How to choose the right sunglasses lens?

How to choose the right sunglasses lens?

The types of sunglasses lenses are roughly divided into five types: anti-reflective protective lenses, colored lenses, painted lenses, polarized lenses and color-changing lenses.

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 interfered by strong light.

To check whether your sunglasses really use anti-reflective protective lenses, you can point the glasses at the light source. If you see purple or green reflections, it means that the lenses are indeed coated with anti-reflective protective film.

2. Colored lenses: also called "dyed lenses", it means adding some chemical substances in the manufacturing process of the lenses to make the lenses show colors to absorb light of specific wavelengths. This is the most commonly used lens type for sunglasses.

3. Painted lens: The effect of this kind of lens is the same as that of colored lens, only the way of making it is different. It is to paint the color on the surface of the lens. The most well-known is "gradient colored lens", the color is The top is the deepest, and then it gets lighter down. Generally, sunglasses with power are mostly painted with lenses.

4. Polarized lenses: In order to filter the dazzling rays of the sun shining on water, land or snow in equal directions, a special vertical coating is added to the lenses, which is called polarized lenses. It is most suitable for outdoor sports (such as marine activities, skiing or fishing).

5. Color-changing lens: It is also called "photosensitive lens". Because silver halide chemicals are added to the lens, the originally transparent and colorless lens will turn into a colored lens when exposed to strong light for protection, so it is suitable for both indoor and outdoor use.

6. Sunglass clip: Sunglass clip is a polarized sunglasses specially designed for nearsighted people, which effectively prevents glare and ultraviolet rays. It is especially suitable for outdoor sports such as driving, outdoor and fishing. Using polarized lens technology, the visual resolution is greatly improved. Eliminate 99% of reflected light and scattered light, making your vision clearer and smoother. The lens is specially strengthened with a film, which is effective in resistance to abrasion, scratch and impact.

7. Night driving lens: The night driving lens should be able to block more than 80% of the strong light of the opponent's car. At the same time, the light transmittance of the main lens must be >75%. Observe the road without being affected. Wear a good driving night vision goggles at night. Not only can you see clearly the road surface, but also can effectively reduce the glare and glare and other harmful light from the headlights of the opponent's car. While blocking the strong light, you can see the road clearly, thus ensuring your driving safety.

Choose the right sunglasses lenses to better protect your eyes.