LED back lit light sources flicker as they run off an alternating current.

You need to block 100% of blue and green light between 400nm and 550nm after sunset to significantly improve your sleep.įlicker is also concern as well. If you are looking to improve your quality of sleep by using F.lux it won’t work. An application cannot completely solve a hardware problem. The application filters down the level of blue light emitted by your computer.į.lux does not block 100% of blue light. Filters down blue light and reduces color temperatureį.lux is cheap to purchase and relatively easy to install on your computer.Like any piece of software or product there are always pros and cons and these need to be addressed so you can make an informed decision of whether F.lux is for you or not. This can be done safely whilst using your computer. You can manually set the amount of blue light emitted from your screen by using F.lux. F.lux attempts to match the amount of light emitted from the sun throughout the day. Like all human beings you have evolved under the sun and developed circadian rhythms. F.lux works by changing the amount of blue light that is emitted from your screens throughout the day. F.lux and other applications have been created to help tackle the issue of damaging blue light.į.lux is a piece of software that you can download for your computer or laptop. Harmful blue light can lead to digital eyestrain, computer vision syndrome and disrupt your sleep.Ĭomputer screens emit blue light which can lead to digital eye strain. F.lux is safe to use on your computer but the efficacy of this application at blocking blue light must be examined further.

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