The Impact of Blue Light on Eye Health

Written by: Brilliant Staff

Fact checked by: Kelsey Butler, RDN

woman laying in bed scrolling on her phone in the dark

In the era of the digital revolution, our exposure to blue light is higher than ever, whether we are scrolling through social media, working on our laptops, or simply browsing the internet on our smartphones. 

But what is the impact of blue light on eye health? Why does it matter? 

In this article, we will delve into the sources of blue light, consider its potential risks to our eyesight, and explore possible measures like eye health supplements.

Unveiling the Blues: Understanding Blue Light

Blue light, part of the visible spectrum, is a high-energy, short-wavelength light. While the sun is the primary source, artificial sources like LED lights, fluorescent bulbs, and digital screens also emit blue light.

The crux: human exposure to blue light has significantly increased as screens become more embedded in our lives.

Eyeing the Risk: The Impact of Blue Light on Vision

While blue light is not all bad, overexposure could potentially lead to common eye issues.

Digital Eye Strain or Computer Vision Syndrome

Extended periods in front of a screen can cause symptoms such as blurry vision, eye fatigue, dry eyes, and even neck and shoulder pain. This is collectively known as digital eye strain or computer vision syndrome.

Screen it Out: Countering the Impact of Blue Light

Fear not; you can still moderate the impact of blue light on your eye health by implementing the following tips.

Rest Your Eyes

The 20-20-20 rule is a handy tip. Every 20 minutes, take a 20-second break and look at something 20 feet away.

Adjust Screen Settings

Making subtle adjustments, such as reducing the glare, adjusting the contrast and brightness, and increasing the text size, can help ease eye strain.

Blue Light Blocking Glasses

These glasses have lenses that can significantly reduce the amount of blue light your eyes are exposed to.

Protective Screen Filters

Screen filters can be installed on your digital devices to decrease the amount of blue light emitted.

Nourishing Your Eyes: Eye Health Supplements

In addition to the measures above, certain supplements rich in specific nutrients are worthy allies in the fight against the blues.

Lutein and Zeaxanthin Supplements

Lutein and zeaxanthin provide blue light eye support, protecting and maintaining healthy eye cells. They are naturally found in fruits and green leafy vegetables. If your dietary intake is inadequate, consider a good-quality supplement under your healthcare provider's recommendation. 

Omega-3 Fatty Acids

Associated with relieving symptoms of dry eye, Omega-3 fatty acids can be a significant benefactor in eye health.

Wrapping Up: A Balanced Perspective on Blue Light

Blue light exposure is an inescapable part of modern life, but conscientious practices and good dietary habits can help us mitigate the associated impacts on our eyesight. 

Ultimately, managing blue light impact is not about completely eliminating digital devices but rather about nurturing mindful habits to build a healthier, tech-integrated lifestyle.


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