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I'm on a computer all day. Should I get blue blocking glasses?

Updated: Jun 10, 2019

This is a great question. We are exposed to a lot more blue light, now more than ever, since it is emitted from LED lights and digital devices (your cell phone, computer and laptop screens, TVs). Many people spend the majority of their day staring at their cell phones or computer screens, and kids nowadays are exposed to more blue light starting from a younger age.


Blue light suppresses our ability to secrete melatonin, a hormone that helps regulate our circadian rhythm, and this can disrupt your ability to sleep at night. What many do recommend is to try and reduce the amount of blue light exposure in the hours before bedtime, and this can be done by using apps or lenses, or just cutting out your screen time altogether.


Many patients also find that blue light blocking coatings and tech lenses reduce digital eyestrain, especially in those who find themselves on the computer all day long. These coatings and special lenses filter anywhere from 20-40% of blue light.


At the end of the day, we probably won't know if blue light actually causes damage to our eyes (eg. macular degeneration) until 10, 15, 20 years from now. But if blue light blockers can increase your productivity while at work and help you sleep better at night, give it a try!

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