Feiyold Blue Light Blocking Glasses, Anti Eyestrain Lens, Lightweight Frame

REDUCE EYESTRAIN: Enjoy your digital time, NO worry about eye fatigue, blurred vision and headache ANTI BLUE LIGHT: Cut 90% of the blue light. Relieving eye fatigue, dry and vision falling BETTER SLEEP: Reduce eye strain and headache, so you can enjoy a restful deeper sleep MATERIAL Frame: TR90 ; Lens: Polycarbonate (non-magnification) Worn couple of times, excellent condition.