uv 400 sunglasses

What Is UV 400 Protection on Sunglasses?

What Is UV 400 Protection?

If you have been purchasing sunglasses, you have seen tags including some percentage of UV protection. There is no doubt that it is very important to understand the importance of shielding your eyes from these harmful rays.

So, you need to know how much protection is enough and what the UV 400 mean.

In fact, sunglasses with uv400 protection provide nearly 100% protection from harmful ultraviolet light rays, blocking wavelength up to 400 nanometers including UAV and UVB rays. UV rays are electromagnetic radiation from the sun. It can bring some damage to our eyes or skin if it directly reaches our eyes or skin.

So, protection from UV light is important because without it you are at risk of developing cataracts, macular degeneration, photokeratitis, or even eye cancers that can lead to permanent blindness.

Why Are UV Protection Sunglasses 400 Important?

However, the UV 400 sunglasses are helpful because they provide good protection for your eyes. Not all sunglasses provide UV protection. A pair of sunglasses may have dark lenses, which could be presumed to block rays, but that doesn’t mean the shades provide adequate UV protection.

If those sunglasses with dark lenses don’t have UV protection, they may be harmful to your eyes because the dark tint can cause your pupils to dilate, exposing your eyes to more UV light.  

In addition, the risk of damage to our eyes and skin from solar UV radiation is cumulative. The danger continues to grow the more time you spend in sunlight over your lifetime. So, wearing UV protection sunglasses 400 is very important.

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Where to Buy UV 400 Sunglasses?

Where to buy 400 sunglasses? You can buy the uv400 protection sunglasses from the local optical store or you can choose to buy them online. If you want to buy UV protection sunglasses 400 online, Koalaeye Optical is recommended for you. Koalaeye Optical is an online glasses store and provides all kinds of glasses, sunglasses, and frames. So, you can buy the UV 400 sunglasses from here.

To sum up, this post has shown what the UV 400 protection is and also has shown you the benefits of the sunglasses. If you have any different ideas of uv400 sunglasses, you can share them in the comment zone. If you have any problems with glasses or sunglasses, please feel free to contact us via the email service@koalaeye.com and we will reply to you as soon as possible.

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