Your Digital Screens Could Be Destroying Your Eyes

Let’s face it, you’re surrounded by digital screens. What was once fantasized in sci-fi films is now a reality. From laptops to tablets to cell phones, our world has gone from analogue to digital in a matter of a handful of years. And while the convenience of having so much available at your fingertips has helped society excel in many areas, it has also caused an alarming amount of people to suffer from digital eye strain. Digital eye strain is a real-life medical condition immediately associated with exposure to artificial blue light, and according to a recent study90% of the U.S. population is at risk of suffering from it. Symptoms include eye fatigue/tired eyes, eye strain, headaches, irritated eyes, itching/burning eyes, blurry vision, and general fatigue. As well, long-term exposure to blue light has been linked to cataracts, depression, macular degeneration, and other diseases.

To help simplify things a bit, here’s a commercial we recently did that quickly explains the condition:

Bear in mind, we’re not making any of this stuff up – digital eye strain is very real. While we coined the phrase “digital eye strain” nearly 10 years ago and the medical establishment has since accepted it as official terminology, they have done their own research which has yielded some extremely eye-opening facts about artificial blue light, how it can hurt your eyes, lead to diseases, and negatively affect your sleep. Examples of their independent studies can be read here, here, here, here, and here.

Now, the official explanation of what digital eye strain is comes from our friends at the American Optometric Association:

Computer Vision Syndrome, also referred to as Digital Eye Strain, describes a group of eye and vision-related problems that result from prolonged computer, tablet, e-reader and cell phone use. Many individuals experience eye discomfort and vision problems when viewing digital screens for extended periods. The level of discomfort appears to increase with the amount of digital screen use. Symptoms associated with Computer Vision Syndrome (CVS) or Digital Eye Strain are eyestrain, headaches, blurred vision, dry eyes, and neck and shoulder pain.

Viewing a computer or digital screen often makes the eyes work harder. As a result, the unique characteristics and high visual demands of computer and digital screen device viewing make many individuals susceptible to the development of vision-related symptoms. Uncorrected vision problems can increase the severity of Computer Vision Syndrome or Digital Eye Strain symptoms. (RE:

Something else to note that is at the very root of digital eye strain is the high frequency of artificial blue light bombarding your eyes. It is a lot more intense than the level you receive from the sun, and it’s also the only color wavelength that penetrates your cornea and directly hits your retina. Bad blue light ranges from 380 to 450 nanometers, but there is also good blue light which ranges from 470 to 500 nanometers. The reason it’s good is because at these frequencies, it triggers enzymes and chemicals in your brain that help promote memory and cognitive function. They also stimulate the photosensitive retinal ganglion cells that, in turn, stimulate pupillary reflexes and control the circadian cycle. This is getting pretty science-y so if you’re truly curious, you can read what the experts at All About Vision have to say about blue light in their independent analysis here. There’s also a website dedicated to explaining how blue light can be bad for you which you can find here.

What shouldn’t be flippantly disregarded, though, are the issues you could potentially suffer when exposed to blue light. These include melatonin levels being diminished leading to a disrupted sleep pattern (circadian rhythm), retinal damage, macular degeneration, cataracts, depression, and eye disease. Some studies have even shown that blue light can trigger chemical reactions in the brain that can lead to diabetes, weight gain, and even cancer. Given that the gateway for living life begins with your eyes, protecting them has never been more important.

As a result of the advancement of our technologically-inclined society and the saturation of digital devices in our lives, more and more people are feeling the negative effects. The Vision Council, the leading organization for championing better vision for better lives, does an annual study on digital eye strain and this year’s numbers are frightening. According to their researchmore than 83% of Americans use a digital device for more than two hours a day, and of those individuals, over 60% experience symptoms of digital eye strain.

In an effort to help combat the growing number of issues many digital device users experience, there has been a major push to incorporate digital solutions into technology – specifically, applications or settings which help diminish the level of artificial blue light being emitted. Some of these apps are free to use/install, while other advancements are programmed right into device settings and expensive monitors. The end result, however, is a screen that’s distinctively orangish in hue, as if it had one too many spray-tan sessions.

Granted, these advancements in tech are a great step forward in helping to combat the growing problems associated with digital eye strain and blue light, but they’re simply not enough. Digital eye strain, as was quoted above, is “a group of eye and vision-related problems”, not just a result of artificial blue light. First, your eyes are a muscle and work their hardest when looking close up at a digital device all day. It’s like running a marathon and then trying to walk home afterwards. Your leg muscles would be too fatigued to carry you let alone stop from shaking. This same principle applies to your eye muscles as well. Second, the harder you gaze at a screen, the less likely you are to blink which, in turn, dries out your eyes. It’s a medical fact that blink-rates drop significantly during intense viewing which increases irritation. Third, glare from digital screens and the fact that they flicker as you try to concentrate on tiny letters or details cause your eyes to quickly become fatigued and irritated which can even lead to headaches.

Where applications and settings let you down is in these areas. Tuning out the blue light being emitted might help a little, but it won’t stop all of the other symptoms associated with digital eye strain. These apps and expensive color-shifting monitors still shower your eyes with high levels of artificial light. Masking the color focus or shifting the light spectrum does not change the fact that devices with a screen are illuminated by spikes of artificial light including blue light. Although these solutions may shift the amount of HEV blue light produced naturally by the devices, they do not reduce it enough. Besides, if you’re looking at a color-rich image or game, you can’t honestly say you’d prefer to see it bathed in orange, right? This now leads to another problem: few people actually take full advantage of a blue-blocking app or setting. Most likely, this is due to the significant manipulation of colors in how they’re seen on screen, and so blue light is still getting through and directly hitting the retina.

When you weigh all of your options, and despite some these applications and settings being free, you’re missing out on so much more and still hurting yourself in the long run. Realistically, these solutions only address one of the causes of digital eye strain. The big difference is that GUNNAR addresses all causes of digital eye strain. GUNNAR lenses add contrast to help sharpen text and images on your screens, add focusing power that reduces stress on the eyes muscles caused from close distance viewing, and our patented lens designs help hold in humidity while blocking air currents to prevent dry eyes. So, you can keep using these apps and settings if you so choose, but for full protection, you’ll want to put on a pair of GUNNAR glasses.

Get on the GUNNAR bandwagon and never again worry about having to suffer from digital eye strain. We’ll take care of your eyes so you can be a better you all day, every day.

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Nobel Prize Awarded to Circadian Rhythm Doctors on How Artificial Light Affects Your Sleep

Congratulations to doctors Jeffrey Hall, Michael Rosbash, and Michael Young for winning the Nobel Prize in Physiology or Medicine! These three American medical professionals studied fruit flies for decades in order to isolate one specific gene that dictates the body’s

The TL;DR version of their work is this: we all have a constellation of proteins in our DNA which work together in order to keep us functioning on a 24-hour cycle. This process includes when and how well we sleep. In this cluster is one particular protein which allows light to have an influence on our body’s clock. Letting in more artificial light will disrupt the cycle and thus cause our brains to not want to sleep (melatonin disruption). What happens when you don’t get enough sleep? As we previously posted, you risk impairing your memory, increasing your chances for injury and disease, perpetuating the issue through neurotoxin buildup which further disrupts sleep, and becoming more prone to depression.

In the end, their incredible efforts have led to major advancements in sleep science. This really is an amazing achievement and worth the 5 minutes to read the whole story on which you can find by clicking here.

With GUNNAR Optiks and our technologically enhanced eyewear, you can help preserve your body clock and get the proper sleep you deserve.


The Nobel Prize in Physiology or Medicine 2017“. Nobel Media AB 2014. Web. 3 Oct 2017.

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The Mission: Protecting Your Eyes

When it comes to summarizing why GUNNAR Optiks exists, leave it to the brainy and eloquent literary geniuses at The Mission to hit a home run. In their latest article, they feature a treasure-trove of really meaningful information about digital eye strain and how GUNNAR can help prevent the symptoms. The Mission’s easy-to-read story weaves readers through the facts, information about blue light, what is digital eye strain, and then it closes out with some very helpful solutions. Why so serious? Because it is very important to protect your eyes as they are an integral part of the body that regulate sleep patterns, hormone production, and the body’s timeclock. And, bonus, there’s a very savvy video near the end that covers it all. You can read the article here, and we’d love it if you would help spread the word.

Our mission with the help of The Mission is to protect your eyes. No time like the present to join the Movement of believers who want to end the pain of digital eye strain.

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Maximizing Work Performance

When it comes to professional athletes, being in tip-top shape is of the utmost importance. And it’s not just physical, but mental as well. For each of them, it is vital that they have sustained energy and focus all day, and not end up crashing sometime in the early afternoon. For average Americans, though, the divide between the healthy living of an athlete and their own lifestyle is pretty huge. Frankly, given how well-tuned athletes are, it’s baffling to comprehend why more people don’t adhere to their regimen at least to some degree in order to maintain their health. Granted, these million-dollar-machines spend an exorbitant amount of time training, but it’s so they can perform at 100% at any given moment. Shouldn’t we all want a similar result in our daily routines no matter how mundane? We really don’t have to reach for that third cup of coffee or over-priced energy drink to make it through because there are things we can all do to have athletic-like agility starting today.

In the corporate world, the most determined employees strive for success and getting ahead. Philosophically speaking, they’re just as determined to reach their goals as a professional athlete thus making them a corporate athlete. If they don’t get the job done quickly, efficiently, and thoroughly, there are hundreds of other qualified professionals lined up who can make it happen. Yet, for many, diet, exercise, and maintaining good health aren’t priorities, all of which affect their abilities and focus. This begs the question: why work so hard to succeed if you’re only going to cripple yourself the second you clock out for the day?


It Starts with the Eyes


Our bodies all function throughout the day based upon on circadian rhythm. Simply put, your circadian rhythm is your body clock which is telling you when to wake up, and when to get tired and go to bed. There are many factors which can positively and negatively impact your circadian rhythm. Knowing more about these factors might get a bit technical, but they’re important to your health. Since your rhythm runs your physiology, it feeds off of four external factors which affect its ability: light, hormones, temperature, and food. Let’s start with light.

“Light entrains and effects all of [our] physiology. The retina mediates processes via the retinohypothalamic tract which facilitates autonomic responses and hormonal communication. Literally every cell depends on the rhythm in order to function in their own circadian manner, so it requires little imagination to fathom the extent of dysregulation that can occur with inappropriate phase shifting as a result of prolonged exposure to irritating wavelengths of light. Blue light has somewhat of a paradoxical reputation, with some research praising it for melatonin suppression and arousal promoting effects, while others demonize it due to its phototoxicity and insomniogenic attributes.”Caleb Greer, BSN, RN, Revive Treatment Centers

In other words, over exposure to blue light will prevent your circadian rhythm from telling your body it’s time to get tired. Yes, natural blue light in the morning is an important thing to soak in so you can become more alert and ready for your day, but sustained exposure from artificial sources only serves to interrupt your body clock in a negative way.

Greer further states that there needs to be an understanding of what is meant by “blue light” as there is a nice chunk of the visible light spectrum devoted to it, from 380 to 500nm [nanometers]. As literature suggests, blue light (and some of the UV spectrum) is absolutely necessary for proper function. Photoreceptors [in your eyes] capture photons from rays and utilize the energy to induce a cascade that results in an action, from color vision and dim-light vision to photoentrainment and hormonal periodicity. However, blue light is never on its own in the solar spectrum and it is vastly outshined by the amount of red and infrared light radiated alongside it. Left alone, blue light has been shown to induce photochemical damage across the retina and macula due to its high-energy photons causing oxidative stress within the [light-sensitive proteins found in photoreceptor cells]. Oxidative stress results in the production of reactive molecular species that damage cell structure and energy flux.

Two issues now stand regarding artificial light: one is the frequency of said light, and two is the duration of exposure to it. Let’s be clear, natural blue light is not the enemy. However, artificial blue light borders on becoming one because of its frequency, and the lack of red light which assists with healing and energy production. The incoming barrage of artificial blue light becomes too great for our retinas to handle. What happens to the eye? According to Caleb, the healing process in the eye decreases which then causes energy transfers within the eye to slow down. This results in circadian rhythms being thrown off track.

“Blue light from your computers can contribute to digital eye strain and long-term health issues.”Dr. Eric White, O.D.

Dr. White recommends amber tinted lenses while looking at digital screens to prevent this. The two primary properties of amber lenses that make them good at preventing digital eye strain are added visual contrast and the filtering of blue light. Over saturation of blue light decreases our visual acuity, depth perception, and can make focusing difficult. This ultimately makes our eyes work harder, resulting in greater eye fatigue and headaches. In the long-term, there are studies and literature stating blue light can cause cataracts and macular degeneration.

In a recent study by the Midwestern University and Arizona College of Optometry, it has been known for nearly 40 years that blue light exposure can damage retinal pigment epithelium (RPE) cells. RPE cells are the pigmented protective layer just outside the neurosensory retina that nourishes retinal visual cells, and helps with light absorption. These cells are extremely important because they improve the overall quality of the optical system, and they absorb the scattered light and diminish the photo-oxidative stress on the retina. This study showed that exposure to blue light reduced senescence associated beta-galactosidase (SABG) staining after one week of exposure. After three weeks of exposure, defects began to appear in the RPE layer and cell size was reduced. By four weeks of exposure to blue light, the RPE layer was significantly disrupted, and there was a 30% reduction in cell numbers and viability. These results suggest that exposure to levels of blue light that might occur in a normal environmental setting can damage important RPE cells.


The Need for Quality Sleep


One of the greatest arenas that the relationship between exposure to irritating, artificial blue light and our circadian rhythm is so clinically relevant is sleep, where hormonal modulators depend on proper lighting and circadian synchrony. The job of the blue frequency is to initiate a “daytime” command which assists with bringing along the behaviors needed to operate and function during the day. What happens when we expose our eyes to this during evening hours? Well, the brain is told that it is still daytime and that it needs to adapt. The consequences of poor or inadequate sleep are no mystery. However, it is important to realize that the cause of much of the population’s disturbed sleep may be prolonged exposure to this environmental cue.

Jeff Zeilstra, of Fatigue Science, explained that they understand, from extensive work with elite athletes and military operators, that consistent, good quality sleep is extremely important to human performance, both cognitively and physiologically. Over the past several years, performance coaches and researchers have also learned that tissue growth and repair of all populations occurs during deep sleep, and that it’s a time for metabolic rebalancing. For instance, when athletes are sleep deprived, the production of cortisol—the hormone linked to unhealthy stress—increases as well as bio-markers such as inflammation. Testosterone and growth hormone levels decrease while at the same time, the production of glycogen and carbohydrates—essential for energy during physical activity—decreases as well. As well, we know that keeping consistent sleep/wake patterns will keep the body’s circadian rhythm in check in order to help maximize daytime alertness and energy.

“Deep sleep—the kind that occurs in later stages of non-REM and REM sleep—is vital for restoring brain cells and neural pathways, ridding the brain of toxins, and critical for short and long term cognitive health.”Jeff Zeilstra, Fatigue Science Account Executive

Thomas Delauer, celebrity trainer and health author, tells us that to maintain your body’s ideal health and to get the restorative sleep necessary to drive daily top performance, its best to understand how your circadian rhythms work and how they correlate with your body’s hormones. It is also important to understand how artificial blue light from digital devices can interrupt your circadian rhythms and hormone production.

“Your natural circadian rhythm takes its cues from your environment and can generally be considered the body’s central clock. Essentially the brain sees environmental cues such as it getting dark out or it getting later in the day, and it then sends messages to our peripheral clock. Your peripheral clock is your body’s cells, organs, and the body itself. These messages coordinate your body’s sleep cycles, daily routines, and they make physical adjustments based on messages from your central clock and peripheral clock.” —Thomas Delauer, Trainer, Author

Issues can arise when the body’s central clock and the environment do not match up causing hormone production to be disrupted. Artificial blue light from computers, phones, and tablets trick the body into thinking its daytime when it is nighttime, and prevents the body from its normal hormone production. In the short-term this will affect your deep restorative sleep, anxiety levels, depression, metabolism, libido, and overall daily performance. In the long-term, this can cause long-term bouts of depression and anxiety, chronic metabolism issues, as well as increasing the body’s chances of injury and disease.

According to a recent article on WebMD, there’s a growing sense that lack of good quality, natural circadian rhythm sleep could be taking a serious toll on our health. Frank Scheer, Ph.D., a neuroscientist at Harvard Medical School and Brigham and Women’s Hospital in Boston, states that because circadian rhythm affects how our bodies function, disrupting it can throw the system out of whack. This includes our cardiovascular system, metabolism, digestion, immune system, and hormonal balance. This sort of disruption can have serious consequences on our health.


Reaching New Heights in Productivity and Performance


“As much as our community is driven by a fitness lifestyle, most of us work in careers that require significant parts of our days to be spent in front of computer screens. This constant exposure to blue light not only causes disruption of our sleep patterns, but can cause a threat to our eye and body’s health. Here at HYLETE headquarters, we supply GUNNAR’s glasses to our team to optimize everyone’s health and performance.”Ron Wilson, CEO, HYLETE, Inc.

In order to maintain your maximum performance levels, Thomas Delauer explained that you need to implement a few things to help your hormones cycle normally and prevent this imbalance. First, it is important to surround yourself with bright light in the morning to help your body shut off your overnight melatonin production to get your day started. Second, it’s important to minimize your exposure to blue light in the afternoons and evenings to allow your body to begin shutting down, and begin production of melatonin. Blocking out blue light, especially in the afternoons and evenings, is very important to maintaining natural circadian rhythms so the body gets solid restful sleep cycles and productive daily wake cycles.

According to Greer, although not an effect of blue light directly, another clinical diagnosis that is relevant to the overutilization of digital devices primarily emitting blue light is digital eye strain. Fatigue of the extraocular eye muscles (EOM) can lead to intense symptomatology in addition to that of the metabolic cascade described earlier. All muscles have proprioceptors that give continuous information to the brain regarding position and tension, and the change in those parameters. When a muscle is chronically lengthened or shortened, the proprioceptors adapt and this results in tone that is abnormal, and dysfunctional. This process occurs within the EOM as well, and due to the poor posturing associated with the use of computers and mobile devices, the EOM are subject to vertical, horizontal, and torsional stress. Our eyes and visual systems are built to explore the visual environment, track objects of interest, scan for new objects of interest, and also to search and react to possible threats to safety—all of which occur beyond the measurements of any screen. With blue light causing physical damage to photoreceptors, contrast sensitivity can also take a significant hit which will reduce visual clarity, as well as increase cortical energy expenditure as it devotes more effort to attain accurate perception.


What Now?


A lot of what you just read is detailed science and medical information provided to us by tenured experts in their respective fields. To summarize, being and living at your best doesn’t have to be a difficult chore, nor does it require a lot of time. Simple things like eating right, regular exercise, limiting blue light during the afternoons and evenings, and protecting your eyes throughout the day will all contribute to an increase in quality sleep and daytime energy. We may not all reach professional athlete levels of fitness and health, but we can do a lot to benefit our lifestyles by following the advice of everyone who has contributed to this article.

On a daily basis, our eyes and bodies don’t just need to keep up, but perform at their best, just like athletes, so we can compete and excel as a person and professional. Tie all of this into blue light exposure, and the vicious cycle of bad sleep —> sluggish performance —> slow metabolism —> need for artificial stimulants/caffeine —> work stress —> bad sleep never ends. To be at your best and ready to compete at a professional level, it is critical to break this endless cycle. Of course, the right nutrition and exercise help you maintain body balance, but the critical element always comes back to limiting your exposure to artificial blue light, and there are many ways in which you can protect yourself.

Let’s break everything you’ve just read down into a simple flow. Blue light can affect your body’s circadian rhythm as well as your overall health and wellness. Your body’s physiology and functionality get its cues from your environment which dictate how well your daily routine is going to go. Your circadian rhythm is your body’s clock that regulates your overall physiology. Over-exposure to blue light absolutely disrupts hormonal and chemical communication in the body and with your sleep pattern. Blue light from a digital device can contribute to digital eye strain and long-term health issues. Blue light exposure can damage the RPE cells that protect your retina from long-term damage. Brain stimulation caused by blue light prevents the body from getting deep restorative sleep. Deep sleep is vital for restoring brain cells, repairing the body, and ridding the brain of toxins. Without deep sleep, you disrupt the repair process for short and long-term cognitive health. Lack of sleep and disruption of sleep will increase your risk of other serious diseases. It is all, therefore, important to limit the amount of blue light you receive from an artificial source especially in the afternoon and evening.

Thomas Delauer, Celebrity Trainer, Health Author
Caleb Greer, BSN, RN, Revive Treatment Centers
Dr. Frank Scheer, Ph.D., Neuroscientist, Harvard Medical School, Brigham and Women’s Hospital
Ron Wilson, CEO, HYLETE, Inc.
Dr. Eric White, O.D.
Dr. Michael Kozlowski, Ph.D., O.D., FAAO, Midwestern University
Jeff Zeilstra, Fatigue Science

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The Epic Return of the GUNNAR Guardian Giveaway at San Diego Comic Con 2017

In grand tradition, GUNNAR infiltrated the streets of downtown San Diego for this year’s Comic Con to bring everyone there and online the 2017 GUNNAR Guardian Giveaway, and it was epic! For the third year in a row, this year’s giveaway was the most talked about and sought-after promotion during the event. Not only that, but our prize packages were nearly double in value and were filled with items worth over $750!

We can’t thank our partners enough for their support in making this the best GUNNAR Guardian Giveaway yet. Special thanks to Razer, Filthy Casual, Publish, Bandai Namco, Gigantic, Neverwinter, McFarlane Toys, Hydro74, and Stelekon for their generous support of the third installment of the giveaway. Look for us next year, and you can count on this only getting bigger!

A very special thank you to this years Guardians: Martin WongStella ChuuReagan KathrynMiss YeruAshlynne DaeMaid of Might, Atomic Hype  and Shout Around.

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Blue Light is Destroying Your Kid’s Eyes!

“Imagine it’s 2035 and you get a call from your son who proceeds to inform you that, at the young age of 32, he’s going blind as a result of macular degeneration.”

As dramatic and heavy-hitting as this opening quote from a recent article on is, it’s still very possible. Macular degeneration is traditionally a disease that affects the middle-aged and elderly. It is not a disease that hits young, vibrant people in the midst of their careers, just starting a family, and settling into their first home. Essentially, as kids grow, their eyes are developing until they reach their late-teens so that means they’re more susceptible to damage. During their youngest years, blue light can travel right passed the cornea and directly hit the retina much more easily than when kids’ eyes have fully developed. As more and more studies come out showing just how digitally wired we all are and at earlier ages than ever, the increased exposure to blue light is leading to multiple, long-term issues including macular degeneration, the leading cause of blindness for adults over 50.

If you’re a parent, though, think about it. How often do your kids stare at a phone, tablet, or computer? When was the last time you saw them not glued to a screen? More than ever, kids are turning to blue light-emitting devices for entertainment, information, or just because they need to be distracted or occupied. Fussy kids at the dining room table when family’s in town is frustrating, but some Super Mario Run or Pokémon Go oughta fix things! Right?

As noted in the article, a Nielsen study done way back in 2012 found that over 70% of kids under the age of 12 are regularly using tablets for gaming and learning. With how advanced and inexpensive technology has become in the past 5 years, we’re sure that number is closer to 80% by now. What’s more, the Journal of Pediatrics found:

  • 20% of one-year-olds own a tablet
  • 28% of two-year-olds can navigate a digital device without help
  • 28% of parents say they use a digital device to put their kids to sleep

As we have pointed out in previous blogs, blue light is terrible for you. It causes you to lose sleep, may cause your metabolism to decrease, and damages retinal tissue in your eye. Why on earth would you let kids spend more time on something that can wreck their visual future let alone have a device at the ready as a bedtime tradition? If getting your kids’ eyes off screens and staring at something outdoors is too difficult, then it’s recommended you protect them as much as you can. Most devices now come with a blue light-manipulating app or setting, and while those are a good start, they don’t go far enough. Taking breaks, the 20-20-20 rule, and blinking more are also good habits to form, but in the end, something shielding their eyes is the biggest and ideal step to take.

GUNNAR has numerous styles to choose from, but for those with smaller heads, Vertex, Strike, Phantom, Sheadog, and Micron are some of our narrower designs.

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