Home > Article > Mobile Tutorial > Explore the Screen Spacer feature in iOS 17 and how to enable it
As part of the new health features introduced in iOS 17, Apple provides a screen distance feature to help users prevent eye fatigue and the risk of myopia.
To help people protect their eye health and reduce the risk of myopia in children, Apple has introduced a new feature called Screen Distance, which will use the iPhone's TrueDepth camera (the same camera that also helps with Face ID) to measure the distance between your face and the phone.
If Screen Distance detects that you are holding your iPhone less than 12 inches or 30 centimeters for an extended period of time, it will prompt you to keep your distance from the iPhone screen.
When your device detects that it is less than 12 inches from your face, you will see an "iPhone too close" message on the screen and advises that you should stay distance to protect your vision.
You can turn off this message on the screen only if you place the device further away.
When your iPhone detects that you have repositioned your face away from the device, you should see a Continue button on the screen, tap that button Lets you return to the previous screen.
This feature is suitable for iPhone and iPad devices running iOS 17 and iPadOS 17. The following is how to turn on the screen distance in iOS 17:
Open the "Settings" app on your iPhone or iPad, select "Screen Time", and then tap to turn on "Screen Distance".
After the screen distance function is turned on, once the iPhone or iPad detects that you are holding the device If it is too close, a window will pop up to remind the user to maintain correct usage habits.
If you also have the hobby of using your mobile phone to watch videos every night, then it is highly recommended to turn on this function, which can at least provide some degree of relief to your eyes.
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