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Blog

04 Tips & Tricks

Blog

01 Featured
02 Lifestyle
03 Inspiration
04 Tips & Tricks
05 Interviews

All about blue light blocking lenses—and why you need them in your life

By Émilie Boudreault

Tips & Tricks

A look at blue light and what it all means for your sleep habits.

From our computers to smartwatches, blue light is everywhere. Increasingly, we're learning about its harmful effects on our sleep habits and how heightened exposure can have a lasting impact on our well-being. Here, we'll explain where blue light comes from, what it means for your health, and how you can lessen its effects.

A blue light primer

Let's break down this blue light business for you. Blue light is a perceptible colour on the visible light spectrum. Our primary source of natural blue light is the sun, and its presence is aligned with our circadian rhythms, signalling when it's time to be active and when it's time to rest. After all, blue light on its own isn't bad for our health—it can even reduce fatigue levels, boost our moods and overall performance, and even help treat depression. Blue light oversaturation, on the other hand, is where things get concerning. Now that we're loading up on it from different digital sources, like computer screens, smartphones, tablets, LED lights, and beyond, we can observe a change in our sleep patterns. An increase in blue light exposure leads to the suppression of melatonin production (melatonin is a hormone released by our pineal gland, which regulates our sleep-wake cycle). As a result, we're tricked into thinking it's still daytime when we're getting ready to crawl into bed.

Short on sleep, short on energy

Medical experts agree. Not only does it lower your cognitive function — like making you more accident-prone or forgetful — sleep deprivation can have long-term effects on our health—even, in worst cases, contributing to diseases we’d prefer to avoid down the line. For these reasons and others, getting a good night's sleep is essential to your health.

How to curb the effects of blue light

Here's how to mitigate the effects of blue light on your sleep.

First up, if you spend hours in front of a computer screen or TV every day, you'd be wise to invest in a pair of blue-light-blocking lenses. Yes, the hype is real.

These lenses have an extremely subtle, yellow tint that helps block out the blue light entering your vision. According to a randomized trial about blue light blocking technology from the National Library of Medicine, these lenses can be highly effective. In a two-week study, 20 individuals were asked to wear blue-light blocking glasses or regular glasses up to three hours before bedtime. Researchers learned that those who wore the blue-light glasses experienced a major boost to their mood and sleep, proof that by wearing blue light filtering glasses can help promote better sleep.Another four-week trial concluded similarly positive results: wearing blue light glasses in the evening a few hours before bedtime can help improve the circadian rhythm.

You can reduce your blue light intake to build better sleep habits by cutting back on using digital devices up to two to three hours before bedtime. If you absolutely can't go an entire evening without scrolling through TikTok (can't say we blame you), then try to activate the night mode function or dim the screens to help minimize blue light consumption.

Ready to take the steps towards a happier, healthier night's sleep? Check out our complete collection of glasses online and opt for blue light protection en route to checkout!

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A blue light refresher

Just a little compilation of your most frequently asked questions regarding blue light protection!

Prescription eyeglasses – your top questions

You’ve been wondering about the ins and outs of your eyewear prescription? Wonder no more; we’ve got the answers right here.

You’ve been told there’s a frame for each face shape

We’re telling you there’s a frame for every occasion, every mood, every whim, and every size. Go ahead, it’s time to build your dream eyewear wardrobe!

All about sunglasses: answering your most burning questions

We’ve heard your questions, and we’ve got answers. Today, we’re casting light on all things sunglasses, from the benefits of UV protection to the difference between tinted, polarized, and photochromic lenses.

All about progressive lenses

Wondering what progressive lenses do? We’re answering some of your most frequently asked questions on the subject.

Keeping your eyes fit in 2022

Tired of the same old New Year resolutions? We’ve got a new one for you!

How to win your wish list

Would you like to win your three favourite pairs of BonLook glasses? Here’s how.

The low bridge fit, explained

Or how to make sure you’re as comfy as can be

Demystifying interpupillary distance

If you’ve ever been asked for your pupillary distance and didn’t know what to answer, this one’s for you.

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