![]() Just wait for a clear day and hold your glasses towards the blue sky.ĭuring normal wear, the lenses look clear, but they actually have a slight yellow tint if filtering the recommended 30% of blue light. Perform the blue sky computer glasses blue light filter test So, make sure to buy yours from a reputable brand that can supply detailed lens data or a complete lens report. This means that any computer glasses cheaper than US$40 likely lack these essential features. Premium blue cut lenses that filter out the recommended 30% of all blue light and include anti-reflective coatings are costly to manufacture. To find out if a brand's blue light glasses are the best computer glasses you can get, you have to get some numbers from the companies' blue light filtering test data. Get the official blue light spectrum report data How to test blue light computer glasses (Clear lenses) 1. ![]() Red lenses can filter out the same amount of blue light as orange lenses, generally around 99.5–99.9%. Most of the extra light these filter out are in the safe yellow, orange, and red spectrum. They risk putting unnecessary strain on your eyes, comparable with using sunglasses indoors, so your eyes have to work hard to see anything. The issue with these deep dark red lenses is that they are hard to see through for negligible improvements for sleep compared to orange lenses. Red lenses are often marketed to be better for sleep improvement than orange lenses. Blue light blocking glasses for sleep – Red lenses Premium orange lenses for sleep block 99.5–99.9% of all blue light as well as a large amount of the green light spectrum, from 495 to 550 nm. A well-balanced lens for sleep filters out 100% of the most melatonin-disturbing light and is easy to see through.Ĭompared to yellow lenses, orange lenses are slightly darker, making them unsuitable for driving. ![]() The best blue light glasses for sleep have orange lenses. Blue light glasses for better sleep – Orange lenses This means that this color lens fails to block out the blue light that affects your sleep hormone the most (460–480 nm). These generally block around 65–70% of blue light when benchmarked with a blue light test. With more and more cars coming out with LED light technology, this type of blue light glasses is highly recommended for driving at night. The strain of focusing on screens may even trigger ocular migraines.Yellow blue light filter lenses are suitable to be used when driving at night.Ĭompared to the clear lenses, these are good at removing more of the highest energy blue light, around 440 nm, but are still clear enough to easily distinguish traffic lights and for driving at night. Symptoms of digital eye strain often include blurry vision, headaches and dry eyes. With or without blue light glasses, practicing eye-friendly screen habits is a guaranteed way to reduce your eye strain and the effects of computer vision syndrome. READ NEXT: Best places to buy blue light glasses Practicing good screen hygiene Online retailers like Eyebuydirect and Zenni Optical sell prescription and non-prescription blue-violet light filtering glasses for significantly less than most eyeglass stores, so the risk to your wallet will be minimal if they don't work out. Some people swear by them, while others don't see much of a benefit. To help with eye comfort (especially after excessive screen time), blue light glasses can be worth looking into. It might help to approach blue light glasses from a trial-and-error point of view. SEE RELATED: Blue light can be good and bad Do you really need blue light filter glasses? This will ensure your blue light glasses filter the correct type of blue light for your desired purpose. "The best first step is to consult with an eye care professional who will help ascertain your needs for protection," Rowen said. Typically, lenses that look more yellowed tend to filter more blue light than their clearer counterparts. Some blue light glasses have a yellow tint, while others look clear. ![]() How high the percentage and the type of blue light that is filtered depends on which glasses you buy. It’s important to note that blue light glasses typically filter blue-violet light, which is higher energy, but not blue-turquoise light, which impacts sleep/wake cycles. ![]() Sheri Rowen, an ophthalmologist and member of the Eyesafe Vision Health Advisory Board.īlue light glasses filter a percentage of this light with a special coating that reflects some of the blue light away from your eyes. "The average time on devices and in front of screens for adults is pushing 11 hours per day, and as such, our eyes are under a lot of digital light strain," said Dr. But the average American now spends so much of their time indoors in front of digital screens that the lower rate of exposure starts to add up. Naturally, artificial blue light is much weaker than the sun's blue light. ![]()
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