Golf Club City

Peak Vision XR4 Featuring our largest 1-piece A?shield-typeA? 6.25 spherical lens, the XR4 frame-style is crafted from magnesium/aluminum alloy. XR4 features unobstructed vision with no vision obstruction from the fully adjustable nose bridge. The maximum wrap Dual-Zone/Zero-Distortion lens delivers 100% UV400 eye protection. Width: 136mm Depth: 43mm Temple: 120mm Fits medium to large/broad faces.    Distortion In addition to the challenges associated with single filter lens, most sunglass lenses today are injection-molded polycarbonate (plastic), a 40 year old manufacturing technology. This technology, while producing light weight and inexpensive lenses, also produces lenses with very poor optical clarity. The distortion created during injection molding is a visible and pervasive artifact of all current performance sunglass lenses and also interferes with the ability to visualize contours and estimate distances. The graphic to the right shows a pair of our competitor’s sunglasses (bottom) and PeakVision�Sports Performance Eyewear through an optics viewer that displays optical distortion as a rainbow effect. To address the distortion in injection-molded polycarbonate lenses, PeakVision�Sports utilizes a new material called NXT� This new material provides clarity equivalent to optical glass at less than 40% of the weight, while offering scratch and shatter resistance far superior to traditional polycarbonate lenses. Additionally, NXT�offers 100% UV400 protection!  Dual Zone  PeakVision Sports incorporates two different technologies into a noticeably unique and differentiated lens by integrating multiple color management filters into a sport lens made from a revolutionary new optical polymer. PeakVision Sports developed the patented Dual-Zone filtration that utilizes different filters in two zones of a sunglass lens. In the upper zone, neutral-density gray filtration eliminates overhead glare from the sun and enhances distance perception. Through precise color and light management technology, PeakVision�Sport’s upper gray zone gradually transitions into an amber lower zone which enhances a golfer’s ability to read the topography of the green. For skiers, the upper gray zone transitions into a vermillion lower zone. .      Eye Strain  Our patented Dual-Zone lens addresses the number one challenge facing sunglass wearers – no single color filter can simultaneously address the extremes of light conditions always encountered with a bright sky and darker terrain. Our lens balances the light to reduce the workload on the iris (which manages the

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