Sunglasses are worn day by day by wide variety of ages and you can see sunglasses on women and men alike. What about motorcycle sunglasses? What are theit purpose?
Everybody remembers the cool Terminator style with dark sunglasses on, day or night. Definitely dark shades look great on motorcycles, but what about real life usage? Well, the kind of sunglasses matching the Terminator style are practical for casual wear and not for motor riding, no matter how cool they may look. Motorcycle sunglasses are meant to withstand high speeds on the road and be compatible with the use of a helmet. Rigorous protection, quality and durability are the features to expect from really good motorcycle sunglasses. They have to be durable because of the high speed impact with road debris that often hits the biker in the face.
Even if we are talking about contact with very small pebbles, low quality motorcycle sunglasses will not resist the impact and will chip or shatter. Moreover, glass is never used for the lenses because of the possibility to break and harm the biker’s eye. Polycarbonate is the best material for motorcycle sunglasses design because of its light weight and resistance to superficial collisions. All the manufacturers that produce eyewear for motorcycle use have special testing procedures to check the resistance of motorcycle sunglasses to impact and temperature variations.
Moreover, motorcycle sunglasses include special anti-glare coating that is a form of polarization for the elimination of the contact between eye and reflected light. A special element that receives no attention for other kinds of sunglasses is the vibration of the light waves, which could be a health risk at high speed conditions; in fact, the shock it produces has to be absorbed by the polarized lens layer. Squinting against the sun or road brightness is unacceptable for a biker. From this perspective motorcycle sunglasses are important for health protection and road safety given the eye damage that the glare may cause.
Last but not least, motorcycle sunglasses need maximum ultraviolet protection for the entire light spectrum. This means that there should be a balanced combination of UV protection and polarization. You don’t really need anti-glare features on overcast days, but the presence of clouds does not exclude the action of the ultraviolets. Bikers use motorcycle sunglasses even on not so bright days both for eye comfort as well as for protection. Eye disorders and the risk of getting cataract or macular degeneration are less likely to develop if the eyewear is right.
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