Your eyes may feel tired after staring at the computer for a rather long time. To ease eye strain, you can enable the Blue Light Filter on Windows. But the question is that how to enable Windows 10 Blue Light Filter. In this post of MiniTool, you can find the answer.

What Is Blue Light

If you consecutively use smartphone or laptop especially at night, you may have difficulty in falling asleep. This is because of the blue light emitted by various technical sources such as LED, smartphone, laptop and so on.

What is the blue light exactly? Blue light refers to the visible spectrum that the human eye can see and retrieve. Compared with other lights, blue light has the shortest wavelength from 400 to 495 nanometers.

The wavelength below the range is an ultraviolet spectrum that is invisible to the naked eye. The blue light with the lowest wavelength means that it exerts more energy on the subject, which has a dramatic effect on the photoreceptor cells, resulting in loss of vision/sleep.

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Therefore, using any device that can emit blue light like TV, smartphone will do harm to your vision. You would be glad to know that Microsoft has offered a built-in Blue Light Filter in any Windows 10 build equal to/greater than build #15002 version with the name Blue Light or Night Light (in the latest Windows version).

Here is the guide to enable the Blue Light Filter for PC to reduce eye strain.

Open the Blue Light Filter in Settings

It is very easy to set to use Windows 10 Blue Light Filter which has a cleaner and fewer configuration options. You are able to automatically adjust the color temperature of the screen and set personalized hours.

Before enabling Blue Light Filter for PC, you need to check whether you have installed the Windows 10 Insider Build 15002 version or newer version. If not, please install it quickly.

To enable the Blue Light Filter, follow the steps below.

Step 1: Open the Settings on your Windows 10 computer. Search the Display option and click on it.

Step 2: You can find a toggle below Lower Blue Light automatically. Just turn this toggle on.

Step 3: After enabling Windows 10 Blue Light Filter successfully, click on Blue light settings for further options.

Step 4: The Blue light settings page will tell you that the screen emits Blue Light, while Windows 10 can emit warmer color help you ease eye strain. Here, click the Turn on button to enable it automatically.

Tip: You can also select the Disable option and configure the options manually in other options. You can change the Color temperature at night via the slider and set the hours for lowering blue light.

Adjust Color Temperature/Blue Light with F.lux Utility

The third-party software F.lux can automatically change the screen’s color temperature according to the time. It will calculate the sunset time for the place where you are located currently and change the mode automatically as time progresses.

Alternatively, you are allowed to change the location and the color temperature option in the Settings of F.lux. There are 3 other modes for you, namely “Movie mode”, “Darkroom mode” and “Safe mode”. You can click here to know more details.

If you are seeking methods to enable Blue Light Filter to reduce eye strain, the two given methods worth considering. Don’t hesitate to try them now!

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