{"id":10563,"date":"2018-08-22T11:27:27","date_gmt":"2018-08-22T09:27:27","guid":{"rendered":"https:\/\/iristech.co\/?p=10563"},"modified":"2019-11-25T17:07:38","modified_gmt":"2019-11-25T15:07:38","slug":"blue-light-filters-how-to","status":"publish","type":"post","link":"https:\/\/iristech.co\/blue-light-filters-how-to\/","title":{"rendered":"How to choose a Blue light filter"},"content":{"rendered":"<p><a href=\"https:\/\/iristech.co\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10565 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-blue-light-filter-software.jpg\" alt=\"\" width=\"1300\" height=\"481\" \/><\/a><\/p>\n<p>You may think that all blue light filters are the same but they are not.<\/p>\n<p>In this article, I&#8217;m going to give you everything you need to know to choose the <a href=\"https:\/\/iristech.co\">best blue light filter<\/a>.<\/p>\n<p>Based on my 5 years of experience dealing with <a href=\"https:\/\/iristech.co\/blue-light\/\">blue light<\/a>, <a href=\"https:\/\/iristech.co\/pwm-flicker\/\">eye problems<\/a>, and <a href=\"https:\/\/iristech.co\/blue-light\/\">sleep<\/a>, there are certain things which are super important and nobody talks about.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-10574 size-full\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/computer-usage-effect-on-our-body.png\" alt=\"Eye problems caused by too much blue light exposure\" width=\"1490\" height=\"481\" \/><\/p>\n<p>If you want to protect your eyes from the PC,<\/p>\n<p>If you want to have better and more deep sleep,<\/p>\n<p>If you want to work more on your computer and be less tired,<\/p>\n<p>Then filtering and controlling your blue light exposure will help you achieve this.<\/p>\n<p>All high-performing people know about blue light, but there are also some things which they know and most people don&#8217;t.<\/p>\n<p>You are already a step ahead because you know that our health is not only food and water.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-dispersion.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10573 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-dispersion.gif\" alt=\"\" width=\"266\" height=\"200\" \/><\/a><\/p>\n<p>Light has so profound effect on our body and yet it is the most underrated physical phenomena.<\/p>\n<p>The light changes our sleep patterns, affect the building blocks of our body &#8211; the mitochondria cells.<\/p>\n<p>Light regulates our mood and emotions and the truth is that we don&#8217;t even see most of the light around us.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-spectrum.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10579 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-spectrum.jpg\" alt=\"\" width=\"600\" height=\"286\" \/><\/a><\/p>\n<p>Our microwave, the Wi-Fi in our house, radio, our smartphones even the electrical current in our house, all of this is light.<\/p>\n<p>And while we can&#8217;t live in caves and about all EMFs, you can do something about the harmful emissions from your PC at work or at your home.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-and-plant-grow-simple.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10582 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-and-plant-grow-simple.png\" alt=\"\" width=\"596\" height=\"266\" \/><\/a><\/p>\n<p>Cells of living things respond the most to red and blue light.<\/p>\n<p>Red light promotes growth and blue light suppresses growth.<\/p>\n<p>You can see this in medical researches on plants, rats and all kinds of animals.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-effects-on-our-body.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10584\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-effects-on-our-body.png\" alt=\"\" width=\"1485\" height=\"1097\" \/><\/a><\/p>\n<p>In our body, we get tons of problems by too much exposure to blue light.<\/p>\n<p>One of the most prominent are different problems and retinal damages to our eyes, but we also get negative effects if we get too much blue light onto our\u00a0skin.<\/p>\n<p>And not surprisingly\u00a0the biggest producer of blue light in our lives is our electronic devices.<\/p>\n<p>Phones, laptops and our PC.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/led-spectrum-sun-spectrum.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10585\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/led-spectrum-sun-spectrum.jpg\" alt=\"\" width=\"680\" height=\"247\" \/><\/a><\/p>\n<p>Compared to the sunlight the light emitted from our electronic devices contains so much more blue light that all of us get eye pain, sleep problems, depression, mood swings and emotional instability.<\/p>\n<p>But it shouldn&#8217;t be that way. There is a way to use your PC whole day and feel great.<\/p>\n<p><a href=\"https:\/\/iristech.co\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10586 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-software.png\" alt=\"\" width=\"540\" height=\"515\" \/><\/a><\/p>\n<p>In 2015 I created a game-changing health software called <a href=\"https:\/\/iristech.co\">Iris<\/a>.<\/p>\n<p>Today it&#8217;s used by more than 1 million people worldwide and is growing every day.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<p>If you have some friend who is super productive and feels great all the time she is probably using <a href=\"https:\/\/iristech.co\/\">Iris<\/a> and is one of the <a href=\"https:\/\/www.facebook.com\/pg\/iristech.co\/reviews\/\" class=\"broken_link\">thousands of happy users<\/a>.\u00a0So back to the question,<\/p>\n<h1>Why most Blue light filters are bad?<\/h1>\n<p>To answer this question simply, it&#8217;s not only blue light.<\/p>\n<p>There is also <a href=\"https:\/\/iristech.co\/how-to-test-my-monitor-for-pwm-flicker\/\">PWM flicker<\/a>, Subpixel flicker and the premise of most blue light filters is that they will improve your sleep.<\/p>\n<p>But is this actually true?<\/p>\n<p>If you have some blue light filter you can use this <a href=\"https:\/\/iristech.co\/blue-light-filter-test\/\">blue light filter test<\/a> to see how effective it is.<\/p>\n<h2>It&#8217;s not only Blue light<\/h2>\n<p>And by it&#8217;s not only blue light I mean that the latest medical researches point that light up to 550 nm has an effect on melatonin suppression.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-and-melatonin-supression.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10592 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/light-and-melatonin-supression.jpg\" alt=\"\" width=\"1800\" height=\"1402\" \/><\/a><\/p>\n<p>They are actually not that new since most of them are from 2001 but most of the blue light filter manufacturers don&#8217;t even read things that are this old.<\/p>\n<p>I don&#8217;t want to go into much details about this so I&#8217;m just going to give you some links to medical researches: <a href=\"http:\/\/www.jneurosci.org\/content\/21\/16\/6405\" class=\"broken_link\">Study 1<\/a>, <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/11763987\">Study 2<\/a>, <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4217411\/\">Study 3<\/a>, etc.<\/p>\n<p>And you don&#8217;t need a PhD to understand all of this things.<\/p>\n<p>We have read, tested and made a product which can give you all the benefits of the science of blue light with a simple click.<\/p>\n<p>And just so you know, if you really want to improve your sleep, the colors around you at night should look like the <a href=\"https:\/\/iristech.co\/type-dropdown-help\/#sleep-type\">Sleep type<\/a> in <a href=\"https:\/\/iristech.co\/\">Iris<\/a>.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/sleep-type-in-iris.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10595 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/sleep-type-in-iris.png\" alt=\"\" width=\"548\" height=\"516\" \/><\/a><\/p>\n<p>This may seem like too much but it&#8217;s actually true.<\/p>\n<p>However, the <a href=\"https:\/\/iristech.co\/type-dropdown-help\/#health-type\">Health type<\/a> will reduce the peak of blue light and you will be more healthy and sleep better while the colors of your screen comfortable to watch.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/health-type-iris.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10599 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/health-type-iris.png\" alt=\"\" width=\"551\" height=\"525\" \/><\/a><\/p>\n<p>Just try and tell me if you don&#8217;t see a difference in your eye and sleep health. You will be amazed and you will never use a PC without <a href=\"https:\/\/iristech.co\/\">Iris<\/a> again.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h2>Flicker<\/h2>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/pwm_flicker_dc_dimming.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10621 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/pwm_flicker_dc_dimming.jpg\" alt=\"\" width=\"720\" height=\"266\" \/><\/a><\/p>\n<p>So you need to block light up to 550 nm to have a better sleep (both blue and green) but what about eye protection?<\/p>\n<p>Is blocking blue light enough to reduce your eye pain and eye-related problems with the PC?<\/p>\n<p>Is it normal to feel eye strain in front of the PC?<\/p>\n<p>The answer is No.<\/p>\n<p>Eye pain has little to do with reducing the blue light and much more with matching the brightness to the room lighting and reducing flicker from your monitor.<\/p>\n<p>My research found that most monitors are actually really bad for the eyes and I explain this in a little bit more details in my TED talk, &#8220;<a href=\"https:\/\/www.youtube.com\/watch?v=HN30fO2I2aU\">How technology is killing our eyes<\/a>&#8220;:<\/p>\n<p style=\"text-align: center\"><iframe loading=\"lazy\" title=\"How technology is killing our eyes | Daniel Georgiev | TEDxVarna\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/HN30fO2I2aU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>The flicker from our monitor causes our iris got make constant contractions and this is actually the thing I wanted to fix when I created my software, <a href=\"https:\/\/iristech.co\">Iris<\/a>.<\/p>\n<p>The process is similar to the movement of the iris when we turn ON and OFF the lights in the room and watch ourselves in the mirror but much faster.<\/p>\n<p>It looks like this:<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/eye-pwm-flicker.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10622 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/eye-pwm-flicker.gif\" alt=\"\" width=\"640\" height=\"366\" \/><\/a><\/p>\n<p><a href=\"https:\/\/iristech.co\">Iris<\/a> fixes this by controlling the brightness of the screen automatically without changing the flicker frequency.<\/p>\n<p>Under the hood, it uses the video card and special kinds of commands instead of the backlight which is much better for eye protection and Iris is the only software in the world which takes care of all kinds of flickers.<\/p>\n<p>You can test this by installing Iris and going to the <a href=\"https:\/\/iristech.co\/how-to-test-my-monitor-for-pwm-flicker\/\">PWM flicker test<\/a> or Subpixel flicker test.<\/p>\n<p>You can also try other softwares for eye protection and\/or blue light reduction with the above tests and just the difference.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>Other things which affect our Eye health<\/h1>\n<p>Aside from the blue light and the flicker of our monitors, there are also other things which affect our eye health.<\/p>\n<h2>Font Rendering<\/h2>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/font-rendering.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10641 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/font-rendering.gif\" alt=\"\" width=\"518\" height=\"183\" \/><\/a><\/p>\n<p><a href=\"https:\/\/iristech.co\">Iris<\/a> is the only software which can make things like font rendering more healthy for the eyes by displaying more sharp fonts which are easier for our eyes to focus.<\/p>\n<h2>Glossy vs Matte<\/h2>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/glossy-matte-monitors.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10643 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/glossy-matte-monitors.jpg\" alt=\"\" width=\"585\" height=\"218\" \/><\/a><\/p>\n<p>Other things like glossy monitors also affect our eye health because they cause a\u00a0double image on the screen and our eye gets strained while trying to focus on only one of the images.<\/p>\n<p>If you have a glossy monitor like on the picture of the left consider buying some anti-reflective coating or using a matte screen which doesn&#8217;t reflect the light but diffuses it.<\/p>\n<h2>Yawning<\/h2>\n<p>It&#8217;s also a good practice to yawn more since this makes our eyes to produce more tears.<\/p>\n<p>Yawning is the most effective way to moisture our eyes.<\/p>\n<h2>Rests<\/h2>\n<p>If you can try to stand up from the PC from time to time and look at a distant object.<\/p>\n<p>Looking at distant objects will help your eyes to relax more and will reduce the eye strain from your monitor.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-break-reminding.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10644\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-break-reminding.png\" alt=\"\" width=\"1285\" height=\"1017\" \/><\/a><\/p>\n<p><a href=\"https:\/\/iristech.co\">Iris<\/a> can remind you to take\u00a0breaks at regular intervals with its <a href=\"https:\/\/iristech.co\/timer-page-help\/\">Timer<\/a> feature.<\/p>\n<p>But if you only install Iris just for the blue light and the flicker-free brightness you don&#8217;t need to take such measures and you will feel great without implementing complex routines into your lifestyle.<\/p>\n<p>It&#8217;s simple as downloading the software.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>What if I don&#8217;t use a Blue light filter?<\/h1>\n<p>Well, you are not going to die but you are going to be much more unhealthy and I&#8217;m not sure if there is even a downside to <a href=\"https:\/\/iristech.co\/best-blue-light-filter\/\">blue light filters<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10646 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-effect-on-our-body.png\" alt=\"\" width=\"1200\" height=\"1002\" \/><\/p>\n<p>Studies show that prolong exposure to blue light is linked to:<\/p>\n<ul>\n<li>Impaired memory<\/li>\n<li>Depression<\/li>\n<li>Macular degeneration<\/li>\n<li>Cataracts<\/li>\n<li>Prostate and breast cancer<\/li>\n<li>Risk of obesity<\/li>\n<li>Neurotoxin buildup<\/li>\n<li>Diabetes<\/li>\n<li>Obesity<\/li>\n<li>Chronic fatigue<\/li>\n<li>Poor immunity and susceptibility to viruses and bacteria<\/li>\n<li>Cardiovascular diseases<\/li>\n<\/ul>\n<p>This may sound like too much but the light really is more than just light.<\/p>\n<p>We spend so much time thinking about what we eat and what we drink.<\/p>\n<p>We know that a poor diet can cause all sorts of diseases but what about our light diet?<\/p>\n<p>Light is important for every cell into our body from the mitochondria to our hormone-producing organs.<\/p>\n<p>Light is important and using a blue light filter\u00a0at least during the night is also important.<\/p>\n<p>Whatever you will get <a href=\"https:\/\/iristech.co\/best-blue-light-filter\/\">blue light filter glasses<\/a>, <a href=\"https:\/\/iristech.co\">blue light filter software<\/a> or <a href=\"https:\/\/iristech.co\/best-blue-light-filter\/\">blue light filter\u00a0screen protector<\/a>\u00a0try for a couple of days to reduce the blue light around you during the night.<\/p>\n<p>You will never look at electronic\u00a0devices during the night the same way again.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>How will I be better if I use a Blue light filter?<\/h1>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-blue-light-filter.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10652 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-blue-light-filter.png\" alt=\"\" width=\"550\" height=\"557\" \/><\/a><\/p>\n<p>First, if you use a <a href=\"https:\/\/iristech.co\/\">blue light filter<\/a> at night you will notice an immediate difference in the amount of the time you need to fall asleep after using your computer at night.<\/p>\n<p>But I personally don&#8217;t like to go to sleep early so my biggest benefit is that I don&#8217;t feel any eye pain or eye strain anymore from my monitor.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10574 size-full aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/computer-usage-effect-on-our-body.png\" alt=\"Protect yourself from blue light\" width=\"1490\" height=\"481\" \/><\/p>\n<p>Computer Vision Syndrome (CVS)\u00a0 or some symptoms of it are present in more than 90% of the computer users worldwide.<\/p>\n<p>I suffered from dry eyes, used tons of artificial eye drops but not anymore. A regular blue light filter may not cure all of the symptoms of CVS but it will definitely help.<\/p>\n<p>The reason is as I told before that blue light is only part of the problem but it&#8217;s an important part.<\/p>\n<p>As the most high-energy visible light, it penetrates deep into our retina and damages it.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-effects-on-our-body.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10584\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-effects-on-our-body.png\" alt=\"\" width=\"1485\" height=\"1097\" \/><\/a><\/p>\n<p>Macular degeneration, cataracts, and all kinds of irreversible diseases are caused by too much blue light so by using a blue light filter you will never have to worry about this things again.<\/p>\n<p>So you will sleep better, you will feel less eye strain and your eye pain will be reduced.<\/p>\n<p>If you care about your eye health and really want to use your computer for longer without feeling any eye strain <a href=\"https:\/\/iristech.co\/\">Iris<\/a> is the perfect solution.<\/p>\n<p>Not only that it will gradually regulate the blue light to sleep better and protect yourself from all kinds of eye diseases, but it will also match the brightness of the screen to the light around you and will remove the flicker from your monitor.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/glasses.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10653 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/glasses.jpg\" alt=\"\" width=\"2000\" height=\"1000\" \/><\/a><\/p>\n<p>Flicker is the most common case for us to get bad vision and prescription glasses and <a href=\"https:\/\/iristech.co\/\">Iris<\/a>\u00a0will save your vision without the need to restrain yourself from using the computer.<\/p>\n<p>With Iris, you can use your computer for the entire day and night and be sure that your vision will not become worse. It will actually become better, much better.<\/p>\n<p>Healthy eyes, better vision, reduces eye strain, relieved eye pain, and better sleep.<\/p>\n<p>Do you want to be the healthiest of your friends, without doing anything?<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>How is Iris different from other products?<\/h1>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/which-is-the-best-blue-light-filter.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10682\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/which-is-the-best-blue-light-filter.png\" alt=\"\" width=\"1900\" height=\"573\" \/><\/a><\/p>\n<h2>Blue light<\/h2>\n<p>Compared to other blue light filter software Iris blocks the blue light better and has bigger color range.<\/p>\n<p>While most softwares can leave 5 or 10% blue light even on the lowest values Iris can literally remove all blue and green light up to 550nm.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-test-image-iris.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10683\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/blue-light-test-image-iris.png\" alt=\"\" width=\"1200\" height=\"630\" \/><\/a><\/p>\n<p>To test this you can use this test image or go to Iris <a href=\"https:\/\/iristech.co\/blue-light-filter-test\/\">blue light filter test<\/a>\u00a0for testing gifs and other methods to test how much blue light your blue light filter blocks.<\/p>\n<p><a href=\"https:\/\/iristech.co\">Iris<\/a> doesn&#8217;t work on TVs yet so if you want to block the blue light from your TV or the lightbulbs around you it&#8217;s good to combine it with blue light filter glasses.<\/p>\n<p>The benefit of <a href=\"https:\/\/iristech.co\">Iris<\/a> over blue light filter glasses aside for the bigger blocking range is also that it blocks the blue light before it&#8217;s even emitted so it doesn&#8217;t come to your skin which causes some health problems with the mitochondria.<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Melanopsin\">Melanopsin<\/a> is also present in our skin so you may also get some circadian rhythms disruption if you get too much blue light on your skin.<\/p>\n<h2>Flicker<\/h2>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/flicker-test-shareable-v2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10684\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/flicker-test-shareable-v2.png\" alt=\"\" width=\"596\" height=\"564\" \/><\/a><\/p>\n<p><a href=\"https:\/\/iristech.co\">Iris<\/a> is also the only product which can remove all flicker from your monitor which is the main cause of eye strain and headaches.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/pwm-flicker-on-different-screens.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10685\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/pwm-flicker-on-different-screens.png\" alt=\"\" width=\"631\" height=\"164\" \/><\/a><\/p>\n<p>You can test your monitor for PWM flicker from this <a href=\"https:\/\/iristech.co\/how-to-test-my-monitor-for-pwm-flicker\/\">PWM flicker test<\/a> and test your monitor for Subpixel flicker from this Subpixel flicker test.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>Is Iris Free?<\/h1>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-pricing.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10686 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/iris-pricing.png\" alt=\"\" width=\"1151\" height=\"387\" \/><\/a><\/p>\n<p><a href=\"https:\/\/iristech.co\/\">Iris<\/a> is free for 7 days and it doesn&#8217;t require you to enter any debit\/credit card details so you can just click the Download button and you will get an installation file.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/invite-link.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10687 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/invite-link.png\" alt=\"\" width=\"1007\" height=\"502\" \/><\/a><\/p>\n<p>After installation, you will also get your own special invite link and if you like Iris and send your link to some of your friends you get 1 more free month for every friend you invite.<\/p>\n<p>If some of your friends install Iris you will get 1 more month of free time for your Iris so you can basically use it 1 year for free if you just tell to 10 friends.<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/trial-expires-soon.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10688 aligncenter\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/trial-expires-soon.png\" alt=\"\" width=\"478\" height=\"191\" \/><\/a><\/p>\n<p>If you want to use the program more than this you can always click the <a href=\"https:\/\/iristech.co\/buy-iris\/\">Buy button<\/a>\u00a0and you can purchase lifelong or subscription license for Iris.<\/p>\n<p>You can read more about all these things from the <a href=\"https:\/\/iristech.co\/licensing\/\">Licensing page<\/a> on our website.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>Will I get my money back if I don&#8217;t like it?<\/h1>\n<p>Yes, we have a company rule to always refund money if somebody is unhappy with Iris.<\/p>\n<p>We will also probably delete the activation code since it\u2019s not fair if you like and use Iris but want a refund.<\/p>\n<p>I tried to summarize all questions related to your buying protection at this\u00a0<a href=\"https:\/\/iristech.co\/buying-agreement\/\">Buying Agreement<\/a>.<\/p>\n<p>In short, we always refund money and try to provide the best possible service.<\/p>\n<p>Up until now, we don\u2019t have not even one unhappy customer so we try really hard to be good and helpful.<\/p>\n<p>If you don\u2019t believe me, see the\u00a0<a href=\"https:\/\/www.facebook.com\/iristech.co\/reviews\">reviews<\/a>\u00a0on our Facebook page.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>Do people use Iris?<\/h1>\n<p>Yes, more than 2 million people at the time of writing use Iris in more than 180 countries.<\/p>\n<p><a href=\"https:\/\/iristech.co\/\">Iris<\/a> is also recommended from world-class experts as the best health software. It&#8217;s used by millionaires, Olympic athletes, doctors and health experts and so many people tell us that this is the first software they install on their PC.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<p>Famous people like Dr. Mercola and Ben Greenfield use Iris:<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/07\/ben-and-mercola-reviews.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10300\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/07\/ben-and-mercola-reviews.png\" alt=\"\" width=\"846\" height=\"747\" \/><\/a><\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Now<\/a><\/p>\n<p>People on Facebook use Iris:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10299\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/07\/iris-facebook-reviews.png\" alt=\"\" width=\"496\" height=\"3526\" \/><\/p>\n<p>and also on Twitter:<\/p>\n<p><a href=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/07\/Untitled.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10296\" src=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/07\/Untitled.png\" alt=\"\" width=\"580\" height=\"632\" \/><\/a><\/p>\n<p>You can see all positive reviews on our <a href=\"https:\/\/www.facebook.com\/pg\/iristech.co\/reviews\">Facebook page<\/a> and famous people who use the software on the <a href=\"https:\/\/iristech.co\">homepage<\/a>.<\/p>\n<p>I also have some collection of e-mails and other reviews on the <a href=\"https:\/\/iristech.co\/testimonials\">testimonials page<\/a>.<\/p>\n<p>There are so much more people using Iris but we just recently started collecting reviews so I guess it&#8217;s my fault that I can only show you only couple of hundred reviews but they are all real.<\/p>\n<p>We don&#8217;t have even one unhappy user and if somebody is not happy we refund everything purchased.<\/p>\n<p>It&#8217;s mine and our company biggest rule and responsibility to never let problem unsolved or a user not happy.<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>If I have a problem will somebody help me?<\/h1>\n<p>Yes, we answer via <a href=\"https:\/\/www.messenger.com\/t\/iristech.co\">Messenger<\/a> and via e-mail to everything.<\/p>\n<p>On Messenger, we also have some automation for the most common questions so it&#8217;s the preferred method of communication and you can get an answer in under 1 second.<\/p>\n<p>For our team to respond it takes us around 1 day because we are still a small team but I have also a plan to add some phone support \ud83d\ude42<\/p>\n<p style=\"text-align: center\"><a id=\"download-now-button\" class=\"text-center ignore-visited btn btn-success\" href=\"https:\/\/iristech.co\/download-now\">Download Iris<\/a><\/p>\n<h1>Final Words<\/h1>\n<p>Thanks for reading this article and if you liked it, we would be really happy if you click some of the buttons bellow and share it with friends. Thank you again,<\/p>\n<p>Daniel Georgiev<br \/>\nCEO Iris Technologies<\/p>\n<!-- Simple Share Buttons Adder (8.4.12) simplesharebuttons.com --><div class=\"ssba-classic-2 ssba ssbp-wrap alignleft ssbp--theme-1\"><div style=\"text-align:N\"><span class=\"ssba-share-text\">Share this...<\/span><br\/><a data-site=\"facebook\" class=\"ssba_facebook_share ssba_share_link\" href=\"https:\/\/www.facebook.com\/sharer.php?t=How to choose a Blue light filter&u=https:\/\/iristech.co\/wp-json\/wp\/v2\/posts\/10563\"  style=\"color:; background-color: ; height: 48px; width: 48px; \" ><img decoding=\"async\" src=\"https:\/\/iristech.co\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/facebook.png\" style=\"width: 35px;\" title=\"facebook\" class=\"ssba ssba-img\" alt=\"Share on facebook\" \/><div title=\"Facebook\" class=\"ssbp-text\">Facebook<\/div><\/a><a data-site=\"pinterest\" class=\"ssba_pinterest_share ssba_share_link\" href=\"https:\/\/pinterest.com\/pin\/create\/button\/?description=How to choose a Blue light filter&media=&url=https:\/\/iristech.co\/wp-json\/wp\/v2\/posts\/10563\"  style=\"color:; background-color: ; height: 48px; width: 48px; \" ><img decoding=\"async\" src=\"https:\/\/iristech.co\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/pinterest.png\" style=\"width: 35px;\" title=\"pinterest\" class=\"ssba ssba-img\" alt=\"Share on pinterest\" \/><div title=\"Pinterest\" class=\"ssbp-text\">Pinterest<\/div><\/a><a data-site=\"twitter\" class=\"ssba_twitter_share ssba_share_link\" href=\"https:\/\/twitter.com\/intent\/tweet?text=How to choose a Blue light filter&url=https:\/\/iristech.co\/wp-json\/wp\/v2\/posts\/10563&via=\"  style=\"color:; background-color: ; height: 48px; width: 48px; \" ><img decoding=\"async\" src=\"https:\/\/iristech.co\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/twitter.png\" style=\"width: 35px;\" title=\"twitter\" class=\"ssba ssba-img\" alt=\"Share on twitter\" \/><div title=\"Twitter\" class=\"ssbp-text\">Twitter<\/div><\/a><a data-site=\"linkedin\" class=\"ssba_linkedin_share ssba_share_link\" href=\"https:\/\/www.linkedin.com\/shareArticle?title=How to choose a Blue light filter&url=https:\/\/iristech.co\/wp-json\/wp\/v2\/posts\/10563\"  style=\"color:; background-color: ; height: 48px; width: 48px; \" ><img decoding=\"async\" src=\"https:\/\/iristech.co\/wp-content\/plugins\/simple-share-buttons-adder\/buttons\/somacro\/linkedin.png\" style=\"width: 35px;\" title=\"linkedin\" class=\"ssba ssba-img\" alt=\"Share on linkedin\" \/><div title=\"Linkedin\" class=\"ssbp-text\">Linkedin<\/div><\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p class=\"excerpt\">You may think that all blue light filters are the same but they are not. In this article, I&#8217;m going to give you everything you need to know to choose the best blue light filter. Based on my 5 years of experience dealing with blue light, eye problems, and sleep, there are certain things which are super important and nobody &#8230; <a class=\"read-more\" href=\"https:\/\/iristech.co\/blue-light-filters-how-to\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":29302,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[365],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>4 Things You Need to Know Before Choosing a Blue light filter for your PC<\/title>\n<meta name=\"description\" content=\"You may think that all blue light filters are the same but they are not. In this article, I&#039;m going to give you everything you need to know to choose the best blue light filter. Based on my 5 years of experience dealing with blue light, eye problems, and sleep, there are certain things which are super important and nobody talks about.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iristech.co\/blue-light-filters-how-to\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4 Things You Need to Know Before Choosing a Blue light filter for your PC\" \/>\n<meta property=\"og:description\" content=\"You may think that all blue light filters are the same but they are not. In this article, I&#039;m going to give you everything you need to know to choose the best blue light filter. Based on my 5 years of experience dealing with blue light, eye problems, and sleep, there are certain things which are super important and nobody talks about.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/iristech.co\/blue-light-filters-how-to\/\" \/>\n<meta property=\"og:site_name\" content=\"\ud83d\udca1\ud83d\udc68\u200d\ud83d\udcbb Iris - Software for Eye protection, Health and Productivity \ud83d\udecc\ud83d\udc40\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/iristech.co\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-08-22T09:27:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-11-25T15:07:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/iristech.co\/wp-content\/uploads\/2018\/08\/glasses-vs-software-vs-screen-protectors-social-1200-600-v2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Daniel Georgiev (CEO)\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@iristech_co\" \/>\n<meta name=\"twitter:site\" content=\"@iristech_co\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Georgiev (CEO)\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/iristech.co\/blue-light-filters-how-to\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/iristech.co\/blue-light-filters-how-to\/\"},\"author\":{\"name\":\"Daniel Georgiev (CEO)\",\"@id\":\"https:\/\/iristech.co\/#\/schema\/person\/d107297449ed2300603c13d6b1f13130\"},\"headline\":\"How to choose a Blue light filter\",\"datePublished\":\"2018-08-22T09:27:27+00:00\",\"dateModified\":\"2019-11-25T15:07:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/iristech.co\/blue-light-filters-how-to\/\"},\"wordCount\":2687,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/iristech.co\/#organization\"},\"articleSection\":[\"Blue light filter\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/iristech.co\/blue-light-filters-how-to\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/iristech.co\/blue-light-filters-how-to\/\",\"url\":\"https:\/\/iristech.co\/blue-light-filters-how-to\/\",\"name\":\"4 Things You Need to Know Before Choosing a Blue light filter for your PC\",\"isPartOf\":{\"@id\":\"https:\/\/iristech.co\/#website\"},\"datePublished\":\"2018-08-22T09:27:27+00:00\",\"dateModified\":\"2019-11-25T15:07:38+00:00\",\"description\":\"You may think that all blue light filters are the same but they are not. 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