Blue light

Blue light – learn the fact and fiction behind this modern threat

Have you ever tried researching blue light on the Internet? Are you left confused by all the articles claiming different things? Are you wondering if you should be worried or if it’s all just another marketing ploy from big corporations trying to sell you stuff? Well look no further-here are 7 debunked myths and 5 truths about blue light you … Read More


Is it safe for your vision to look at a computer screen all day at work and then more at home each day?

Absolutely no Monitors emit blue light and have PWM (Pulse-width modulation) flicker Blue light is really harmful to your eyes and prevents you from having a good sleep PWM flicker is basically your monitor turning off hundreds of times per second, you can’t see it with your eyes but your brain perceives it and it is the most common cause … Read More


How does blue light change with screen brightness?

There is little to none change in the blue light amount Although when talking about brightness you should make sure that you are using your monitor without PWM Flicker That, in its essence, is your monitor turning on and off again hundreds of times per second: That is the main cause of eye pain when spending a lot of time … Read More


How does “blue light” emitted from computer screens, phone screens, and tablets impact a person?

Blue light comes from everywhere around us. It’s not only the monitors, or the smartphones, or the tablets around us. Almost all artificial light sources today generate much more than the recommended amount of blue light. In 1988 the photoreceptor Melanopsin was found and for the first time it was proven that light is not only useful for our vision … Read More


Does blue light damage your eyes?

Millions of years ago people lived in sync with nature. When we lived in caves we didn’t have light bulbs and this somehow helped our circadian clocks to stay on track with the natural day and night cycles of the sun Then people started using candles which have color temperature around 1800K which was still fine The Incandescent light bulbs … Read More


Do LED smart lights emit blue light even when the visible light is red (or any other color)?

Look at this spectrum: These LED smart light emit color by mixing Red, Green, and Blue (RGB) lights If the only visible color is Red then, no, it doesn’t emit blue light But if you select a color like yellow, for example, there will be an emit of blue light The same goes for your monitor, it constantly emits blue … Read More


As a designer, what are the benefits of using F.lux?

Designers work with color. Blue light filters remove (or at least partly) the blue light, which alters the colors So when you are creating something with flux on, you will notice that the moment you turn it on or send it to somebody else the colors will look different Of course, you can turn it off every time you start … Read More


Blue light Medical Researches

A collection of articles and medical researches on blue light effects on our sleep and eyes: https://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side https://www.sciencedirect.com/science/article/pii/S2351978915004606 https://www.sciencedirect.com/science/article/pii/S2351978915004606 https://www.webmd.com/sleep-disorders/news/20170619/is-blue-light-bad-for-your-health https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2831986/ https://en.wikipedia.org/wiki/Effects_of_blue_light_technology http://www.pnas.org/content/early/2014/12/18/1418490112 https://en.wikipedia.org/wiki/Melanopsin https://www.nytimes.com/2011/07/05/health/05light.html?_r=2&pagewanted=all https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3047226/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3060589/pdf/tjp0589-1095.pdf https://academic.oup.com/jcem/article/88/9/4502/2845835 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2717723/pdf/nihms128437.pdf https://www.nejm.org/doi/pdf/10.1056/NEJM199501053320102 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2342968/pdf/tjp0549-0945.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3281823/pdf/pone.0030037.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3176605/pdf/pnas.201010666.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892834/pdf/nihms190030.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2574505/pdf/nihms68147.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2151130/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1885631/pdf/zpq9081.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1855248/pdf/nihms20144.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2714089/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2270041/pdf/tjp0526-0695.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC61161/pdf/pq2401014027.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1160744/pdf/jphysiol00392-0283.pdf https://www.physiology.org/doi/pdf/10.1152/ajpregu.00232.2005 https://academic.oup.com/jcem/article/89/7/3610/2844750 https://www.physiology.org/doi/pdf/10.1152/ajpregu.2000.279.5.R1574 https://www.physiology.org/doi/pdf/10.1152/ajpregu.1997.273.5.R1800 https://www.nejm.org/doi/pdf/10.1056/NEJM199005033221801 https://academic.oup.com/jcem/article/100/11/4067/2836092 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1855248/ https://www.nature.com/articles/eye2015261 https://www.ncbi.nlm.nih.gov/pubmed/10510514 https://www.ncbi.nlm.nih.gov/pubmed/15840951 https://link.springer.com/article/10.1007%2FBF00996485


The Ultimate Guide to Blue Light Filters

From Iris, f.lux, Redshift and other blue light filter desktop softwares for blue light reduction to Android screen filters, blue blockers, transparent sheets and everything in between this is the biggest collection of tools to remove the blue light from your life but first, lets make one thing clear: You are not going to die Blue light is just blue … Read More


Best Background Color to Reduce Eye Strain

Did you know that the wrong choice of background color for your computer screen can lead to eye strain? In this world that has gotten more obsessed with technology, most of your devices have screens that can cause modern kind of eye strain. Once left unchecked, this eye strain can cause major eye and medical issues including blurred vision, macular … Read More