Classic Day Swannies Blue Light Blocking Glasses
THE BLUE LIGHT BLOCKING GLASSES CHOSEN BY LEADING HEALTH AND WELLNESS EXPERTS FOR DAYTIME DIGITAL EYE STRAIN PROTECTION. Swanwick's Crystal Day Swannies are tough to beat on the fashion front! These Day Swannies remain at the top of the bestsellers list month after month. You'll block the bad blue light from phones, tablets, and computers while attracting compliments like never before. You’ll find most clear-lens blue blockers on the market only block blue light up to 420nm. Day Swannies, however, block 98% of blue light at 400 nanometers, graduating to 45% at 450nm, and 21-45% of blue light between 450-500nm. This blend of blue light blocking ensures you the optimal conditions for performing your best all day long. Protects against symptoms of digital eye strain and computer vision syndrome. Allows a natural level of blue light exposure needed for optimal productivity during the day. Work longer without tiredness or eye fatigue. Block the most harmful wavelengths of the blue light