What kind of sunglass is better?

Want to buy a pair of ideal sunglasses, in addition to buying regular sunglasses, fashionable sunglasses, there is also a point to choose the type of sunglasses according to their own situation, so what are the types of sunglasses?

Sunglasses lenses are classified as follows:

1. Anti-reflective protective lens: This kind of lens is coated with a thin layer of magnesium fluoride on the surface to prevent the reflection of strong light, so that you can see things more clearly and not be disturbed by strong light.

2. Colored lenses: Also known as "dyed lenses", in the process of making lenses, some chemicals are added to make the lenses appear colored to absorb specific wavelengths of light.

3. Polarized lens: In order to filter the dazzling rays of the sun in the same direction on the water, land or snow, a special coating in the vertical direction is added to the lens, which is called polarized lens. Best suited for outdoor activities such as sea activities, skiing or fishing.

4. Color-changing lenses: also known as "photosensitive lenses.". Because silver halide chemicals are added to the lenses, the original transparent and colorless lenses will become colored lenses when exposed to strong light for protection, so it is suitable for indoor and outdoor use at the same time.