Everything you need to know about blue light glasses

February 18, 2019








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I’m sure by now you’ve all heard about blue light that is emitted from your screens. Every time I go on Instagram I see another ad or a blogger talking about blue light glasses, some prescription others not. But what do these glasses do exactly? They’re meant to block the wavelengths of light that are emitted from electronics that give off blue light. This blue light can tell your brain to stay awake and can mess with your sleep schedule.
 I read up on these mysterious glasses before I took the plunge and bought a pair and from my research there isn’t much scientific evidence that these work to reduce any eye strain like so many people advertise. You should still be taking breaks when you’re spending a lot of time in front of the screen, special glasses or not. 
Most of the blue light that enters your eyeballs is from the sun, like an overwhelming amount. And since for years and years people have been getting this blue light sent into their eyes before we were consumed by screens, we cannot conclude that blue light causes significant harm to the eye in normal doses (sorry my science side is coming out a bit). So are these blue light blockers totally useless? No!
A lot of the doctors interviewed for the articles I read said that these blue light glasses are great to wear at night if you need to do any work on your computer after the sun has gone down. It helps keep your brain on schedule with the sun and can help your screens stop disrupting your sleep. You should still be shutting down about 2 hours before bed though (impossible, I know) Outside of this though, there’s not much other proven helpful uses for them. 
With that being said, I got a pair for myself to test out. For the most part I do only wear them at night, I really do think that they help with my sleep. I used to put my phone down after some scrolling and lay in bed for what seemed like forever tossing and turning until I eventually picked up my phone again and kept scrolling until I was so exhausted that I couldn’t keep my eyes open. Really bad, I know. Now I find it so much easier to put the phone down and not go back to it before falling asleep; major win. 
I have always found that when I was in classes where a white screen was being projected onto a white wall that I was staring at for a while, when I tried to focus my eyes on something else, like my professor or my notebook it took me a little bit longer to adjust and my eyes felt tired and dry. After getting my (super cute) blue light glasses, I wanted to test out if they would help this at all by wearing them to class. It’s been about 2 weeks now and I think I can confidently say that it does, it could be a placebo or it could actually help, but I’m not getting that deep into it. I’ve also worn the glasses during the day time working on my computer, but I haven’t noticed any difference in strain or dryness. So, with the exception of my long lectures I only put these babies on around 6pm when I’m looking at screens. I urge you all to do your own research and use your own judgment on what you find the benefits are, but keep in mind all the things you learned about reliable sources in high school. Bloggers are not a cite-able medical source (most of them at least, myself included).




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