Material aspect
Look at the material composition: high-quality metal spectacle frames often use titanium alloy, pure titanium, etc., with light weight, high strength, corrosion resistance, anti-all...
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...
Titanium sunglasses frames have the following significant features:
Light weight: The density of titanium is about 4.51g/cm³, which is much lower than common metals such as copper, iron, steel, etc...
The first thing we need to understand is that as a daily accessory and vision correction tool, the choice of glasses is not only related to visual beauty, but also directly affects the facial propo...
There is no fixed standard for the replacement time of children’s glasses, and it is necessary to comprehensively judge the changes in the child’s vision, the degree of wear of the glas...
Daily cleaning
Remove dust: In daily use, the surface of sunglasses is easily contaminated with dust. You can use a clean and soft glasses cloth or a special microfiber cloth to gently wipe off the...
