Roebling Blue Light Glasses - Panorama frame with Clear 。Like new, worn twice Midnight surf color, dark gray blue color DESCRIPTION Roebling is an everyday classic with a modern twist on the soft key hole and flat top nose bridge. Subtle and refined, this remains one of our most liked frames. FEATURES Optical grade lenses Proprietary blue light lenses that benefit sleep, health and performance Double-sided anti-reflective coating Super hydrophobic treatment Premium organic acetate frame Hard case and cleaning cloth included 49-18-140 LENS TYPES CLEAR LENSES Filter up to 15X more impactful blue light than other clear lenses Up to 3X increase in melatonin levels when worn 2 hours before bedtime 9/10 customers feel relief from eye strain, headaches and/or blurry vision 47% increase in cognition; improved focus and productivity No color distortion Ideal for all day wear