block 33% within 480nm

COMPUTER READING GLASSES - Blue light blocking computer reading glasses can reduce eyestrain when you are working on computer

Lens width about 1 1/8 inches (53mm)

Lens height about 1 7/16 inches (37mm)

Frame width about 5 1/2 (140mm)

Oval Glasses Stylish Blue Light Filter Readers 1-CG144 feed-color-Transparent/Grey block 33% within 480nmPROTECT YOUR EYES Anti glare lens coating prevents insomnia and macular degeneration. Low blue light glasses provide computer eye strain relief & alleviate dry eyes & relief headache when using your T. V., smartphone, tablet or PC gamer equipment. BLOCKING OVER 30% BLUE LIGHT Blue light blocking technology naturally blocks out the recommended 30% of blue light rays: do not settle. Protect your eyes with the best blue light blocking glasses money can