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Sunglasses knowledge decomposition

Why do I need to wear sunglasses? First, why the need to wear sunglasses? The role of the sunglasses: sunglasses role: a, to prevent ultraviolet light damage to the eyes (a lot of guests to buy sunglasses in order to shade), to prevent ultraviolet light damage to the eyes (a lot Cheap Oakley Sunglasses of guests to buy sunglasses just to the sun); b, decorative effect; decorative effect; c, to prevent damage to the eyes of foreign small objects, qualified sunglasses: Qualified sunglasses basic conditions: a sunglasses lens must be able to effectively prevent the ultraviolet rays;, sunglasses, lenses must be able to effectively prevent the ultraviolet; b, consumers wear sunglasses must be able to clearly distinguish red, yellow and green; green color; consumers to wear sunglasses to be able to clearly distinguish red, c, sunglasses must be able to withstand a certain degree of impact. Sunglasses must be able to withstand the impact. d, consumer wear sunglasses depending on the material without deformation. , Consumers wear sunglasses depending on the material without deformation. 3, the eyes of the ultraviolet light will cause what damage: UV eyes will cause what kind of damage: a human eye (lens) can easily absorb ultraviolet light, the human eye if the invasion by ultraviolet light, the human eye (lens) very easy to absorb ultraviolet light, and will not immediatelyordinary sunglasses can only light is a simple reduction of the transmission intensity of light, ordinary lenses for glare can play a diminished role (ie, a simple weakening of the brightness of the incident light) but can not eliminate glare, but can not eliminate the glare of light play a diminished role (ie, a simple weakening of the brightness of the incident light) but not eliminate glare, polarized lenses can not only weaken the incident ray, can effectively eliminate glare and improve visual effects; polarized lenses not only be able to weaken the incident light, but also effectively eliminate glare and improve the visual effects; reason why polarized sunglasses lenses have priority to eliminate glare. the reason why polarized lenses Active Oakley Sunglasses that have a priority to eliminate glare, its principle is similar to shutters when we Fake Oakley Sunglasses adjust the blinds blade angle adjustment of the angle of the louver blades, like, when we adjust the blinds leaves the point of view, the interior light will produce changes to dark or from dark to specified changes, to the next, this is because only louver blade angle parallel to the light to come through the blinds into the interior, making the light scattering by chaotic multi-directional adjustments for one-way direct light indoors, making light scattering by the chaotic multi-directional adjustment for one-way direct light into the interior into the interior so that


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