, and clip-on sunglasses. The functions of sunglasses with different lens types are also different. For example, polarized sunglasses mainly reflect or filter out ultraviolet, glare and blue light, allowing you to have a clear and comfortable field of vision; while color-changing sunglasses are colorless and transparent due to the addition of silver halide to the lens. The lenses, which will change color when exposed to strong light, are very suitable for the needs of myopia patients who want to wear sunglasses. The types of sunglasses are very rich, divided from the use, characteristics and lens types of sunglasses. There are almost 20 types of sunglasses, which can meet the needs of most consumers. However, when buying sunglasses, it is better to choose a more formal optical shop, so as not to buy inferior products, which affects the clarity and comfort of the eyes.