Услови услуге сунчаних наочара

What is important is that it must be able to filter more than 99 percent of the ultraviolet rays in the sun. Furthermore, it is the function of blocking glare, especially the dark lenses, which can not cause "parallax" and "chromatic aberration". "Parallax" refers to the misjudgment of objects being distorted and going up and down stairs after wearing glasses. When the "chromatic aberration" is severe, the red and green lights will be unclear, causing danger. The surface treatment of the lens, the degree of refraction, the degree of curvature and the degree of safety enhancement are also essential elements for eye protection and eye protection in sunglasses.