That's why F.lux is a great application to have installed if you spend long hours behind a screen. However, blocking out all blue light is not good for your eyes either. Cataract surgery can lessen your defenses against blue light. And if you've ever had cataract surgery, then blocking out blue light is even more important. Blue light also contributes to eye strain as the wavelengths are harder to focus. The over-exposure to this, which results from staring at a screen for long periods of time, can damage light-sensitive cells within your retina.īlue light is capable of causing macular degeneration, which is a leading cause of vision loss in the older generation. You don't have to suffer the harmful effects of blue light again, thanks to F.lux's screen temperature adaptation system.īlue light wavelengths contain more energy than other colors, and unlike UV rays, your eyes can't easily block out these wavelengths.
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