___ Are Blue Light Glasses Worth It? What Studies Show If you experience eye strain from long hours of screen usage, blue light glasses may provide relief. Slickdeals StaffNovember 23, 2021 3 minute read Advertiser Disclosure: At Slickdeals, we work hard to find the best deals. Some products in our articles are from partners who may provide us with compensation, but this doesn’t change our opinions. iStock If your eyes feel strained after staring at a computer screen all day, you aren’t alone. The rise of remote work and learning has people spending more time than ever gazing into the blue lights of their laptops and phones. Those seeking relief from the associated eye strain have led to a spike in interest for blue light glasses. If you are also struggling with eye fatigue or strain, you may be wondering if blue light glasses are worth buying. How Do Blue Light Glasses Work? In a nutshell, blue light glasses claim to filter out the harmful light emitted by digital screens, thus protecting your eyes from strain and discomfort, as well as improving sleep quality. You can tell them apart from regular glasses by taking a closer look at the lenses, as they often have a slight yellow tint to them. There have been a few studies about blue light and its impact on health. Blue light is beneficial for you during the day, as it boosts your focus, mood and response times, according to Harvard Health. Sunlight is composed mostly of blue light and it keeps you alert during the day. That is not a bad thing, as you actually want to be awake and active at those times. Unfortunately, all that changes at night, as artificial blue light emitted by digital screens is to blame for disrupting sleep patterns. So, while natural blue light does you good during the daytime, the blue light emitted by screens after sundown takes its toll on your body. Doctors recommend limiting your screen time after dark for 2-3 hours before going to bed, including taking frequent breaks from monitors, tablets and smartphones. Wearing blue light glasses can help with this, as it’s designed to block most of the blue light from your devices. Benefits of Wearing Blue Light Glasses Credit: iStock While blue light manufacturers go as far as claiming that their glasses relieve eye strain and headaches caused by prolonged screen usage, medical studies validating that claim are rather scarce. However, there are some studies that back up the benefits of blue light glasses and more such research are underway. The most important benefits have been highlighted in ophthalmology and psychology journals worldwide and they revolve around helping you live and work better, by ensuring: Improved sleep (quantity and quality) Work engagement and task performance Reduced eye fatigue As blue light suppresses your body’s natural release of melatonin, studies have shown that the higher the blue-light-blocking effect of the lens is, the more eye fatigue is reduced. Look for lenses with a high blocking factor in order to reap the benefits. In addition to the aforementioned studies and random control trials, a 2019 survey among Australian optometrists revealed that 75% of them prescribe blue-light-blocking glasses in their practice, 44% of them consider daily exposure to blue light as a possible cause of retinal damage, and around 50% believe that blue light from computer screens can cause computer vision syndrome aka digital eye strain. Are Some Blue Light Glasses Better Than Others? The more blue light they block, the more efficient the glasses are — it is as simple as it gets. When choosing blue light glasses, look at the percentage of blue light that each lens can block, which should be stated on the product. Who Benefits the Most From Wearing Blue Light Glasses? While blue light from any source, natural or artificial, can potentially harm anyone exposed to it, the constant interaction with digital screens makes office workers and social media addicts more prone to eye stress. They would benefit the most from wearing blue-light blocking glasses, but this one-type-fits-all kind of product can help anyone using a digital device regularly. Are Blue Light Glasses Worth Buying? If you spend long hours in front of a computer or digital screen, you can absolutely benefit from blue light glasses. Blue light glasses can help improve sleep and provide relief from eye strain, and offer virtually no downsides or risks to wearing them. You can even find a pair for as little as $15 on Amazon’s FSA Store, or you can purchase them elsewhere and get it reimbursed through your flex spending plan. If you wear prescription glasses, you can even add blue-light-filtering to your lenses. Considering the potential problems caused by blue light emitted by screens, ask about the possibility of adding a blue-light blocking filter the next time you need to change your lenses. Note that some places prefer to call them nighttime lenses, as their primary function is to improve melatonin secretion. To get alerts on the best blue light glasses deals, set up a Deal Alert so you get updates when there is a sale. Our editors strive to ensure that the information in this article is accurate as of the date published, but please keep in mind that offers can change. We encourage you to verify all terms and conditions of any product before you apply. 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