RED LENS 51 BLACK Fit-Over Style MEDIUM SKU 7751502471

RED LENS Dim Light Melatonin Onset Eyewear frame 51 BLACK Fit-Over Style MEDIUM SKU 7751502471 Frame #51 black fit over style designated as medium, and can be worn over prescription glasses, although not as square and massive in appearance  as frames 31, 36, 38, and 39, thus intended for men or women who wear smaller prescription glasses. Frame 51 is the smaller version of frame 53.  Dimensions:  145mm width, 45mm height, fixed temple length 141mm. Comes with comfort fit soft temples and superior temple coverage. Weighs 40.3 grams. 60 DAY NO QUESTIONS FULL REFUND POLICY FREE SHIPPING IN THE USA AND CANADA UV BLOCKING MADE IN USA   HOW TO USE MELATONIN ONSET EYEWEAR FOR TYPICAL NIGHT TIME SLEEP NIGHT SHIFT WORKERS - HOW TO USE MELATONIN ONSET EYEWEAR Melatonin Eyewear Testimonials (Orange Lens) Which color lens works best: RED or ORANGE or YELLOW?  Do not use Uvex SCT Orange Eyewear for Melatonin Onset Preservation Can I just Turn Off the Blue Pixels and Skip Wearing the Orange Glasses?