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How do color changing sunglasses work?

By :Koalaeye 0 comments
How do color changing sunglasses work?

In the previous article, we discussed “What is the best sunglasses color?”. In this article, let’s talk about “How do color changing sunglasses work?”.

The lenses of sunglasses include many types, and the color-changing lens is one of the lens categories of sunglasses. Most of the sunglasses use dyed lenses, that is, during the lens manufacturing process, some chemicals are added to make the lenses appear colorful to absorb light of specific wavelengths. These sunglasses in the sun, the color of the lens will not change. So, how do color changing sunglasses work?

What is a color-changing mirror?

In simple terms, the lenses of color-changing glasses will change color when exposed to sunlight to protect the eyes, and then they will become transparent again when they return to the room. This kind of glasses is very good for drivers because when driving, the eyes are more susceptible to sunlight. If the glasses themselves will change color, you can save the step of wearing sunglasses.(https://www.koalaeye.com/collections/polarized-sunglasses)

The principle of the color-changing mirror

Color-changing lenses are also called 'photosensitive lenses'. Silver halide particles are added to the lens material. Under the action of ultraviolet rays in sunlight, the silver halide decomposes into halogen ions and silver ions to change color. The degree of discoloration varies according to the intensity of ultraviolet rays in sunlight. When the ultraviolet rays disappear, the lens will return to its original color.

Base change and film change

Base change is added by spraying or immersing the inner and outer layers of the lens so that the originally transparent and colorless lens will turn into a colored lens when exposed to strong light for protection. It is suitable for indoor and outdoor use. However, there are restrictions on glasses with high power.

Film change is to add a color change layer on the inner and outer layers of the lens by spraying or soaking so that the originally transparent and colorless lens will turn into a colored lens when exposed to strong light for protection. Also, it is suitable for indoor and outdoor use.

Thank you for your time in reading our passage “How do color changing sunglasses work?”. For more information about sunglasses and eyeglasses, please continue to follow koalaeye.com. Also, it is welcome to share and forward to Facebook and Twitter.

 

Tags : Sunglasses
categories : The Blog

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