Does Mohsen glasses have a sun protection index?

1, the sun protection index mark of sunglasses to judge whether sunglasses have sun protection function, we must see whether there is this mark, which is the sun protection index mark of sunglasses. Sunglasses marked "UV400" can protect against more than 90% ultraviolet rays. 2. The earliest sunglasses appeared for shading, so the sun will not be so dazzling after wearing sunglasses, but it is also related to the color of the lens. Brown, green and gray are the best. Sunglasses with sun protection and shading effect can basically protect our glasses from the sun. The next step is to have your own face to choose the sunglasses that suit you.