Product Description: Enjoy clear eyes and relieve headaches with blue light barrier glasses and photochromic sunglasses designed for reading, and other outdoor activities. Product details: Blue light barrier reading glasses HD clear anti-glare lens photochromic gray lens light weight, comfortable frame multi-magnification selective women, order includes: glasses soft cleaning cloth glasses case blue light barrier test tool Note: When wearing glasses, please hold the temple with both hands when not in use, take out the lens and put it in a special bag, be careful that the lens and frame are scratched by hard objects. For frames or lenses that are contaminated by dust, sweat, oil, cosmetics, etc., please use gentle detergent to warm water, and then wipe dry with a soft cloth. It is prohibited to contact water for a long time, soak in water and place it in a fixed place to be exposed to sunlight; it is prohibited to contact currents and metal edges for a long time.