Do Sunglasses Block UV Light?


Did you know prolonged UV exposure can cause cataracts, macular degeneration, and even cancer? Fortunately, there is a simple solution to this problem: wearing sunglasses.

Not only do sunglasses block harmful UV rays, but they also offer many other benefits. For example, they can reduce glare, improve your vision in bright conditions, and enhance your overall visual comfort.

Let’s explore UV and how to choose sunglasses that fit well and provide optimal UV protection.

do-sunglasses-block-uv-light-1What is UV?

Ultraviolet (UV) radiation is an invisible component of sunlight that can have damaging effects on our eyes. UV radiation consists of UVA, UVB, and UVC rays.

UVA and UVB can reach the surface and pose potential health risks to our eyes even if UVC rays are absorbed by the Earth’s atmosphere. Prolonged exposure to UV radiation can cause eye conditions such as macular degeneration, cataracts, and photokeratitis (sunburn of the cornea).

How Do I Choose the Right Sunglasses for UV Protection?

Look for UV protection labels.

Opt for sunglasses that block 100% of UVA and UVB rays. Look for labels such as “UV400” or “100% UV protection” to ensure maximum shielding against harmful radiation.

Opt for larger frames.

Sunglasses with larger frames offer better coverage and help prevent UV rays from entering through the sides. Wraparound styles or oversized frames provide added protection by minimising peripheral exposure to sunlight.

Check the lens material.

High-quality sunglasses often use polycarbonate or Trivex lenses, which naturally block most UV radiation. These lenses are also impact-resistant, making them ideal for outdoor activities.

Consider lens colour and tint.

While lens colour and tint preference are subjective, certain options can enhance UV protection. Grey, green, and brown lenses provide more accurate colour perception while effectively reducing brightness. Avoid lenses with yellow, rose, or blue tints, as they may not offer sufficient UV blocking.

Choose polarised lenses for added benefits.

These lenses not only reduce glare but also block harmful UV rays. They are especially beneficial for outdoor activities near water, snow, or highly reflective surfaces.

Remember, price does not necessarily indicate superior UV protection. Always prioritise sunglasses that meet UV-blocking standards rather than solely relying on brand or cost.

Protect Your Eyes from UV Exposure with Sunglasses and Regular Eyecare Services

Prioritising UV protection through sunglasses is a proactive step towards maintaining a healthy vision for years. So, the next time you step outside on a sunny day, remember to shield your eyes with high-quality sunglasses that truly offer the necessary UV defence.

The Bromley Eye Centre emphasises the importance of regular eye check-ups to ensure optimal eye health. From routine examinations to advanced treatments, we offer personalised solutions tailored to your unique needs. Whether you seek sunglasses for UV protection or professional advice on maintaining eye health, we’ve got you covered.

Contact us today to keep your vision sharp and your eyes healthy for years.

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