Looking out for the environment.
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Prevent eye strain from electronic screens.
Protect against UV rays from the sun.
Have added durability for your lenses.
Blue light is one of the colors in the visible light spectrum that can be seen by the human eye. It has a short wavelength, which means it produces higher amounts of energy than other colors of light. Our eyes cannot filter blue light, so more of the light reaches the retina. While some blue light can be a benefit to your body and brain, overexposure can cause eye strain, disrupt your sleep patterns and cause permanent damage to your vision. If you regularly use computer screens and smartphones or are frequently exposed to fluorescent lights or sunlight, you should consider glasses that block blue light.
Tech Defense™ blue light-blocking lenses reduce exposure to harmful blue light by 20% from 415nm-455nm inclusive of 435nm.
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