How about the ranking of glasses?
In the discussion of “How does the optical industry rank?” When it comes to this topic, we have to go deep into multiple dimensions of the glasses indu...
When discussing the question of whether sunglasses are better polarized or unpolarized, we first need to clarify the core differences between the two and their applicability in different scenarios....
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 ...
The choice of children’s glasses requires a comprehensive variety of factors, on the basis of professional optometry, combined with children’s vision development, eye needs, etc., to be...
Lens material
Glass lens
Functional advantages: Excellent optical performance, can provide clear and accurate visual effects, high refractive index, can effectively block UV and some glare. Its har...
Metal, TR90 and other materials of the sunglasses frame is more durable, the following is the specific analysis:
Metal material
Strong and durable: The metal has high strength and hardness and is n...
