The brightness of the lens varies according to the amount of UV rays and the brightness is adjusted. With just one item, it can be used for anything from a PC glass to a sunglasses. 1 piece is compatible with PC glasses to sunglasses; UV light, blue light, and glare; Triple cut function; Uses dimmable lenses that change the intensity of the lens color depending on the amount of UV rays and sunlight glare. Blocks over 99% of UV and 45% of blue light In addition, the visible light transmittance is 88%? 15% (maximum color) reduces glare. (*1) These glasses work as a pair of bright PC glasses or fashionable fashionable fashionable glasses indoors or as sunglasses that reduce glare due to the amount of UV rays in the outdoors. Lens material is CR39 crystal clear and low distortion. Double-sided coating effectively reduces light entering from behind, giving you a more contrasting and clear view. ■ Lightweight frame is made of polyamide resin that does not use any metal such as screws. It weighs approximately 0.6 oz (17 g). Even those who have never worn sunglasses or glasses can use less discomfort and resistance. *1: Japan Spectacular Optics Inspection Association (JSOI)