1. Anti-ultraviolet (UV) qualified sunglasses can effectively block 99%-100% of UVA and UVB, reducing UV damage to the eyes.
2. Avoid bright light
In a bright environment, such as a sunny beach, snow, or driving in direct sunlight, sunglasses can reduce the intensity of light entering the eyes. It absorbs or reflects a portion of the light through the color of the lens and a special optical coating.
