iOS 17 has a new eye strain reduction feature — here’s how it works

Trying to make sure your kids aren’t holding their phones dangerously close to their eyes for too long? Apple is introducing a new feature with iOS 17 and iPadOS 17 to help with that. It’s called Screen Distance, and Apple says the opt-in feature aims to alleviate eye strain and reduce the risk of nearsightedness in children who frequently use Apple devices.

It’s easy to get wrapped up in what you’re doing on your phone and hold it entirely too close to your face for entirely too long — and that goes for both kids and adults. Screen Distance uses your Apple device’s TrueDepth Camera, the same one that powers Face ID to unlock your phone at a glance, to detect the distance between the screen and your eyes and let you know when it’s time to give your handheld some space. (Pro tip: Throwing on a pair of the best blue light blocking glasses can also help protect your eyes if staring at a screen for hours is part of your day to a day.)

A distance of 16-18 inches (40-45 cm) between your phone and your eyes is generally considered optimal for keeping them healthy and avoiding eye strain. That’s roughly arm’s length for the majority of people. Once enabled, Screen Distance sends a notification warning “iPhone/iPad is Too Close” if you hold your phone less than 12 inches (30 cm) away from your eyes for several minutes. 

After you move your iPhone or iPad to a safe distance, a checkmark will appear on the screen, and you can tap the “Continue” button to proceed and continue scrolling away. Alongside the warning, Screen Distance will display a reminder stating “Keeping your phone at arm’s length can protect your eyesight.”