Mesa Blue Light Blocking glasses help to filter high-energy Blue Light. The American Optometric Association has shown that too much Blue Light may cause eyestrain. It can also increase the risk of macular degeneration. Equally as important, overexposure to Blue Light can cause sleep cycle disruption by suppressing the production of melatonin. To combat its detrimental effects, protect your eyes with these stylish, lightweight glasses. They filter out harmful Blue Light wavelengths.