If you are very blue light sensitive you might be better off using physical filters: blue blocking glasses or screen filters because the good ones can ensure near 100% blue light blocking rates. 1900K or 1200K, it is possible to get relatively close (see table below). However, with very low correlated color temperature (CCT) settings, e.g. through software/electronic manipulation. On most (if not all) screens, it is impossible to completely eliminate blue light emissions with a blue light filter app, i.e. However blue light filter app, blue light app, and blue light filter for PC are generally accepted terms and thus used interchangeably in this article.Ĭomparing blue light apps and physical blue light filters Furthermore, Iris on its own offers more than f.lux and Workrave combined!īlue light filter apps reduce blue light emissionsīlue light filter apps alter the colors displayed on a screen such that less blue light is emitted (they don’t block or filter emitted blue light). So, Iris with its focus on computer induced, chronic eye fatigue is great news. However, since f.lux is insomnia centered its interface always felt a bit awkward to be used for CVS prevention. f.lux) and an anti-Repetitive Strain Injury app ( e.g. The only way to be fully covered had been to combine two pieces of software: a blue light filter app (e.g. Until Iris there hadn’t been any good blue light filter apps able to take care of it all. avoiding flicker, taking breaks, doing eye exercises, setting a limit to daily screen exposure, etc. But there is a lot more to CVS than blue light, e.g. Purchasing the license now entitles you to all future updates.įinally, a blue light app designed to relieve computer eye strainĬomputer blue light is an important cause of eye strain in many people. It is great for both CVS and/or insomnia. There are also many additional features not related to CVS or Insomnia. Iris Pro (purchase license here): More tools to relieve CVS (plus a few new ones to be implemented) than any other blue light app. A slightly wider selection of blue blocking rates and brightness control than Iris Mini, including 0K CCT and Color invert functions. Iris (download free): More comprehensive user interface – all features are explicit (not hidden as with Iris Mini Pro). Perfect against CVS and/or insomnia if you principally need blue light, and/or brightness control, and/or color invert. Among the many hidden features, two stand out as great value for CVS sufferers: the color invert, and unlimited blue light control. Iris Mini Pro (purchase license here): Minimalistic, simple to use. Iris Mini (download free): limited blue light filtering capacity and brightness control, no other anti-CVS functionalities. If your objective is only to fight digital screen induced insomnia and you want it for free f.lux is your best blue light app because it provides a greater range of CCT settings than the free versions of Iris. The two blue light filter apps: A brief overviewį.lux: Free, simple to use for insomnia, a bit trickier for CVS. Finally, the article reveals the functionalities that could potentially help reduce computer eye fatigue but are yet to be fully implemented in Iris. Next, the anti-CVS capabilities offered in Iris but not in f.lux are described. The article first mentions the functionalities that Iris and f.lux do equally well. These are not considered as the best for CVS prevention because of an inferior blue filtering technique. Six other popular blue light filter apps are also mentioned. Since there are already several articles about f.lux on Glarminy (see here, here, and here) the focus of this article will be on Iris and how it compares to f.lux ( in anti-CVS effectiveness). In insomnia prevention, the two apps appear similar. It filters blue light using the same approach as f.lux. Iris is the novel blue light filter app designed specifically to reduce computer eye strain. f.lux had been the best in its superior approach to filtering blue light. Like many others I’d been using f.lux, the popular anti-insomnia blue light filter app, to reduce computer vision syndrome (CVS) caused by blue light.
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