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We and our partners process data to: Actively scan device characteristics for identification. I Accept Show Purposes. How to Choose the Best Sunglasses. How to Tell If Your Lenses Are Polarized If you're unsure whether your lenses are polarized: Take your sunglasses to the drugstore and grab a pair of polarized sunglasses from the shelf.
Place the lens of your sunglasses at a degree angle to the lens of the drugstore sunglasses. If the combined lenses turn dark or nearly black, your sunglasses are polarized. Frequently Asked Questions Are polarized sunglasses good for sports? Do polarized sunglasses make driving safer? Is it OK to wear polarized lenses while driving at night? Best Sunglasses for Migraines. Was this page helpful?
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Some people may find polarized glasses uncomfortable or may be unable to wear them due to their work. UV-protected lenses work by shielding your eyes against harmful UV exposure, which is linked to cataracts and eye damage. Even short-term exposure to harsh UV light can cause temporary blindness, or photokeratitis. According to the American Academy of Ophthalmology , many polarized sunglasses on the market include a UV protection coating.
Try looking at a reflective surface both with and without the lenses. Polarized lenses work by reducing glare from bright light off reflective surfaces and slightly increasing contrast, so they should make it easier to see things clearly in bright light.
Another way to check for polarized lenses is by looking at an LCD screen. Polarization can often make it more difficult to see screens than through regular tinted lenses. Through polarized lenses, LCD screens look black or very dark. Polarized lenses are a great option for anyone who is spending a lot of time outdoors.
Not only do they reduce bright reflection and unwanted glare, polarized lenses also help improve vision clarity in bright situations. Polarized lenses are one of a handful of sunglass options that you have to keep your eyes healthy in sunlight. And not just during the summer either. Streaks or specks of light in your vision are…. Damage can occur in a few seconds of staring directly at…. The lenses block all the horizontal light waves bouncing off a smooth pond or a shiny car hood, for instance.
As a result of this filtering, the image you see with polarized lenses is a bit darker than usual. But objects look crisper and clearer with polarized lenses, and details are easier to see. People who use polarized sunglasses often say they are less tired than usual after hours of battling sun glare. Polarized sunglasses can be a good choice for most everyday situations. These are some specific situations when polarized sunglasses may be especially helpful:.
Polarized lenses will have a label saying so. To learn more about the benefits and drawbacks of polarized lenses, talk with your eye care provider. About Foundation Museum of the Eye. What Are Polarized Lenses For? By Kierstan Boyd , David Turbert.
When a lens is polarized, it has a built-in filter that blocks bright, reflected light. This intense light is known as glare.
When glare is reduced, your eyes feel more comfortable and you can see your surroundings more clearly. Sunlight scatters in all directions.
But when it strikes flat surfaces, the reflected light tends to become polarized, meaning the reflected rays travel in a more uniform usually horizontal direction. Polarized sunglasses provide superior glare protection — especially on the water. Polarized sunglasses offer a few advantages when it comes to combating bright sunlight:. People who spend a lot of time driving during the day should experience better comfort and visibility with polarized glasses. That, in turn, can help them drive more safely and confidently.
However, keep in mind that drivers, boaters and pilots may experience problems seeing certain digital displays on instrument panels while they're wearing polarized sunglasses.
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