iPhone's New 'Screen Distance' Feature in iOS 17 Helps Prevent Eye Strain
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iPhone's new Screen Distance feature in iOS 17 measures distance between your eyes and the screen to prevent eye strain.
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Screen Distance pops up a warning if you hold your iPhone closer than 12 inches from your face for around 5 minutes.
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The feature helps build the habit of using your iPhone at a healthier distance to reduce eye strain and myopia risk.
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Screen Distance uses the front-facing camera but doesn't capture images/video or share data with Apple.
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You can turn on Screen Distance in Settings > Screen Time and it works automatically once enabled.