Blue Light Blocking Glasses

Blue Light Blocking Glasses

Shield your eyes from harmful blue light

Reviewed by: Dr. Matthew Miller, OD on May 11th, 2020

What is Blue Light?

Contrary to UV light, blue light is emitted all around us, every day — both indoors and outdoors, from the screens on our digital device to the sun as the biggest source. Extended exposure may cause eye damage and discomfort, but don’t worry! With our blue light blocking glasses, you can enjoy your screen time and preserve your eyesight. Learn how to choose the best lenses.

How Does Blue Light Affect Us?

How Does Blue Light Affect Us?

Our constant connection to our smartphones, tablets, and laptops may contribute to headaches, sore eyes, and stiff necks — all symptoms of digital eyestrain. With the majority of our waking hours spent in front of a screen, paired with harmful blue-violet light* from digital devices, it’s no surprise that our eyes are working harder than ever.

*Disclaimer: Harmful blue-violet light is between 415-455nm.

Visible and HEV light graph

HEV Light
So, what are we looking at? To start, the wavelength of visible light is between 380 - 780nm. High energy visible light, HEV, is between 415-455nm and may cause damage to our eyes. This portion of light includes harmful blue-violet light emitted by our digital devices. And with the average person consuming around 10 hours of screen time a day, blue light blocking glasses have never been more important.
Protect Your Eyes with Blue Light Blocking Glasses

Protect Your Eyes with Blue Light Blocking Glasses

Both our non-prescription and prescription blue light glasses are designed to protect your eyes from extended exposure to harmful blue-violet light. The premium features found in our EBDBlue Plus, EBDBlue 360, and SightRelax lenses make the unavoidable hours of screen time more comfortable, too. Whether you’re wearing them for gaming glasses, working into the wee hours of the night, or binge-watching your favorite show, blue light blocker glasses are the way to go.

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What Is "Digital Protection"?

Digital screens, fluorescent lights, LEDs, and even TVs emit a type of light – blue light – that we know can be harmful. A small part of the visible spectrum of light, blue light between 415 and 455 nm, can negatively affect your sleep quality. Digital protection glasses block the potentially detrimental wavelengths of blue light. Children's eyes are still developing, so kids' blue light glasses are a smart choice.

What Does Blue Light Do To Your Eyes?

In the visible spectrum of light, blue light is included in the high energy visible (HEV) light range, which can be potentially damaging to our eyes. Blue light makes your eyes work harder, which is why people who spend long hours in front of screens often complain of eyestrain and headaches. Protecting your eyes from blue light may help to ease your eyestrain and preserve your vision.

Do Computer Screen Glasses Really Work?

Reducing blue light exposure has been clinically proven to increase nighttime melatonin levels, which can lead to higher-quality sleep. While there are few clinical studies on the long term effects of blue light on the retina, countless reports from wearers of blue light blocking glasses report reduced eye strain, less headaches, and improved sleep.

Can I Wear Blue Light Glasses All Day?

Because blue light blocking glasses only filter out blue light, they are fine to be worn all day long. Some people have expressed concerns about how blocking natural blue light could reduce melatonin production and contribute to sleep problems, but this is simply not an issue. Blue light blocking glasses still let in some blue light, more than enough to stimulate melatonin production. Many wearers of digital protection glasses love the way they look and never want to take them off– and it’s perfectly safe not to.

Do Blue Light Glasses Help With Night Driving?

Yes and no. There is a misconception that all blue light glasses help with night driving. This idea stems from the fact that the old style of blue-light glasses (with visibly yellow lenses) contributed to clearer night vision. The newer style of blue light glasses feature much clearer, less yellow lenses and do little to help with night driving. EBDBlue 360 lenses feature a premium anti-reflective coating, making this type of lens perfect for night driving.

Can Blue Light Glasses Damage Your Eyes?

No, blue light blocking glasses can not damage your eyes, even when worn all day long. Blue light glasses are designed to work by filtering out a very narrow part of the visible spectrum of light– blue light that may cause eye strain. Blue light glasses protect your eyes and can’t cause them any harm.

Do Blue Light Glasses Prevent Headaches?

Some individuals are very sensitive to blue light from screens. These light-sensitive types who work on a screen all day may come to consider regular headaches an occupational hazard. However, wearing blue- light glasses can help to ease the symptoms of eye strain, including headaches.

When Should You Wear Blue Light Glasses?

You should wear blue light glasses whenever you are working at a computer, on a tablet, or reading on a phone. TV addicts who spend long hours watching films and shows also benefit from wearing blue light glasses. Fluorescent lights and LEDs emit blue light as well, and if you spend many hours in such lighting, wearing blue light glasses may help protect your eyes. In fact, even though the best time to wear blue light glasses is in the evening– to improve sleep cycles– wearing them throughout the day is completely fine. Kids' blue light glasses are great for your children if they, like most of us nowadays, spend a lot of time in front of screens.

Do Blue Light Glasses Have To Be Yellow?

In the early days of blue light glasses, the lenses were a distinct yellow, and the frames were notoriously uncool. However, these days, blue light glasses are super-stylish and designed to only filter out blue light at the higher end of the spectrum. The lenses are not noticeably yellow at all. So, while they are imperceptibly yellow (and have to be in order to work), no one will ever know, unless you tell them.

What Should I Look For In Blue Light Blocking Glasses?

Generally speaking, you should look for the same things you look for in any pair of glasses. Start by choosing frames that are the right size for your face shape. Then, find a pair of blue light blocking glasses that match your personal style. If you need reading glasses, consider a pair of glasses with SightRelax lenses. If you wear prescription glasses, you can just add a blue light blocking feature to your prescription at checkout.

How Do You Know If Blue Light Blocking Glasses Work?

There are a few ways you should be able to tell if blue light glasses are working. At the end of a long day of heavy screen use, you can note whether your eyes feel less dry, are less bloodshot and feel less strained. If you suffer from frequent headaches, if they decrease in frequency and severity, you’ll know that your blue light blocking glasses are working. Your sleep cycles should improve with wearing blue light glasses–it should be easier to fall asleep and stay asleep.

How Much Blue Light Do Glasses Block?

Blue light blocking glasses with clear lenses can block at least 20% of harmful blue light. Anything above that requires visibly yellow lenses. The good news is that you don’t need to block more than that to experience a notable improvement in sleep and reduction of eyestrain.

Do TV Screens Emit Blue Light?

As a part of the visible spectrum of light, blue light is present in many different settings. Fluorescent lights, LED lighting, and yes, even the TV screen, emit blue light. Even the sun emits blue light. Blue light is primarily harmful when it is emitted close to the eyes as it is with digital device use. Blue light exposure at night is disruptive to natural sleep cycles. Wearing blue light glasses while watching TV can help to reduce exposure.

Do you need a prescription for blue light glasses?

Only if you need a prescription normally. If you don’t need prescription glasses to begin with, you don’t need a prescription for computer glasses. Blue light blocking glasses, also known as computer glasses, can be bought with both prescription and non-prescription glasses. Our SightRelax glasses offer a section of the lens designed for reading – giving you the best of both worlds.

How Do You Know If You Need Computer Glasses?

If you spend a lot of time in front of screens – computer screens, tablets, or even just reading on your phone – you may have noticed some negative effects. If you have trouble falling or staying asleep, frequent headaches, or experience eye strain after a long day staring at screens, you may need computer glasses.

How Can I Tell If My Glasses Are Blue Light Blocking?

At first glance, you can’t tell that your glasses are blue light blocking. They have such a minimal yellow tint that it isn’t perceptible. You may be able to detect a very slight warmth when comparing a white section of a digital screen with the glasses on compared to when they are off. When light is reflected off of blue-light glasses, it may have a slightly rosy tint visible to others. The only way to be sure that your glasses are blue light blocking is to order them specifically.

Do eye doctors recommend computer glasses?

Eye doctors often recommend computer glasses to patients whose intermediate distance vision is becoming less clear, or if screen usage results in eye strain and headaches. While there is limited clinical evidence for computer glasses resolving eye issues, scores of glasses wearers report improvement with computer glasses.

What are the glasses that protect against blue light?

Blue light blocking glasses are designed to protect your eyes from blue light. There is increasing evidence that blue light exposure can reduce sleep quality and potentially cause long-term damage to your eyes, so it’s worth considering this type of lens. Blue light protection can be added to regular prescription and non-prescription eyeglass lenses.

Does insurance cover blue light glasses?

Whether your insurance covers non-prescription and prescription blue light glasses or not depends on your specific plan. It’s a good idea to check with your insurance company to confirm whether they are covered before you claim.

Are there kids’ blue light blocking glasses?

At EyeBuyDirect, you can add a blue light blocking filter to lenses for any kids’ frame. Children, like most of us nowadays, spend a lot of time in front of digital screens, so blue light glasses are just as suitable for them as they are for adults.