Sunglasses can not only reduce eye damage caused by strong sunlight but also can be used as a special accessory to reflect personal style. If you want to choose the right sunglasses for you, we must understand the following knowledge.

(1) Under normal circumstances, 8-40% of the light can penetrate sunglasses. Most people choose 15-25% sunglasses. Outdoors, most color-changing glasses are in this range, but the light transmittance of glasses from different manufacturers is different. Darker color-changing glasses can penetrate 12% (outdoor) to 75% (indoor) light. Sunglasses with lighter colors can penetrate 35% (outdoor) to 85% (indoor) light. In order to find glasses with suitable color depth and shading, users should try several brands.

(2) Although the color-changing glasses are suitable for daily use, they are not suitable for sports activities in glare environments, such as boating or skiing. The shading degree and color depth of sunglasses cannot be used as a measure of UV protection. Glass, plastic, or polycarbonate lenses have added chemicals that absorb ultraviolet light. They are usually colorless, and even the transparent lens can block ultraviolet light after treatment.

(3) The chromaticity and shading of sunglasses lenses are different. Sunglasses with light to moderate shading are suitable for daily wear. In bright light conditions or outdoor sports, it is advisable to choose sunglasses with strong shading.

(4) The shading degree of the gradient lens decreases from the top to the bottom or from the top to the middle. It can protect the eyes from glare when people look at the sky, and at the same time clearly see the scenery below. The top and bottom of the double gradient lens are darker, and the middle is lighter. They can effectively reflect glare from water or snow. We recommend not to use such sunglasses while driving because they will blur the dashboard.

(5) Sunglasses can be customized according to their own needs. In addition to adding chemicals that absorb ultraviolet rays, dyeing materials can also be added during the production process of sunglasses lenses. In addition to dyeing materials, manufacturers have also developed light-filtering chemicals that can absorb specific parts of the spectrum. They combine dyeing and filtering substances to develop sunglasses dyes for specific sports, such as golf.

(6) Dyed lenses have different light-filtering functions. Most tinted lenses can block 70-90% of the light. Some dyed lenses can only filter visible light of specific wavelengths, but cannot filter light of other wavelengths. Therefore, different dyeing may deepen the color or change the color, affecting the contrast ratio. Some colors, such as pink, blue, or purple, are purely decorative, and the effect of filtering light is extremely poor. The best way to choose tinted lenses is to hold the sunglasses with your arms straight and judge the color against a white background.

In this article, we mainly start with the color of the sunglasses and introduce some precautions in the selection process for you in detail. In fact, we also need to take into account the key factor of the frame material when purchasing.

ZOHO has become one of the best manufacturers of optical frames and sunglasses by virtue of its leading manufacturing technology and thoughtful service attitude. We can provide diversified choices according to the needs of users, and we are always equipped with a professional quality inspection system to fully control the quality of products. The reason why our products sell so high is that we always put the needs of our customers first. If you want to buy our sunglasses, please contact us immediately!