PROTECTION FOR YOUR EYES -Alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights with UV protection and glare reduction.REDUCE EYESTRAIN- Enjoy your digital time, NO worry about eye fatgue, blurred vision and headache.BETTER SLEEP -Amber lenses block more blue rays than others and see more realistic. YouÕll never have trouble with sleeping again.EXCELLENT MATERIAL -Ultra-lightweight frame material for durability and comfortable long-term wearing. Casual frame design keeps you looking professional and stylish while working or playing video games.DESIGN: A successful contrast between a retro square shape and futuristic clear finish, this frame is sure to turn heads wherever you goProduct Dimensions: ‎13 x 3 x 5 cm, 30 GramsProduct Description:Color:BlackMinimize headache Do you suffer headaches from long time screen time? Better World blue light blocking glasses will supercharge your health by blocking detrimental blue light while letting in all other beneficial light. Better Life Exposure to high rate blue light will impact our sense of circadian rhythms and wreck our internal rock, then cause insomnia. Wearing Better World blue light filter glasses will improve your sleep, help you sleep better and feel good everyday Anti eye fatigue Long time exposure to blue light would lead to digital eye fatigue. Wearing your Better World glasses, no more tired eyes. Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who has to look at screen all day.