Covid has changed the World in many ways, including how much we are staring at a computer screen!
Kids are on computers more with virtual learning; adults are on more Zoom meetings; less activities outside the home means more screen time for entertainment.
Something that is becoming more and more prevalent with the increase in screen time is digital eye strain. With all the increasing number of devices and increased time spent looking at them people are getting more and more eye fatigue which can be detrimental in many ways.
We are getting flooded with more and more screens. Tv screens, computers, phone, tablet, laptop, even some fridges have screens on them now! These screens all put out a lot of blue light that isn’t natural for our eyes.
With the past year kids are getting more and more screen time as well due to distance learning and school from home on computer screens. Kids have increased their screen time even more than adults as a result.
Negative Effects of Digital Eye Strain
Take a look at THIS study. They looked at the blue light wavelengths known to cause eye damage (415 nm and 455 nm). They looked at various studies and the links they showed to damaging effects from high amounts of these high energy blue light frequencies. The negative effects shown in studies include retinal degeneration, damage of blood retinal barrier function, oxidative stress and injury to the retina, increasing rates of myopia and negative effects of too much blue light on circadian rhythm (more on this below).
This study also points out that some blue light is good, especially in the morning to support your circadian rhythm. This is why it is good to get some sun exposure in the morning. Stimulate the eye and start your circadian clock. But if you continue throughout the day (like with screens, interior lighting, etc.) there can be damaging effects including retina damage, sleep interruption and more.
The studies conclusion was to prevent all of these problems, wearing blue light blocking computer glasses is the recommended option. Below we talk about just how important it is to block blue light at night with sleep glasses that block out all the blue and green spectrums. But this study shows that it is a good idea to wear computer glasses that block excessive blue light throughout the day form screens and devices.
How to Prevent Digital Eye Strain
Digital eye strain is common when looking at screens for long periods of time. And these days for many children and adults, that can be most of the day!
The symptoms include dry eyes, watery eyes, headaches, stiff neck or fatigue. What causes digital eye strain is the high energy visible (HEV) light from these screens. The HEV light is often called blue light when emitted in large amounts like they are from any computer, tv or device. The blue light from devices also flickers at a frequency faster that you can perceive, but that flicker also contributes to the eye strain.
This blue light flicker causes our brains to work harder which can result in headaches or even migraines.
By wearing special computer glasses like BLUblox during the day and especially whenever looking at devices and screens, you can greatly limit eye strain and symptoms of digital eyestrain, fatigue and headaches.
The best computer glasses only filter out the very specific frequencies of blue light that cause this strain. This results in very little distortion of the color of what you are viewing. The BLUblox computer glasses are the best we have found for relieving eyestrain while leaving the image on the screen looking un-altered.
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