China
Relevant standards: mainly based on GB 10810.3-2006 “Glasses lenses and related glasses products Part 3: Transmission specifications and measurement methods” and GB/T 14214-2003 &...
In discussing what material is good for the frame, and whether only the frame can be replaced after the glasses are damaged, we first need to understand the characteristics of the frame of differen...
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...
Glass lenses: Ordinary glass itself has a certain UV absorption capacity, but the effect is limited. Some high-quality glass lenses will add special metal oxides or other UV absorbers, which can ef...
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...
The fashion industry is setting off a wave of retro round glasses, becoming a high-profile fashion item at the moment.
Round retro glasses with its classic shape and unique charm, quickly captured ...
