Blue Light Filter Computer Glasses Unisex Cyxus w/Case NIB

This glasses are NON magnification and non-Rx/prescription(+0.0). Too much exposure to blue light at night suppresses the secretion of melatonin, a hormone that regulates sleep cycles. Eyestrain and headache can be caused by harmful digital blue light comes from digital device. Blue light blocking clear lenses are made of aviation-grade PC lenses with SHMC technology, explosion-proof, waterproof and anti scratch. These will reflect harmful blue light directly, prevent blue light from passing through the lens to your eyes. Suitable for the people who use digital device everyday. Brand new in box Cleaning cloth & Case provided Smoke free home