Oakley Men's ‘Offshoot’ Sunglasses of canadian

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stindows
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Oakley Men's ‘Offshoot’ Sunglasses of canadian

Postby stindows » Tue Oct 16, 2018 12:00 pm

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Feeling creative? Opt for a customizable pair of shades hand-built to your preferences. You can choose between six different lens colors and ten frame shades including satin and matte finishes. While Oakley offers a number of customizable styles, we like the Offshoot because of its classic design that you can take both to the slopes and the beach.
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Re: Oakley Men's ‘Offshoot’ Sunglasses of canadian

Postby presserffg » Tue Oct 16, 2018 4:48 pm

There are two key elements to consider regarding sunglasses design, fashion and function. In the last few decades sunglasses have become a high fashion item, and the current design process reflects this status. Upscale clothing designers, fragrance marketers, and sporting goods vendors custom-design sunglasses to promote their own specific image. By and large these design changes are not functional; they are intended to increase the fashion appeal of the glasses. Stylized frames, uniquely shaped lenses, and embossed logos are all part of this designer mystique. While some designs are considered "classic" and timeless, others must be continually updated to satisfy the public's constantly changing tastes. The children's sunglasses market is another area which requires frequent redesign, since the style of the glasses changes from season to season based on merchandising tie-ins with popular cartoon or other characters.

Sunglasses
From a functional standpoint, sunglasses are designed specifically for a variety of outdoor activities. Sports enthusiasts have specific requirements that are reflected in sunglass design. For example, sunglasses designed for trap shooters are designed to provide maximum contrast to allow better viewing of their clay pigeon targets. On the other hand, sunglasses for skiers are designed to counter the light reflected of snow-covered surfaces. Lenses of the this types are known as blue blockers, because they filter out violet, blue, and some UV rays. Fisherman and boaters have their own special needs that must be addressed as well. Today there are custom-designed sunglasses for these activities and many more.

Sunglasses can protect the eyes in several ways. The glasses can either absorb or reflect certain frequencies of light, for both reduce the amount of light that enters the eyes. The absorbing types use various substances that are added to the lens material to selectively absorb light of specific frequencies. This range of frequencies can be controlled by changing the mixture of colorizing additives. The strength of the absorption is controlled by adjusting the amount of additive. Reflecting lenses have multi-layer antireflective coatings, consisting primarily of metallic particles. These metallic coatings reflect all colors of light and UV radiation equally well. There are reflective types with non-metallic coatings, which create a coloring effect. By varying the type and amount of colorant additive or coating, a large variety of lenses can be produced. The color of the finished lens indicates which portion of the visible spectrum is being transmitted. For example, if the lenses are dark yellowish, they absorb violet, blue, and probably some UV rays.

A special type of absorbing lens filters out polarized light. Light actually consists of two waves, one propagated in the horizontal plane and one in the vertical plane. When light bounces off a flat surface, such as snow, roadways, or a shiny metallic objects, the horizontal component is seen as glare. Polarized lenses are made using a special optical filter which absorbs the horizontal component of light and transmits only the vertical component. As a result bright reflected light is eliminated and eye strain is reduced. However, polarized lenses do not block UV light, so they require additional coatings or coloring agents to provide complete eye protection.

Another type of lens, the photochromatic lens, contains silver salts like those used in photographic film. These lenses darken out-doors and lighten indoors. In this way the lenses change color in response to UV exposure. However, the range of lenses' color change is not broad enough to be effective against most light frequencies, and although they are widely used, photochromatic lenses are not universally accepted by optometrists.
Soluble organic dyes and metallic oxide pigments are added to the lens material to absorb or reflect light of certain frequencies. These additives must not distort colors excessively, however; for example, badly colored lenses may make it difficult to discern the correct color of traffic lights. Gray lenses produce the least distortion for most people, although amber and brown are good too. Blue and purple tend to distort too much color. The additives also should block at least part of the blue light which is part of the lower frequency UV rays. Brown or amber screen out blue light the best, but at the cost of some color distortion. Various chemical coatings which are added to the lens can enhance viewing by reducing reflection or screening out polarized light.
graduateduser
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Re: Oakley Men's ‘Offshoot’ Sunglasses of canadian

Postby graduateduser » Wed Oct 17, 2018 1:51 pm

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Prescription glasses are a mandatory item and they are famed for creating quite a hole in our pocket. In case you wish it to be a fashion style statement, then the fancy frames, add-ons, protective lenses and others would add that extra pinch which can be quite a sore. However, the following secret ways will land you with a pair of terrific but cheap prescription glasses.

Today glasses have become a top fashion accessory. Thus its prices have soared, especially the branded ones. However, opting for non-branded ones will not leave you disappointed with their quality and they would save quite a fortune for you.
stindows
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Re: Oakley Men's ‘Offshoot’ Sunglasses of canadian

Postby stindows » Wed Oct 17, 2018 4:21 pm

graduateduser wrote:Image

Prescription glasses are a mandatory item and they are famed for creating quite a hole in our pocket. In case you wish it to be a fashion style statement, then the fancy frames, add-ons, protective lenses, and others would add that extra pinch which can be quite a sore. However, the following secret ways will land you with a pair of terrific but cheap prescription glasses.

Today glasses have become a top fashion accessory. Thus its prices have soared, especially the branded ones. However, opting for non-branded ones will not leave you disappointed with their quality and they would save quite a fortune for you.



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