- 
              Photochromic LensHigh-end color change technology is adopted. Compared with ordinary color change film, color change is faster, more uniform and more durable 
 Block harmful ultraviolet rays and all kinds of harmful light, protect eyes from injury, and really care for your healthy vision
 It turns dark in the sun outside, colorless in the room, automatically changes color, one mirror for three purposes, easy to use
 Automatically adjust the intensity of light entering the eyes, provide excellent visual effect, make the wearer feel comfortable and reduce visual fatigue
 Customizable: substrate discoloration or film discolorationIndex:1.56 1.60 1.67 
 
			