Why have polarised sunglasses

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….

How do EnChroma glasses work? If you watch videos online, you might think EnChroma glasses are a magical cure for color blindness. But expectations…. Droopy eyelids can affect more than your appearance. Over time, they can start to limit your field of vision and impact your ability to see. Keratoconus is a disorder that leads to thinning of your cornea. It primarily affects children and young adults.

We explain causes, treatment, and…. Iritis, also known as anterior uveitis, involves the inflammation of the iris, the colored part of your eye. It's important to get medical care if you…. Health Conditions Discover Plan Connect. Type 2 Diabetes. What Are Polarized Lenses? Medically reviewed by Ann Marie Griff, O. Who uses polarized lenses? Benefits of polarized lenses. Disadvantages of polarized lenses. Sunlight reflecting off smooth water, snow or flat roads can create glare which is not only annoying but can often be dangerous.

Blinding sun glare can cause accidents, snow blindness and can even sunburn your eyes. Long term exposure to sun glare has been known to cause cataracts. Thankfully, polarized lenses can shield you against the dangers of intense glare. A virtually invisible filter can be built into lenses to eliminate the amount of reflecting light that enters the eye. Available for prescription and non-prescription sunglasses, polarized lenses can be worn indoors by light-sensitive people, including post-cataract surgery patients and those continually exposed to bright sunlight through windows.

Most polarized sunglasses provide UV protection which is important to maintaining healthy eye sight. Polarized lenses can be combined with other features to enhance vision, such as bifocal sunglasses and progressive lenses, and coatings like anti-reflective and anti-scratch.

Your healthy eyes will thank you. Members Members. As mentioned, polarized lenses can also reduce the visibility of images on certain digital screens. 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.

Progressive lenses can include polarization too. These can be handy accessories for people over 40 who spend a lot of time outdoors. Polarized sunglasses with photochromic lenses can also be convenient for eyeglass-wearers who are in and out of the sun on any given day.

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. And remember, not all polarized sunglasses offer complete protection from UV rays. The first step toward the best possible vision with polarized lenses is to schedule an eye exam.

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. 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. This can pose a major safety hazard.