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When it comes to protecting your eyes during activities, there are some new technologies you should be aware of. Here is an overview:
Lense Technology
That latest technology in lenses includes Xtreme Lens Technology, polarized Multi-Layer Filtration and polycarbonate lenses. Xtreme Lens Technology is a new technology that works to block glare but without changing the perception of colors. The lenses are coated with multi-colored flash mirror coating to reflect light for complete anti-glare protection. The Xtreme Lens Technology, or XLT, offers the wearer a smoke grey view from the inside.
Polarized Multi-Layer Filtration technology lenses are made from one piece of distortion free, ophthalic quality polycarbonate. The key to this technology is that there are no laminates included to degrade the polarization. With Multi-Layer Filtration, or MLF, the lenses block vertically reflected light and glare by aligning the crystalline structure of the lenses. This makes lenses that use MLF technology an excellent option for use during any water sports activities or around water, for snow and snow related activities as well as for driving, whether a vehicle or motorcycle.
The latest technology in polycarbonate lenses offers the advantage of being shatterproof, as well as optically correct allowing for zero distortion. Polycarbonate lenses are excellent for use in just about any lighting condition. Polycarbonate was developed by GE, and is a form of LEXAN, which is also used for bullet resistant glass in vehicles. Polycarbonate is an extremely hard material and a diamond grinding wheel must be used to cut it. One advantage of polycarbonate is that it offers natural UV protection, which allows you to have full UV protection even if you’re using clear polycarbonate lenses. In addition, polycarbonate is extremely durable and resistant to breaking or shattering. It’s also lightweight and very scratch resistant. Polycarbonate offers such durable and reliable eye protection, that it is the only type of lens approved and used for use by law enforcement and fire departments.
Lens Coating Technology
Different colors of lens coatings offer different advantages. For instance, grey, grey-green and smoke colored lenses are excellent for blocking glare without changing your perception of colors. Brownish and amber colored lenses are good for blocking blue light or diffusing light that is common on cloudy or overcast days. Amber colored lenses are a great option for areas with fast changing weather, since they can improve your contrast and depth perception in many different kinds of weather. Yellow tinted lenses are great for cloudy or overcast days as well, the yellow tint will help with contrast and enhance your visual acuity or the feeling of visual acuity. Clear lenses are a good option for eye protection against glare at night or during low light conditions.
Frames Technology
The latest technology in frames is called CSF, or Composite Shock Frames, which creates a low mass, low inertia frame that should bounce or move much less during sports activities. The composite material is also very lightweight, comfortable and rugged, allowing for extended use while remaining comfortable.
Lens Systems
The latest lens systems include the X Changeable Lens System, which includes multiple lenses for different conditions and activities that can be interchanged as needed.
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Source: http://ezinearticles.com/?Latest-Technology-In-Sunglasses-and-Goggles&id=520811