Eagle Eyes Clip-On sunglasses give prescription wearers the same clearer, brighter, and vivid colors as our other Eagle Eyes styles. You will see better and feel better than you ever thought possible. Features include...... Leatherette Hard Carrying Case Micro-Fiber Soft Carrying Pouch Blue Blocking Glare/Reflection Blocking Light Enhancing Patented Triple Filter Lens WHAT MAKES EAGLE EYES® SO GREAT? The technology is so unique that it holds the following United States and International patents: No. 4,952,046 No. 4,878,748 No. 5,177,509 No. 5,400,175 These glasses not only protect your vision from all the sun's harmful radiation, they actually enhance your vision enabling you to see more clearly in normal, foggy, hazy, or cloudy sunlight conditions. HOW THEY WORK Eagle Eyes¨ initially seem to brighten viewed surroundings. However, please note that your eyes are comfortable and you feel no need to squint. This is because Eagle Eyes® PST (Polarized Selective Transmission) lenses selectively block 99% of harmful blue and violet light and 100% of damaging ultraviolet radiation below 475nm while allowing the other, visually useful colors of light to pass through. Conventional sunglasses have dark lenses which indiscriminately block much of the useful light without regard for hazardous wavelengths. Dark lenses reduce visibility and shadow perception. Eagle Eyes® glasses, similar to the natural filters within the eyes of hawks and eagles, offer greater safety than conventional sunglasses, without being dark. With this new technology, one can have safety and comfort without resorting to dark lenses that reduce visual acuity. WHAT THEY DO Eagle Eyes® glasses tend to make scenes more vivid. Harmless wavelength colors (i.e. red, orange, green) are enhanced, while damaging colors in the blue and violet wavelengths are perceived as grey or black.
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