Do a quick count: how many screens are in your view right now. There is at least one (this computer or smartphone), but it is likely you have several within eyeshot. Those who work at a computer spend the majority of their day focused on a screen before going home to relax in front of a TV with a tablet or smartphone in hand.
While we appreciate all that these wonderful technological devices do for us, our careers, and our social life, they are problematic for our eyes. It is not uncommon to spend more than 10 hours a day in front of a computer, and that can create some distressing results.
Our eyes were developed to use the entire light spectrum, from infrared to ultraviolet. However, in our increasingly digital world, our eyes experience a greater amount of blue light than ever before. Blue light has a shorter wavelength, making the light penetrate deeper and scatter more, making your eyes work harder to focus.
The other contributing factor to digital eye strain is the amount of time your eyes spend focusing on one spot. For eyes that were developed to scan the horizon and scour the ground for food and danger, this can be challenging. When eyes are fixated on a screen they are forced to hold one focus for hours, causing them a great deal of fatigue.
Your eyes are like the other muscles in your body. They need to work and rest to be at their best. Every 20 minutes of computer time (gaming included) give your eyes a break and stretch them out. Look at something (preferably an object and not another screen) that is 20 feet from you. Look at it for 20 seconds. If it still looks a bit fuzzy after 20 seconds, wait until you can see it clearly. This practice is like a stretch for your eye muscles.
There are a few other things you can do to reduce the impact of screen time. Wearing glasses that filter out blue light, using the blue light filter on your screen, and putting your screen an arm’s length away can help.
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