Whether wearing glasses can control the degree is a widely concerned problem in the field of ophthalmology. In order to explore this topic in depth, we need to analyze from multiple dimensions, inc...
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...
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 ...
When choosing eyeglass lenses, consumers often hesitate between high-definition lenses and anti-blue lenses. These two lenses have their own advantages and are suitable for different use scenarios ...
Choosing the optical lens material suitable for the elderly requires comprehensive consideration of the elderly’s eye needs, physical conditions and living habits. The following is a specific...
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 ...
