In order to filter the sun shines on the water, land or snow on the equal direction of the dazzling light, in the lens to add a vertical special coating, known as the polarizing lens of glasses for UK women. Most suitable for outdoor sports.
The lens will change color as the light intensity. General selection of gray, gray color is due to see objects through the lens, color is dim, and does not affect the original color. The glasses with best sales Can play the role of shading, for people working outdoors more applicable. Color on the market only two colors of gray and tea can be selected.
Compared with spherical lenses of cheap glasses is much thinner, the central point of the peripheral field of vision more clear, to reduce the difference between the surrounding, help to control the growth of myopia.