- Product Description
FIX YOUR BROKEN SLEEP AND INCREASE YOUR ENERGY
Restore your health by blocking damaging blue & green light with protective, stylish blue-green blockers from SafetyBlue™
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.