Lola Blue Light (Non-Prescription)Lola + LIGHTWEIGHT COMFORT NO PRESSURE POINTS NO SLIP GEKO PADS 2 YEAR WARRANTY BLOCKS HEV BLUE LIGHT IMPROVES SLEEP IMPROVES PERFORMANCE REDUCES EYE STRAIN WE BLOCK BLUE LIGHT BETTER. It's Science. Harmful artificial blue light from our computer and phone screens, specifically at the 455 nm range, signals our brain to stop producing melatonin. Without melatonin production we take much longer to fall asleep and wake up way more throughout the night.