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  • What Does z87 Mean on Safety Glasses

    There are a lot of factors to consider when it comes to buying a pair of safety glasses. For example, there’s the style of the glasses, such as whether they’re standard fit, or wraparound. There’s the shape of the lenses, and whether or not they’re polarized to keep out glare while you’re working. T

  • What is the use of safety goggles

    Safety Goggles, or safety glasses, are forms of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes. They are used in chemistry laboratories and in woodworking.

  • Comparison of polycarbonate and Trivex lenses

    Here is a brief comparison of polycarbonate and Trivex lenses to help you decide which lenses might be best for you:
    Thickness. Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10% thinner than Trivex lenses.
    Weight. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 10% lighter than polycarbonate lenses.
    Optical clarity (central). Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses.
    Trivex lenses have a higher Abbe value and may produce sharper peripheral vision with less chromatic aberration than polycarbonate lenses.

  • Polarized sunglasses Best for reducing glare

    Polarized sunglasses always have been popular among driver and people who like fishing. The reason is that polarized lenses block glare from light reflecting off the surface of the water better than any other types of sunglass lenses.
    But sunglasses aren't just for fishing or driving. Anyone who is bothered by glare outdoors can benefit from these advanced sunglass lenses. Some light-sensitive people, including someone who has had cataract surgery, also will benefit from polarized sunglasses.

  • What are the best sunglasses for golf

    There are many choices for golf sunglasses. Choosing the best golf sunglasses is similar to choosing the best club to improve your game-advanced technology can help you get the best performance.
    Polarized sunglasses are popular choices for golf sunglasses because they provide excellent glare protection. But some golfers prefer non-polarized lenses because the slight differences in the blades of grass on the green are sometimes more noticeable without polarization.

  • What are the best sunglasses for fishing

    Because bodies of water have a highly reflective surface, and light reflecting off the water makes it nearly impossible to see what's beneath the surface. All fishing sunglasses should include polarized lenses.
    Polarized sunglasses block reflections from the water surface far better than ordinary sunglasses, and this allows you to see what's under the water. It is very helpful when netting a fish or judging the depth of a stream when fly fishing.

  • What are the best sunglasses for driving

    Visibility and clear, comfortable vision are essential for safe driving.
    The best sunglasses for driving should reduce or eliminate glare, especially from light reflecting off the roadway and other flat surfaces — such as the hood of the driver's vehicle and the windshields and other reflective surfaces of other vehicles.
    Polarized sunglasses offer the best glare reduction from light reflecting off these and other surfaces and are generally considered to be the best sunglasses for driving.

  • How to choose sports sunglasses lenses and tints

    Most sports sunglass lenses are made of polycarbonatematerial.It’s a fine choice. Polycarbonate lenses with extremely strong and resistant to shattering.As well as can be formed to provide excellent optical clarity.
    Cheap sunglasses lenses are simply produced in sheets, cut as with a cookie cutter, and then bent into shape. The result is optical distortion. Cheap lenses, worn for more than a short period, are almost certain to cause eyestrain. You get the sense that something isn’t quite right. “They might seem fuzzy, dirty, or foggy, but they’re not,” said SportRx’s Rob Tavakoli. “They're just not good lenses.”

  • How To Select Fit Over Polarized Sunglasses

    How To Select Fit Over Polarized Sunglasses
    It’s important that they are lightweight and comfortable to wear
    Choose the right lens color

  • how to measure polarized fit over sun glasses size

    Most fit over sunglasses models come in several sizes. So before you buy, you need to make sure to select the right size not too big, not too small… just right.
    Luckily, this process is very simple and requires only two measurements: the width and height of your prescription eyeglasses in millimeters.
    Every pair of fit overs will specify the maximum size of prescription eyeglasses they are designed to accommodate. So all you have to do is measure the height and width of your eyeglasses then compare them to the numbers listed on the fit overs you want to purchase.

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