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...
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 ...
Metal material
Round face: suitable for square or rectangular metal eyeglass frames, such as pure titanium square frames. Its hard lines can neutralize the roundness of the round face, making the f...
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...
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 &...
What is cellulose acetate?
Cellulose acetate refers to a thermoplastic resin obtained by esterification with acetic acid as a solvent and acetic anhydride as an acetylating agent under the action o...
