The Vybe Blue Light lenses protect your eyes from excess blue light emitted from phones, laptops & television sets. It is now known that exposure to blue light before bed actually reduces sleep quality. Wearing the Vybe Blue Light glasses will enhance your sleep quality & can reduce headaches associated with looking at technology for too long. Excess exposure to blue light can also cause blurry vision. By wearing these glasses throughout the day, you will notice a more relaxed sensation in your eyes due to the tint within the Vybe lenses.