Vetoo Blue Light Blocking Glasses Computer PC Glasses Square Eyeglasses Frame Non Prescription Glasses for Men and Women. These glasses feature anti-blue light lenses that effectively block ultraviolet radiation, providing 100% UV400 protection and filtering harmful blue light. With low color difference, they are ideal for those who spend long hours on computers, tablets, or gaming devices. Reduce eyestrain symptoms like blurred vision and headaches associated with prolonged computer use and enjoy your digital time with deeper, more restful sleep. The TR90 material frame is super lightweight, abrasion-resistant, and features a low friction coefficient, offering excellent protection against eye and face injuries during movement. The metal hinge ensures stability. The classic design boasts high transparency frames, exuding elegance and timeless style, suitable for both men and women. Each purchase includes 1 pair of blue light blocking glasses, 1 soft clean cloth, 1 elegant case and bag, 1 blue light blocking test tool, and a lifetime warranty for quality assurance and customer service.