Glass lens
Refraction: The refractive index of glass is high, generally between 1.5-1.9. This makes the glass lens have a strong ability to refract light and can more accurately control the directi...
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 &...
Metal material
peculiarity
Titanium alloy: with light weight, high strength, corrosion resistance, no allergic reaction and other advantages, is a common material for high-end spectacle frames. It ...
When discussing the topic of “what color sunglasses lens eyes are most comfortable”, we must first understand the diversity and functional differences of sunglasses lens color, and how ...
Round face
Style selection: Suitable for the choice of square or rectangular sunglasses, through the angular shape to increase the three-dimensional sense of the face and the sense of line. Avoid r...
Single optical glasses
Single-lens optical glasses are mainly used to correct vision, so that the wearer can see clearly. To a certain extent, it can help myopia patients to maintain clear vision w...
