The myopia warning on your iPhone is part of Apple’s Screen Distance feature, introduced in iOS 17 and later. It uses the TrueDepth camera (the same one used for Face ID) to detect when you’re holding the phone closer than about 12 inches from your face for an extended period. When this happens, you’ll see a full-screen message saying “iPhone May Be Too Close” and it will prompt you to move the device farther away. The goal is to reduce eye strain and help lower the risk of developing or worsening myopia (nearsightedness), especially in children who spend a lot of time viewing screens up close. The feature is turned off by default. To enable it, go to Settings > Screen Time > Screen Distance. Once activated, it only triggers after you confirm the setup prompt. If the alerts become annoying, you can easily turn it off in the same settings menu without affecting other Screen Time features. For better eye health overall, take regular breaks, use good lighting, and spend time outdoors.
Too close? iPhone cares more about your future vision than you do.
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