Polarized meaningPolitics

Polarized sunglasses with photochromic lenses can also be convenient for eyeglass-wearers who are in and out of the sun on any given day.

But polarized sunglasses aren't just for people who love boating, fishing or lounging on the beach. Anyone who is bothered by outdoor glare can benefit from this type of sunglass lens.

If you have even a small amount of refractive error, correcting your outdoor vision with prescription polarized sunglasses will help you see as clearly and comfortably as possible during the day.

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And remember, not all polarized sunglasses offer complete protection from UV rays. Always double-check that your sunglasses — whether polarized or otherwise — block 100% of UV rays, including both UVA and UVB.

Polarized sunglasses don't have too many downsides, but it's still important to weigh the pros and cons. If polarization will make operating devices or vehicles difficult — or dangerous — switch to a non-polarized alternative.

Polarized meaningin Chemistry

When a lens is polarized, it has a built-in filter that blocks bright, reflected light. This intense light is known as glare.

During downhill skiing, for example, you want to be able to see the bright glare reflecting off of icy patches, so you can steer clear of them.

Polarized meaningin Hindi

Polarized sunglasses are known for their ability to block the glare that reflects off of certain surfaces. This makes them very popular among people who spend a lot of time outdoors, on the road and around bodies of water.

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. This can be a problem if a split-second decision depends on the information displayed on a screen.

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Some light-sensitive people, including those who have recently had cataract surgery, can also benefit from polarized lenses.

Polarized lenses may improve comfort and visibility, but you can come across situations when polarized lenses aren't the best idea.

Polarized meaningsunglasses

A: Yes, Ray-Ban has a polarized lens option that can be added to most sunglasses. Polarized lenses also come with a back-surface anti-reflective coating. To find out if a pair of Ray-Ban lenses is polarized, check the Ray-Ban logo on the right lens — polarized lenses will have a “P” next to the logo.

To bump up comfort and performance, ask your eye care professional about adding anti-reflective coating to each lens. This coating reduces distracting reflections from the back surface of your lenses.

Polarized meaningin Urdu

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.

A: Polarized lenses are not recommended for pilots because they can affect a pilot’s ability to see the liquid crystal instrument panels in the cockpit while flying. This can pose a major safety hazard.

Polarized sunglasses can be helpful for driving too, since they reduce the glare that reflects off of cars and light-colored pavement.

Progressive lenses can include polarization too. These can be handy accessories for people over 40 who spend a lot of time outdoors.

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.