We spend the day looking at the computer screen while working, at the smartphone screen to spend time in between, and at the tablet screen in the evenings. It’s good, but because of the artificial blue light we are exposed to on these screens, our brain cannot understand whether it is day or night and cannot secrete the hormones it needs to secrete. Moreover, our eyes get quite tired due to this disturbing blue light.
This is where the blue light filter comes into play. The blue light filter is a display technology that is built into many devices or that you can use with a third-party application. Basically its purpose is to yellow the screen a bit and make the blue light more natural. Let’s take a closer look at the questions like what is the blue light filter and how to use it and see the details you need to know.
What is blue light, what are its harms?
Artificial light reflected from the screens of the digital devices we use is called blue light. This is the type of light reflected from all the screens you see. In addition to digital displays, the lights of lamps that provide strong illumination such as fluorescent are also considered blue light.
As we have explained in detail in our article here, blue light has different rates of damage to every part of our body, especially the eyes. It is best to stay away from screens that emit blue light, but since it is not possible to do this in today’s world, it is recommended to use a blue light filter to reduce the negative effects of this light.
What is a blue light filter?
Blue light filter; It is a screen technology that reduces the negative effects of blue light, which is reflected from digital screens and disturbs the user. Many devices today have their own blue light filter built in. If the device you are using does not have such a feature, you can use it by downloading one of the third-party blue light filter applications from the application stores.
How does the blue light filter work?
The light we are exposed to on our Earth illuminated by the Sun has an orange and soft color. Blue light, on the other hand, is not at all what we are used to. The blue light filter emits a certain amount of orange light to make artificial blue light look more natural and soft. Thus, it aims to break artificial blue and reduce its negative effects.
Although blue light filters generally emit orange light, some apps offer numerous color options. It is possible to adjust the power of the filter light along with the color options. Since each user’s intensity of exposure to artificial blue light is different, you can customize the filter options that best suit your eyes.
How to use the blue light filter?
- Windows blue light filter
- MacOS blue light filter
- iOS blue light filter
- Android blue light filter
How to use windows blue light filter?
- Step #1: Open the Windows Settings page.
- Step #2: Open the System tab.
- Step #3: Click on Monitor.
- Step #4: Open the Night Light page.
- Step #5: Click the Open Now button.
- Step #6: Adjust the filter density.
- Step #7: You can set a timer for the blue light filter if you wish.
- Step #8: You’re done.
To activate the blue light filter on your computer with Windows operating system, simply follow the steps above. Windows calls this feature nightlight. You can set the night light to activate at certain times. By regulating the strength of the orange light emitted by the filter, you can capture the light that least tires your eyes.
How to use macOS blue light filter?
- Step #1: Open the System Preferences page.
- Step #2: Open the Displays page.
- Step #3: Click the Night Shift tab.
- Step #4: Activate the feature.
- Step #5: Adjust the filter density.
- Step #6: You can set a timer for the blue light filter if you wish.
- Step #7: You’re done.
To activate the blue light filter on your MacOS operating system, simply follow the steps above. MacOS calls this feature Night Shift. You can set the Night Shift feature to activate at certain times. By regulating the strength of the orange light emitted by the filter, you can capture the light that least tires your eyes.
How to use iOS blue light filter?
- Step #1: Open Control Center.
- Step #2: Tap and hold the brightness control icon.
- Step #3: Activate the blue light filter by tapping the Night Shift button.
- Step #4: You can disable the blue light filter by tapping the same Night Shift button.
- To automate the Night Shift feature;
- Step #5: Open the settings page.
- Step #6: Open the Display & Brightness page.
- Step #7: Tap on Night Shift.
- Step #8: Set the time when the Night Shift feature will be activated.
- Step #9: You’re done.
You can follow the steps above to activate the blue light filter on iPhones and iPads with iOS operating system. Since mobile device screens are smaller and we take a closer look at these screens, the negative effects of the blue light they emit are thought to be even more intense than the computer screen. For this reason, do not forget to activate the Night Shift feature, especially in the evening.
How to use Android blue light filter?
- Step #1: Download the Blue Light Filter mobile app from the link here.
- Step #2: Open the app and activate the filter.
- Step #3: Determine the color of the filter light.
- Step #4: Adjust the filter density.
- Step #5: You can set a timer for the blue light filter if you wish.
- Step #6: You’re done.
If your smartphones and tablets with Android operating system do not have a built-in blue light filter, you can use the Blue Light Filter mobile application. However, most of the new models come with this feature built-in. You can activate this feature and set a timer from the Display settings, which you can access via the Settings page. Application steps may vary depending on the brand and model interface.
We explained how to use this feature in different operating systems by answering questions such as what is the blue light filter that reduces the negative effects of artificial blue light we are exposed to on digital screens, and how to use it. Even if you use a blue light filter, it is recommended to reduce the time you spend in front of the screen.
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