Sleeptint Night Glasses Black/Amber Square Blue Light 。SleepTint Night Glasses, Artificial Light Blocking Glasses. Box does show slight damage, but item is new and unused. New in Box! Not your ordinary blue-light blocking glasses…. Crafted specifically for evening and night wear, SleepTint features patent-pending lenses engineered to harmonize with your circadian rhythm. By effectively filtering out all melatonin-inhibiting artificial light while promoting natural melatonin release, SleepTint offers unparalleled support for regulating your body\'s internal clock, ensuring restorative sleep and optimal well-being. In a digital era where artificial light exposure is nearly unavoidable, even during the night, SleepTint enables late-night screen use, without compromising eye health or sleep quality. Details: Durable Frames Regulate Circadian Rhythm Wake Up Energized Reduce Eye-strain Fall Asleep Faster Ultra-Light Materials Boost Melatonin Levels BPA-free Studio lighting may cause color variances in photos. See pictures for details. Please feel free to comment with any questions.