Photochromic Anti Blue Light Glasses Round Frame

Brand Name: ZAKLINAFrame Material: TR90Gender: UnisexFrame Type: FashionCategory: Anti blue ray glassesFrame Length: 143; Lens Width: 52; Frame Height: 46; Bridge: 21; Arm Length: 141mmWeight: 22gFunction: Block harmful blue light, release your eye fatigue when watching TV and looking at computer. And 100% protect you from UV400.No more eye strain, blurred vision and headache during your computer/ ipad/ tablet/ iphone screen time and improve your sleep.Photochromic lens automatically sense the intensity of light changes, absorbs the ultraviolet rays, the stronger the light, the darker the color of the lens is. Effectively filter the strong light, strengthen the visual definition, reduce eye fatigue,these glasses keep the eyes always the most comfortable state. The photochromism of the lens is automatic and reversible-Perfect photochromic sunglasses.