Improve sleep quality with SafetyBlue Sleep Savior Deluxe Amber Lens Night Glasses. Amber lenses block 99% blue and 82.8% green light to help reset your sleep rhythm and reduce eye strain. These amber light blocking glasses offer a comfortable fit with a removable foam seal to prevent light leakage and a choice of classic arms or a soft strap. 100% confidence guarantee: if you do not sleep better, we will refund you.