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eye care eye test book eye test frames lenses sunglasses contact lenses kids eyesight customer guarantee safety eyewear quick finder     about OPSM ask the Optometrist career contact lenses contact us customer guarantee customer service eye examination home kids eyesight OPSM direct OPSM story products & services stores sunglasses safety glasses	DriveWear sunglass lenses » leading technology DriveWear® sunglass lenses are a unique combination of two leading technologies - polarisation and Transitions® photochromatic material. The high contrast polarising filter helps make vision clearer and brighter by reducing or eliminating glare. Even better, the lens colour automatically adjusts to varying light conditions, further optimising your vision. » why DriveWear is revolutionary Although traditional polarised lenses do a great job of blocking glare, most are too dark to offer optimal vision in the range of light conditions encountered whilst driving or outside. And whilst traditional photochromic lenses have worked well for people moving between outdoors and indoors, they do not darken significantly behind the windshield of a car, since the windshield blocks the ultraviolet (UV) light that activates the photochromic material. Nor do the traditional photochromic lenses offer polarisation, which is the only way to effectively block blinding glare. View from car without DriveWear lenses View from car with DriveWear lenses » how they help your eyes DriveWear lenses are designed to change colour, as they react to varying light conditions both outside and inside the car, to give you the best possible vision in all conditions. overcast, low light conditions: yellow-green lens colour The high efficiency polarised filter is yellow-green in colour to provide maximum contrast in low light conditions. This colour is engineered to maximise the transmission of useful light to the eye while providing glare protection when needed. daylight driving conditions: copper lens colour Increased ambient visible light causes DriveWear to darken to a copper colour. This is designed to remove both the excess light and to provide good traffic signal recognition, by highlighting the reds and greens. Polarisation removes the glare. bright outside light conditions: dark reddish-brown lens colour In bright outdoor conditions, the DriveWear lens turns a deep dark brown colour. This colour is selected for maximum filtration of excess light. In this state, the lens performs like a high quality dark polariser to provide maximum protection from bright light and blinding glare. » who will love these lenses • All drivers, especially professional drivers like truck, taxi, courier, police, ambulance and emergency services • Seniors - enhanced vision in varied conditions is perfect for ageing eyesight • Outdoor enthusiasts, walkers or bike riders - will give clear vision under trees, in tunnels and in strong outdoor light • Golfers - perfect for following the ball in the air and seeing it clearer on the green • Anglers - ideal for reducing glare on the water's surface, so you have a better chance of seeing the fish
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