Glass lens
Refraction: The refractive index of glass is high, generally between 1.5-1.9. This makes the glass lens have a strong ability to refract light and can more accurately control the directi...
Optical property
Anti-ultraviolet ability: the eyes are exposed to sunlight for a long time during exercise, and ultraviolet rays are more harmful to the eyes. The UV400 logo of the sunglasses mean...
Proper cleaning and maintenance of optical glasses can help maintain their clarity and extend their service life. Here are some common methods:
Cleaning method
Daily wiping: Gently wipe the glasses...
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 ...
Choosing a lens suitable for children requires a comprehensive consideration of children’s vision, eye habits, age and other factors. The following are some key points:
Select according to vi...
Wenzhou is one of the most prominent cities. Wenzhou is regarded as the “Optical Capital of China” and has a large number of wholesale markets that can meet the global demand for glasse...
