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"| Delivery time for this product is approximately up to 20 working days |\n\nBlue light blocking glasses for daytime use. A classic, unisex style frame which is ideal for work or relaxing at home.\nReduce digital eye strain\n\nDay Swannies can be worn all day, every day. Wear them whenever you are using digital devices to protect your eyes against harmful blue light and eliminate the symptoms of digital eye strain, including dry, sore eyes and headaches.\n\nDay time glasses block blue light and ensure that you work or do your gaming stress free; Anti Reflective and Anti Glare lens coating helps prevent Insomnia and Macular Degeneration\nNeed better sleep?\n\nWe recommend swapping to Night Swannies which block the full spectrum of blue light, to optimize your sleep / wake cycle and get a great night's sleep.\nDaytime Swannies Features\nCellulose Acetate Frames\n\nA Natural BPA-free environmentally friendly alternative to petroleum based plastics. Strong, lightweight and flexible, can be shaped to your face for a perfect fit and be readjusted.\nSpring Hinges\nSpring hinges on Classic Day Swannies provide a wide range of movement for extra comfort and durability.\nCR-39 Lenses\nPrescription-grade lenses and anti-reflective coatings for superior visual clarity and protection against blue light.\nControl blue light exposure\nThe Classic Day Swannies lens provides you with the perfect balance of protection against the most harmful part of the blue light spectrum (400-450nm), while letting in some of the healthy blue light (450-500nm), which helps regular circadian rhythm and improves alertness and memory function.\nFDA Registered\n\nSwanwick Sleep is fully registered with the Food and Drug Administration and offers a one hundred percent money back guarantee for risk free purchasing.\n\nWhich Classic Day Swannies Fit me\nThe majority of adults find that the regular size fits best for them.\nCompare the measurements to your current eyewear. The lens, bridge and temple widths are usually marked on the inside of the arm of the glasses\nAcetate frames can be heated up and moulded for the perfect custom fit, or adjusted if bent out of shape. Most opticians or eyewear stores will do this for free.\nTechnical Details\n\n\n\nSize\nLens Width\nBridge\n\nTemple \n\nWidth\n\n\nLens Height\n\n\nLarge\n55mm\n17mm\n150mm\n142mm\n44mm\n\n\nRegular\n53mm\n17mm\n140mm\n137mm\n40mm\n\n\nSmall\n50mm\n17mm\n140mm\n127mm\n38mm\n\n\n"
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