If you are one of millions of young adults who have suffered itchy, dry and red eyes after staring at a computer screen for entire days of work or studying, then you have probably been already bombarded with ads about blue light glasses. And you might have also been tempted of doing so. Blue light glasses supposedly protects our eyes from blue light so it does not reach our eyeballs directly. Blue light is the kind of light that promotes awakeness. If you can relate to any of this, be glad that you are not alone and we are now going to try to verify the accuracy of all the claims made about blue light glasses.

Recent studies show that as much as 60% of Americans are suffering from the exact same eye problems which arises from extended bouts of looking through a computer screen. They experience what the medical field calls digital eyestrains. Luckily for us, the eyewear industry is quick to spot an open field. And as a result they researched and invented what is now the blue light filtering glasses.

Background about blue light and eye strains

Some medical researches however are quick to point out that we should not look at the aspects as the same thing. Digital eye strain should be looked at differently from the harmful effects of excessive blue light. Both are valid but separate concerns. In reality, the blue light that we see from our computer screens pales in comparison to what we get from the sun. The blue light, though having an effect on our eyes, is barely the culprit. We should first look at our habit of continually extending the time consumed looking directly at computer screens without taking a break every once in a while. It has become common in our society for people to use the little time we have away from work, where we are almost always facing a computer screen, to still view through a screen of some sort at home. The digital eye strain could be better managed by routinely taking routine breaks but the researchers however does not discount the fact that some sort of filter can alleviate some of the effects of blue light.

Contrary to popular belief, the digital screens are not the sole source of digital eye strains. Researchers have confirmed that any form of strain can be had from reading books, or even just sitting outside looking at the beach. The key is to try to shift your focus from one visual point to another from time to time. If this does not help you, you can choose to protect your eyes using blue light glasses or by putting in artificial tears to lubricate your eyes.

Where do the blue light glasses come in?

Apparently, the best time to use your blue light glasses is for when you are supposed to sleep but could not. Doing overtime at work or just overtime playing video games are good candidates for using your blue light glasses for protection. Blue light can create sleep disorders as the effect of blue light to the body is to signal it to wake up. This is a nifty feature of the human body which allows us to have complete focus during the day and be able to turn in off at night. This works fine in the old days where the only light source at night are torches and candle lamps but in the modern world, we barely have enough places where we can still gaze upon the stars at night. Being exposed to too much blue light can lead to people not being able to sleep when he/she needs to and makes it difficult for them to wake up in the morning as well.

The perfect setup would be to at the very least limit our screen interactions a few hours before to bed, but knowing how the world works right now, this might be a huge ask. So, an alternative maybe to use your blue light glasses right before going to bed. This way, your body will not be affected by the blue light and stop sending signals for you to keep awake when you finally decide to go to bed. A study which was conducted where young boys were made to wear blue light filtering glass 3 hours before going to bed. The study found out that these buys wear having better sleep cycles compared to those who did not wear one. Both set of samples were observed to have  had the liberty to watch tv, and play computer games on their phones, desktop or consoles a few hours before going to bed.

Which one to buy?

Should you have decided to finally cave in and join the fad, you may want to decide first which ones to buy. There are plenty out there in the market right now and most of them offer different valuable selling points. There are options for buying the same glasses that they used in the experiment and will not cost you an arm and a leg. They are however less stylish. The prettier ones will fetch a higher price point which you will then have to consider if you are aiming for a look that will not affect your fashion. There are also blue light filtering glasses specifically crafted to be worn late at night while you are browsing your phone. Unlike the stylish one, these are designed for comfort where you can even wear them and fall asleep without any worry of getting poked in the eye or the glass shattering on your face.

Conclusion

Blue light filtering glasses work though at a limited capacity. Its main benefit is to fix your sleep cycle that may have gone out of sync due to our over-dependence to the computer screen. A pair of pricey blue light glasses will not do the complete trick however if your goal is to fix your digital eye strain. So you should still work out your breaks in addition to those blue light glasses.

Cite this article as:
Editorial Staff, "Fact or Fiction? Do Glasses that Blocks Blue Light actually help Your Vision in Any Way?," in Medicalopedia, February 27, 2019, [Permalink: https://www.medicalopedia.org/7310/blue-light-glasses/].