SafetyBlue™ Blue and Green Light Blocking Safety Glasses

FIX YOUR BROKEN SLEEP AND INCREASE YOUR ENERGY

Your computer reading glasses magnification/power depends on how far you are from the screen you are viewing. For a laptop or desktop about 19+ inches away, select a magnification HALF your normal reading power. For a smartphone, tablet or a book about 12 to 18 inches away, select your normal reading power.