What is digital eye strain?

In today’s digitalised world, problems with digital eyestrain have started to show signs of sharp increase. But what is digital eyestrain? Why is digital eyestrain now such an issue and what does it mean to suffer from digital eyestrain?


Digital eyestrain is also referred to as computer vision syndrome is a set of vision related problems that result from extensive use of a computer, smart phone, or tablet. The majority of people that use a computer will at some point experience digital eye strain. Symptoms of digital eyestrain seems to increase with the time spent at a computer. The longer one spends at a computer or on their phone the more severe the symptoms of digital eyestrain.


What causes digital eyestrain?

Whilst there may be many factors that leads to digital eyestrain blue light seems to be the biggest culprit. Blue light is high energy visible (HEV) light which is found in large quantities in digital devices such as your smart phone, laptop and tablet. Blue light from screens can decrease contrast which is the main cause of digital eyestrain. Fatigue caused by excessive blue light exposure after sunset disrupting your circadian rhythm and sleep can also lead to digital eyestrain. Dim lighting which is still blue light can also intensify the symptoms of digital eyestrain.


Blue light, given how high energy it is may also cause some cellular damage in the eyes. After a long day working on your computer (which emits lots of blue light), the cumulative damage caused by this excessive blue light exposure can lead to digital eyestrain.


Flickering blue light is also a major cause of digital eyestrain. Almost all LEDs flicker. This flickering blue light can be found in computer screens, smart phones, tablets but also in office and house lighting. Flickering light is due to the AC current and is an energy saving tactic. This is all very well but this flickering effect of blue light also leads to digital eyestrain.


There are workarounds for all these issues which we will talk about shortly. But in a nut shell blue light from digital devices and the fact that this blue light flickers is the major cause of digital eyestrain.


Symptoms of Digital Eyestrain

How do you know if you have digital eyestrain? Well, it’s actually quite easy to tell. How do you feel after using a computer all day or being under artificial blue light? If you feel tired, have sore eyes, dry eyes, watery eyes or a tension headache that you most likely have symptoms of digital eyestrain. Digital eyestrain does not discriminate and anyone who uses a computer or works under blue light will experience digital eyestrain at some point in their lives. Difficulty focussing after using a computer for a long period of time is also another symptom of digital eyestrain. What is digital eyestrain? Well it’s a combination of the symptoms described above brought about through excessive exposure to blue light and flicker from digital devices and office/home lighting.


How to Treat Digital Eyestrain

Whilst you should always seek advice from your doctor before treating digital eyestrain we can provide some guidance on what to discuss with your medical practitioner.


Blue Light Glasses AKA Computer Glasses

Reducing the amount of blue light that reaches your eyes is the first step. By wearing a pair of blue light glasses, often called computer glasses you can reduce blue light during the daytime. Be careful though as most companies will only focus on violet light which does not impact digital eyestrain, its blue light you need to filter. You can read more about how to test your blue light glasses here and also what blue light actually is here. The best computer glasses backed by science are BluLite computer glasses by BLUblox. These computer glasses are the best computer glasses as they target the whole blue spectrum and filter it down. Remember you do not want to block blue light during the day as this will disrupt your natural biological rhythms, instead focus on filtering blue light down to help prevent digital eyestrain



Blue Light Glasses AKA Blue Light Blocking Glasses

 If you work after sunset you need to not only protect your eyes from digital eyestrain you must also protect your eyes from all blue light as not to interfere with sleep. This is why wearing clear lens computer glasses after sunset may help with digital eyestrain but not help you sleep better. Blue light post sunset may damage your body’s ability to produce sleep hormones and that’s not great for your health in the slightest.

After sunset wearing a pair or blue light glasses that blocks 100% of blue light is essential. These blue light glasseswill not just protect your eyes from digital eyestrain, they will assist you in sleeping better as well. BLUblox offers super stylist, evidence backed blue light glasses which make them the best blue light glasses available. Remember not all blue light glasses are created equal so opt for a pair that blocks 100% of blue light and most green light between 400-550nm. BLUblox are the only brand who targets these wavelengths making their glasses the best blue light glasses available.

BLUblox Sleep+ glasses


No Flicker Light Bulbs

Whilst its difficult to eliminate all flicker there are some products out there that can help. As we know blue light flickers which causes digital eyestrain. In order to reduce symptoms of digital eyestrain we must reduce flickering blue light. Digital eyestrain can be caused not just by digital devices but also LED lights in your office and home. You can now buy flicker free and low blue light bulbs from BLUblox called Lumi. The bulbs have zero flicker and also contain next to no blue light which means you can enjoy soft lighting without any fear of getting digital eyestrain from them.



What is Digital Eyestrain?

I hope this article has provided some insight into what is digital eyestrain. Digital eyestrain is a combination of symptoms ranging from sore dry and watery eyes to tension headaches, blurred vision and fatigue. It is important to ask the question what is digital eyestrain so you know what to do about it. Using the best computer glasses to filter blue light during the day and using flicker free light bulbs is the best options, just be sure to choose the best computer glasses. Blocking all blue light after sunset is also a good tactic, just opt for the best blue light glassesfrom BLUblox. So when you are asked the question “what is digital eyestrain” you should be able to empower the person who asked you this very question.


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