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  1. May 21, 2024 · Wearing sunglasses protects your eyes from harmful UV rays, which in turn reduces your risk of developing eye conditions such as cataracts and dry eyes. However, not all sunglasses are created equal. When buying sunglasses, experts recommend getting pairs that offer 100% UV protection.

    • Why Is UV Protection So Important?
    • How Much UV Protection Should Sunglasses have?
    • Do Dark Sunglasses Have Better UV Protection?
    • How to Test Sunglasses For UV Protection

    Exposure to UV radiation from the sun can harm your eyes and endanger your vision. In particular, cataracts, which develop when the naturally clear lens inside the eye becomes cloudy or opaque, have been linked to sun exposure. Studies have shown the more time people spend in the sun, the greater their risk of getting cataractsas they age. Excessiv...

    Ideally, you want sunglasses that have UV 400 protection. UV 400 blocks nearly 100% of the sun’s harmful ultraviolet light rays. This ensures light rays with wavelengths up to 400 nanometers, such as UVA and UVB rays, are blocked. To be considered UV-protective sunglasses, your shades must block 75% to 90% visible light and offer UVA and UVB protec...

    There is no relationship between the color or darkness of your sunglasses lenses and the amount of UV protection they provide. The lens tint color and shade intensity only tell you how much and what kind of visible light is blocked. For example, lighter amber tints enhance contrast. Darker amber hues help prevent glare and gray lenses lessen bright...

    UV-protective sunglasses block the sun's harmful rays because the lens material, or coating that’s been applied to the lenses, absorbs UV radiation. An eye care professional can test your sunglasses in a few seconds with an instrument called a photometer and tell you exactly how effective your shades are at protecting your eyes. You also can try a ...

  2. The level of UV protection provided by sunglasses can vary from pair to pair, but you can be rest assured that at Boots Opticians all our sunglasses meet the International Standard of ISO 12312-1:2013 (en). You’ll look great & feel safe too.

  3. You’ll still need to ensure that your sunglasses have certified UV protection in order to keep them safe from damage. What is UV400 protection in sunglasses? Sunglasses with UV400 protection can filter out up to 99% of UVA and UVB rays.

  4. Jul 7, 2022 · There are only two ways to test the UV protection of sunglasses. The first is to visit your local optician to have them test the lenses for you (they may or may not be so helpful). The second is to test them yourself with a UV light flashlight at home!

  5. To fully protect your eyes from UV rays, it's essential to choose sunglasses that offer 100% UV protection. Whether you’re skiing, visiting the beach, or hiking in the mountains, effective UV protection and glare reduction can safeguard and enhance your vision.

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  7. The first rule of thumb is to choose sunglasses that provide 100% UVA/UVB protection. But don't be fooled; darker lenses don't automatically offer more protection. Different lens tints can be beneficial for different activities. Polarized sunglasses help reduce glare and reflection off surfaces like water.

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