Relevant standard
Ultraviolet protection factor (UPF)
Definition: UPF is a measure of the ability of a fabric or material to block ultraviolet light, and in the case of sunglasses, it reflects the ...
Choose the right product
Uv protection function: UV damage to children’s eyes is greater, to choose sunglasses that can effectively block UV, the label is usually marked with UV400 and other ...
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...
eyeglass
Optical property
Clarity: Quality sunglasses lenses at any Angle to see the object should be clear, no deformation, no double shadow. You can rotate the lens slightly by observing distant ...
Sunglass is a kind of eyesight health care articles for preventing the strong stimulation of sunlight from causing harm to human eyes. With the improvement of people’s material and cultural l...
Lens material
Glass lens
Functional advantages: Excellent optical performance, can provide clear and accurate visual effects, high refractive index, can effectively block UV and some glare. Its har...
