Are they even safer? Not exactly. While they do sharpen your vision in situations where glare can be distracting or even dangerous, they don’t offer any additional protection from UV light. So in other words, they’re not healthier for your eyes, but they do improve your vision for many outdoor activities.

Polarized lenses work to reduce that. The filter does so by only allowing in vertical light, and since glare usually enters the eye horizontally, polarized lenses block out some of the light entering directly into the eyes. Understand, however, polarized lenses don’t protect your eyes from damage.

Pilots cannot wear polarized lenses because the polarization can reduce or eliminate the visibility of instruments that use the same anti-glare filters as the glasses, causing the screens to look distorted.

Normal sunglasses provide you only protection against harmful UV rays. Whereas polarized sunglasses contains an inbuilt laminated filter, which blocks harsh rays of the sun as well as reduces the effect of intense glare, which is a causative for loss of vision.

All Ray-Ban lenses have UV protection, but the exact level varies among the types of lenses. Here’s what Ray-Ban offers: Classic lenses absorb 85% of visible light and block most blue light while providing a “natural vision” because they don’t alter the colors you see around you.

Polarized Shades Keep You on Top of Your Game While the goal of UV-blocking lenses is to protect your eyes, the point of polarized lenses is to remove glare so you can see more clearly and easily, i.e., less squinting! reduces glare. “If you want to check that your sunglasses are polarized,” says Dr.

All sunglasses with polarized sunglasses block 100 percent UV, regardless of the lens material or price of the eyewear (though polarized sunglasses tend to be more expensive than sunglasses without this extra glare-blocking feature).

Polarization and UV Protection Are Not One and the Same This is known as glare. Polarized lenses have a special filter that blocks intense reflected light for better visibility. Images seen through polarized lenses may appear a bit darker than normal, but objects should look clear and crisp.

Look at a bright, reflective light source (e.g., glass, water, or polished metal) with your shades on. If the light increases in intensity when you tilt your head sideways to around 60 degrees, you’re wearing polarized sunglasses. If there’s no change in quality, they’re just tinted.

For comfort and safety, choose sunglass lenses that are both impact resistant and scratch resistant. Polycarbonate lenses usually are the best choice for sunglasses because they are lightweight and significantly more impact resistant than lenses made of glass or other materials.

The Big Number: UV ratings for sunglasses For protection, says the American Academy of Ophthalmology, wear sunglasses that block 99 to 100 percent of both UVA and UVB rays. Retailers say that requires a rating of UV400 or higher.

Because sunglasses lose UV protection the more you wear them in the sun, the answer to “how often should you replace your sunglasses” depends on how frequently you wear them. If you find that you wear your sunglasses about two hours a day, you should replace them every two years.

According to the American Academy of Ophthalmology, you should choose sunglasses that block 99% to 100% of UVA and UVB rays, and UV 400-protected sunglasses do this.

The answer to this question is yes, all Ray Bans have UV protection. However, not all Ray Bans provide the same UV protection – depending on the coating of the lenses, there are shades which provide up to 100% UV protection, while other lenses allow a quarter of the light to reach the eyes.

Investing in sunglasses that are labeled UV400 blocks 99 to 100 percent of UV light. This rating ensures that all light rays with wavelengths up to 400 nanometers, including both UVA and UVB rays, are blocked out. The UV protection is built into the lens, so it won’t fade or disappear over time.

Having UV protection on your glasses means that the lenses they’re equipped with can guard against the sunlight’s UV rays. This special quality makes it easier to see in bright-light conditions, protects your eyes against the harmful effects of the sun, and lessens the amount of squinting you have to do.

The type of glasses frames you choose play a part in how protected your lenses are from scratching as well. So, if you’re still wondering whether or not the anti-glare and anti-scratch coatings are worth the small, additional price you would pay to have them added to your new glasses, the answer is yes – absolutely.

Summary: Clear Lens Sunglasses Contrary to popular belief, clear sunglasses do work by providing extra UV protection via UV-blocking lenses. You can also get them with anti-reflective lenses. Translucent sunglasses function just as well as sunglasses with colored lenses.