Although less than 0.1% of natural sunlight is harmful to the human eye, extended exposure to artificial blue light has been proven to be just as damaging. One of the biggest culprits? Your smartphone. The American Optometric Association even recommends that you should turn off your device at least two hours before bedtime in order to avoid sleep disruption and problems with your vision. Luckily, there’s an easy solution: Oversized Blue Light Glasses.