The importance of UV protection in sunglasses

 Why is UV protection important?

Sunglasses are not only a fashion accessory, but also essential protection for your eyes. In this article you will learn why UV protection is so important in sunglasses and how to choose the right sunglasses.

Why UV protection is important

UV rays emitted by the sun can cause significant damage to your eyes. There are three types of UV rays: UVA, UVB and UVC. While UVC rays are blocked by the ozone layer, UVA and UVB rays reach the earth's surface and can cause the following damage:

  1. Short-term damage: Unprotected exposure to the sun for too long can lead to painful sunburns on the cornea (photokeratitis), also known as “snow blindness”.
  2. Long-Term Damage: Long-term UV exposure increases the risk of eye diseases such as cataracts, macular degeneration and pterygium (tissue growths on the surface of the eye).

How UV protection works in sunglasses

Sunglasses with UV protection are specifically designed to block harmful rays and protect your eyes. Here's how they work:

  1. UV filters: These filters are built into the lenses and block up to 100% of harmful UV rays. When purchasing, make sure that the sunglasses offer 100% UV protection.
  2. Polarization: Polarized lenses also reduce glare from reflected light, which is particularly helpful when driving or water sports.
  3. Materials: High-quality materials such as polycarbonate offer both durability and optimal protection. Most lenses in sunglasses are made of plastic lenses, these are light and can be colored in all imaginable colors.

Tips for choosing sunglasses with UV protection

When buying sunglasses you should pay attention to the following criteria:

  1. 100% UV protection: Look for labels that state “UV400” or “100% UV protection.” These designations ensure that the glasses block harmful UVA and UVB rays.
  2. Quality lenses: Choose lenses made from high-quality materials such as polycarbonate or CR-39 (plastic), which not only offer UV protection but are also durable. 
  3. Fit and comfort: The glasses should fit well and be comfortable to ensure adequate protection. Well-fitting glasses minimize the penetration of sun rays from the sides and top.

UV protection in sunglasses is essential to protect your eyes from harmful rays. When purchasing, pay attention to quality and the correct protection information.

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