There is no direct correlation between the shade of sunglasses and the effectiveness of UV protection.
The anti-ultraviolet effect of sunglasses mainly depends on the material of the lens and the a...
When discussing the topic of how to buy glasses frames for children, we first need to make it clear that the choice of glasses frames is not only a consideration of beauty and fashion, but also rel...
The replacement frequency of children’s glasses is influenced by multiple factors. Generally, it is recommended to replace them every half a year to a year. The following is a specific analys...
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 ...
In the discussion “Can nearsighted people not wear glasses?” On this topic, we first need to clarify the definition of myopia, the causes and the role of glasses in correcting vision, a...
The color depth of sunglasses and eye protection ability is not a simple positive correlation, the following is the specific analysis:
Sun glasses color action principle
The color of sunglasses is ...
