This Hidden iPhone Feature Protects Your Eyes From Strain

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With iOS 17, Apple introduced a lesser-known feature called Screen Distance. Since viewing a screen too closely can increase eyestrain (and increase the risk of short-sightedness or myopia), the Screen Distance feature reminds users to move their phone away from their eyes.

If an iPhone is part of a Family Sharing Group, Screen Distance is enabled by default for children under 13. However, for adults who have an individual Apple account, the feature isn’t enabled out of the box, which is why we’ve compiled this article.

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What Does The Screen Distance Feature Do?

Using the TrueDepth Camera system on an iPhone, Screen Distance detects when you’re holding your iPhone too close to your eyes, i.e., less than 30 cm away, for an extended period, and reminds you to move it further away. Moreover, the feature helps reduce eye strain in people of all ages. It is available on devices with a TrueDepth camera system or Face ID.

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How To Enable Screen Distance On Your iPhone?

How To Enable Screen Distance On Your iPhone?
  • Open the Settings app.
  • Scroll down and select Screen Time.
  • Under the Limit Usage menu, select Screen Distance.
  • Enable the feature on the next screen.

Once you enable the feature, you’ll see an alert on your iPhone’s screen every time you hold it closer for an extended duration. Once you see the alert, either move your iPhone away from your eyes or tap continue.

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Shikhar MehrotraShikhar Mehrotra
Shikhar Mehrotra is a seasoned technology writer and reviewer with over five years of experience covering consumer tech across India and global markets. At Smartprix, he has authored more than 1,700 articles, including news stories, features, comparisons, and product reviews spanning automobiles, smartphones, chipsets, wearables, laptops, home appliances, and operating systems. Shikhar has reviewed flagship devices such as the iPhone 16, Galaxy S25+, and Sennheiser HD 505 Open-Ear headphones. He also contributes regularly to Smartprix’s growing automotive section.

With a deep understanding of both iOS and Android ecosystems, Shikhar specializes in daily tech news, how-to explainers, product comparisons, and in-depth reviews. His DSLR photography in product reviews is recognized as among the best on the team.

Before joining Smartprix, Shikhar wrote for leading publications including Forbes Advisor India, Republic World, and ScreenRant. He holds a Bachelor of Arts in Journalism and Mass Communication from Amity University, Lucknow.

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