Silver halide photochromic change technology: the photosensitizer silver halide (or other photosensitizers such as silver barium, copper halide and chromium halide, etc.) is added to the resin lens...
1.Wearing glasses can correct your vision
Myopia is caused by the fact that the distant light cannot be focused on the retina, causing distant objects to be unclear. However, by wearing a myopic le...
Wear properly and care for the condition
Breathability and corneal health: Modern contact lens materials in breathability and other aspects have been greatly improved, as long as the choice of qual...
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 ...
The frame, as an important part of the glasses, not only carries the function of supporting the lens, but also an important carrier to show the wearer’s personal taste and style. In the marke...
Frame width
Too wide: If the frame width is too large, the glasses are easy to slide on the face, especially in some light exercise or facial sweat, this situation will be more obvious. At the same...