YELLOW & RED DUAL LENS frame 40 BLACK Fit-Over MEDIUM SKU 247906238493
DUAL LENS Dim Light Melatonin Onset Eyewear with YELLOW MAIN LENS with FLIP RED LENS frame 40 BLACK Fit-Over MEDIUM SKU 247906238493
Frame #40 fit over style can be worn alone or over small prescription glasses. For persons who work night shifts. The yellow lens when worn a few hours before shift end, will entrain melatonin onset to begin prior to leaving work, while flipping down the red lens once outside in the bright morning sun will preserve melatonin onset during the travel home. This allows melatonin onset to precede attempted sleep time, making sleep more achievable and cellular repair time longer. Designated as medium. Dimensions: 130mm width, 48mm height, adjustable temples length 140mm plus. Weighs 52 grams.
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