Third Generation Photochromic Sunglasses With Polarized Lens ś[NO MATTER DAY OR NIGHT, IT WORKS WELL] Our sunglasses are made of special photochromic polarized lenses. When driving at night or into a dark environment, the lenses are lightcolored transparent to enhancing the visibility while effectively reducing the glare. During the daytime, it can effectively filter the strong light, enhance the visual sharpness, reduce eyes fatigue, and keep the eyes always in the most comfortable state of outdoor activities. Featureâź Details Displayâź Discoloration Test Methodsâź