If you’ve noticed more kids in your child’s third-grade class wearing glasses than when we were kids, you aren’t imagining it. We are currently living through what researchers call the "Myopia Boom." By 2050, it’s estimated that half the world’s population will be nearsighted.

While genetics play a role, the way our kids interact with the world has changed fundamentally. We’ve traded "looking at the horizon" for "looking at a Nintendo Switch" or scrolling through TikTok six inches from our noses.

When a child’s eye is still developing, it’s incredibly plastic. If the eye spends all day focusing on things up close, it actually physically elongates to make that close-up focusing easier. The problem? Once the eye grows too long, it can’t see things far away, and it doesn’t "shrink" back. This isn't just about needing glasses; high myopia can lead to serious eye issues later in life.

Digital eye strain (or Computer Vision Syndrome) isn't a permanent disease, but it’s the reason your kid is cranky, rubbing their eyes, and complaining of headaches after a three-hour session of Fortnite.

When we stare at screens, we stop blinking. Normally, humans blink about 15–20 times a minute. When we’re locked into a high-stakes game or an intense YouTube video from MrBeast, that blink rate drops by 50% or more. This dries out the eyes, causes blurriness, and makes everything feel "gritty."

Learn more about the physical effects of gaming marathons

Marketing teams have done a great job convincing us that "blue light" is the digital boogeyman. They want you to buy the $50 yellow-tinted glasses for your kindergartner.

Here’s the no-BS take: The amount of blue light coming off a tablet or phone is a tiny fraction of what we get from the sun. While blue light can mess with your kid’s sleep (by suppressing melatonin), there is very little evidence that it’s what's actually damaging their vision or causing eye strain.

The real culprit is Near-Work. The closer the object, the harder the eye muscles have to work. Handheld devices like an iPad running Toca Life World are much more "strenuous" for the eyes than a TV across the room or a movie in a theater.

We don't need to ban screens, but we do need to change the geometry of how our kids use them.

This is the gold standard of digital wellness. Every 20 minutes, have your child look at something at least 20 feet away for at least 20 seconds. This "resets" the focusing muscles in the eye and encourages a full blink.

A good rule of thumb (literally) is that screens should be at least one "elbow-to-fist" distance away from the face. If your kid is hunched over their phone like they’re trying to climb inside it, their eyes are working overtime.

Research shows that spending time outdoors in natural light is one of the most effective ways to prevent myopia. It’s not just about the "break" from screens; the brightness of the sun triggers dopamine release in the retina, which helps the eye maintain its proper shape. Aim for 10–14 hours of outdoor time per week.

Check out our guide on outdoor activities that compete with screen time

Not all screen time is created equal when it comes to eye health. If you have a choice, steer your kids toward "lean-back" media rather than "lean-in" media.

Ages 2-7 Because Bluey is usually watched on a TV from a distance, it’s much better for eye development than a handheld game. Plus, the pacing is gentle, which means less "zombie stare" and more natural blinking.

Ages 6-12 Websites that involve reading and looking at high-quality photography are great, but encourage your child to use them on a desktop monitor or a laptop on a desk rather than a phone. National Geographic Kids offers great content that works well on larger screens.

Ages 8+ This is a rare "app" that actually encourages looking away from the screen. Since the person holding the phone can't see it, and everyone else is looking at the person, it breaks that intense, close-up focal lock.

Ages 5-12 The ultimate eye-health hack is to remove the visual element entirely. Brains On! is incredibly engaging and gives those eye muscles a total rest while still keeping the "brain rot" at bay.

See more great podcasts for kids

Kids are notoriously bad at reporting vision problems. They don’t know that the world isn't supposed to be blurry. Watch for these red flags:

The American Academy of Pediatrics still recommends minimal to no screen time (except video chatting). At this age, the eyes are developing at a lightning pace. If they are using screens, keep it to a large TV at a distance, not a phone in the stroller.

This is the "handheld trap" age. Kids love tablets because they are tactile. Try to transition them to a console like the Nintendo Switch connected to a TV with a controller. It forces distance.

This is when the Roblox and YouTube obsession peaks. This is the time to teach them the 20-20-20 rule as a "pro gamer move" to keep their reaction times fast (which is true—strained eyes are slow eyes).

Teens are on their phones constantly. Focus on "Night Mode" settings to help with sleep and encourage them to use a laptop for homework rather than doing everything on a mobile device.

Ask our chatbot about the best monitors for student eye health

You don't need to be the "Screen Police" to protect your child's eyes. You just need to be the "Distance and Sunlight Advocate."

If you can get them to push the screen back a few inches, take a 20-second break every time they finish a round of Among Us, and spend some time playing outside after school, you’re doing better than 90% of parents.

Forget the fancy glasses—just open the curtains and tell them to look at a tree once in a while.

Learn more about setting up iPhone's Screen Distance feature