Choose the right sunglasses
Uv protection: To ensure that sunglasses can effectively block ultraviolet light, the label is usually marked with UV400 and other signs, indicating that it can block mo...
1. Different functions
Ordinary sunglasses use the color dyed on the tinted lenses to weaken all the light into the eyes, but all the glare, refracted light and scattered light enter the eyes, whic...
The color depth of sunglasses and eye protection ability is not a simple positive correlation, the following is the specific analysis:
Sun glasses color action principle
The color of sunglasses is ...
Glass lenses: Ordinary glass itself has a certain UV absorption capacity, but the effect is limited. Some high-quality glass lenses will add special metal oxides or other UV absorbers, which can ef...
What is the difference between resin lens and pc lens, which is good?
Resin lens and PC lens as the two mainstream materials of modern eyeglass lenses, each has its own unique characteristics and a...
Outdoor enthusiasts: such as mountaineers, cyclists, hikers, golfers, etc., who are exposed to the sun for a long time, and have a high risk of eye damage from ultraviolet rays and glare. Choose po...