From the Manufacturer Your eyes are tired...staring at a computer for hours and hours takes its toll. The common solutions for handling eyestrain require you to modify your work habits or take numerous breaks throughout the day. They're all patchy fixes that pull you away from your work. So take your choice...digital eye fatigue or less productivity. There is a better technology driven solution that works with and enhances properties of the human eye. Gunnar digital eyewear increases visual performance, prevents Digital Eye Fatigue (DEF) and protects against full-blown Computer Vision Syndrome (CVS). It all begins with i-AMP lens technology -- an optical platform that incorporates proprietary lens materials, lens tints, lens coatings, and lens geometry. Gunnar digital performance eyewear is engineered for an immediate and profound visual advantage and now even the most demanding computer users are more productive and more effective for longer periods of time. Gunnar Digital Performance Eyewear -- the must have digital performance equipment for your digital lifestyle. Catalyst Metal SheaDog Closed circuit. The electricity flows fast in this slimmer silhouette frame. Reduced frame height delivers full coverage performance, the SheaDog ergonomically fits a wide range of face shapes. Low profile temples provide headset compatibility and long haul ergonomics. i-FI lens coatings i-Fi lens coatings filter and protect. Our proprietary nano-filters help capture all of the good light coming from the computer screen while diffusing the bad reflective light and glare. The outer coating provides a protective layer that shields the lens from scratching, abrasion, and oxidation damage. fRACTYL lens geometry Computer generated fRACTYL lens geometry mimics nature through advanced science and engineering. Aiding the natural focusing power of the cornea, our lens geometry eases eyestrain caused by near distance computer viewing. fRACTYL lens geometry uses independently curved front and back surfaces to provide unparalleled distortion-free optics. Fused with Gunnar frames, the tightly arced lenses form a personal ocular microclimate that prevents dry eyes. iONik lens tints iONik lens tints take harsh artificial light and precisely tune it to match the anatomy of the eye. Our custom organic dye compounds condition and shift transmitted light into the preferred color spectrum, increasing visual contrast, detail and resolution. Edges of screen pixilated images read more easily and interfering blue light is reduced -- ultimately your eyes are less fatigued. diAMIX lens material No existing lens material had all the properties we needed. So we gave our lab techs the task of developing the lightest, most optically pure lens material possible. Beating out polycarbonate on the toughness scale and rivaling the undisputed optics of ground glass, diAMIX is the next generation of lens materials for those that demand the highest optical qualities. Product Description Working in an office or at home and staring at a computer screen for hours can cause damage to your eyes. Electronic devices like tablets, computer screens, and smartphones produce blue light, which can cause eye strain and possibly lead to cataracts, sleep disorders, and macular degeneration. To reduce the potential of these conditions and to improve your overall well-being, using a pair of powerful, advanced computer glasses can help. The GUNNAR Optiks G0005-C001 SheaDog Advanced Computer Glasses are the only eyewear recommended by doctors to protect and enhance your vision when viewing digital screens at home or in the office. These stylish, yet precision-manufactured advanced computer glasses allow you to stay focused and perform daily tasks. The amber lens tint makes them perfect for video gaming or computer use, as they improve gaming graphics. The SheaDog’s 130-millimeter temples, full rim frame, and fastener-free hinges are made of stainless steel and designed to generate proper strength and optical stability. Weighing only 20 grams, these lightweight glasses are properly balanced to reduce pressure points and combat eye strain. They are Asian Fit compatible, with lenses made from proprietary and patented GUNNAR lens material and tint that blocks harmful blue light and 100% of UV light. For added protection and durability, the silicone lens has been hard-coated to prevent scratching. The one-piece front construction eliminates all welds, screws, and other potential points of failure. The GUNNAR Optiks SheaDog Full Rim Ergonomic Advanced Computer Glasses are available with an amber lens tint, an Onyx or Mercury frame finish, and a 1-year limited warranty against manufacturing defects. The lens width is 56 mm, the nose is 18 mm, the frame width is 130 mm, and the temple is 130 mm, with a weight of 16 grams (without packaging).

• BLOCK BLUE LIGHT: GUNNAR lens tints filter artificial blue light emitted from digital screens. Just how Sun Protection Factor (SPF) measures protection for the skin, the GUNNAR Blue Light Protection Factor (BLPF) scale measures lens protection for the eye.
• IMPROVE SLEEP: GUNNAR glasses block harmful blue light, which helps you maintain your circadian rhythm, the body’s natural sleep cycle.

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