The modern square, charcoal frame of these blue light glasses is both popular and versatile, and it will finish off any look with great style. From casual to smart, and from street to office, this style offers versatility and will suit any face shape. These Blue Light digital glasses from Foster Grant have no magnification in the lenses, so your view is never changed. With today’s continued exposure to blue light through screens, artificial lighting and direct sunlight (and other natural and artificial sources), every lens in the Blue Light collection features patented blue light technology that filters 30% of potentially harmful blue light.* NO MAGNIFICATION LENSES LENSES FILTER 30% OF POTENTIALLY HARMFUL BLUE LIGHT* 100% UVA-UVB LENS PROTECTION IMPACT-RESISTANT LENSES MADE IN CHINA Incorporates a patented lens technology that filters an average of 30% of potentially harmful blue light as measured at 5nm increments in the 415-455nm range of the visible light spectrum. Covered under U.S. Pat. No. 8,360,574. Other U.S. and foreign patents pending. . .
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