【BIFOCALS LENS & DON'T HAVE TO TAKE OFF FOR DISTANCE】：Standard progressive bifocal blue light blocking reading glasses for distance range, can help people with presbyopia problems get better visual experience. Almost invisible no line bifocal reading glasses, smooth and no image jumping, moving the line of sight from top to bottom, you can see the far and near. Without having to keep taking them off and putting them back on. 【UPGRADED ANTI BLUE LIGHT LENS】: Blue light blocker readers with 100% UV400 protection, effectively resists 100% harmful blue rays. HD transparent polycarbonate scratch resistant lens, give you a clear vision. Reduce eye fatigue when you use digital products (TV/Phone/LED Light/Computer/...), Kafirlo blue light glasses provide all-day protection, you can enjoy better sleep and digital time. 【LIGHTWEIGHT, FLEXIBLE and COMFORTABLE】: Light weight eco-friendly material with adjustable spring hinges and one-piece nose pads design, comfortable to wear for a long time. Kafirlo high quality square frames are also flexible and pretty much unbreakable. Through testing and analysis, they can take plenty of wear and tear. 【3 PACK PROGRESSIVE BIFOCAL READERS】: Convenient set allows you to keep a pair of glasses for reading in different places. You can think of bifocal glasses as two pairs of glasses in one: a pair of glasses for everyday wear, and a pair of anti-blue light glasses for reading. Different colors give you a fresh look. Blue blocker bifocal driving glasses for indoor or outdoor, all-weather wear, for people with presbyopia problems. 【WORRY-FREE SERVICE】: Please feel free to contact us if there is any problem with the eye glasses, and we will give you a satisfactory solution without hesitation. No risk to try! You will receive progressive transition bifocal reader *3 (Black & Grey & Demi ), reading glasses cord*3, microfiber glasses cleaning cloth*1 and reading glasses case*3. FEATURES 100% brand new and high quality Anti blue light computer bifocal readers, protect your eyes Spring Hinge, comfortable fit your face including small face and large head Fashion reading glasses makes you fascinating