Back-to-school season means packed eye care centers—and worried parents asking the same questions: Is my child’s hyperopia reserve (the “built-in” farsightedness that protects against myopia) still healthy? Has their myopia gotten worse? Is their eye axis growing too fast?
After exams, optometrists recommend solutions like glasses, orthokeratology, or low-dose atropine—but the real key to long-term vision health lies in daily habits. Myopia prevention isn’t a one-time fix—it’s about consistent, small actions that add up to big results.
With heavy schoolwork ahead, here’s how to protect your child’s eyes without slowing their progress—straight from our optometrists:

Parents often blame screens for myopia—but the biggest culprits are not enough outdoor time and excessive close-up work. Natural daylight is a myopia-fighting superpower: it boosts dopamine (a chemical that stops eye axis elongation, the main driver of myopia) and reduces eye strain.
The rule? 2 hours of outdoor time daily (14 hours weekly)—sunny, cloudy, or overcast. It doesn’t have to be intense: walk the dog, play catch, or even sit on the porch. Even kids with existing myopia benefit—sunlight slows progression by up to 50%, according to research.
Now that September’s weather is mild, swap indoor screen time for outdoor play. Your child’s eyes (and mood!) will thank you.
Bad posture strains eye muscles and accelerates myopia. Teach your child the “1 - 1 - 1 Rule”—and correct slouching immediately:
- 1 foot (33 cm) between eyes and books (no hunching!)
- 1 fist (10 cm) between chest and desk edge
- 1 inch (3 cm) between fingers and pen tip
Never let them read lying down or in dim light. Use a dual light setup: overhead lighting plus a desk lamp (on the opposite side of their writing hand) to reduce glare. Good posture isn’t just for spine health—it’s non-negotiable for eye health.

The closer an object is, the harder your child’s eyes work. That includes books, puzzles, and screens. Here’s how to cut back:
- No screens for kids under 3; preschoolers use them only for learning (max 30 minutes/day); kids 6+ get 1 hour total daily (swap “watching” stories for “listening” to audiobooks!).
- Choose bigger screens: Tablets or laptops over phones—smaller screens force eyes to squint.
Every 20 minutes of close-up work, look at something 20 feet (6 meters) away for 20 seconds. Gaze out a window or walk to the kitchen—give eyes a break!
If screens are unavoidable, use blue light filters—but remember: less screen time = better eye health.
Sleep and diet directly impact vision:
Preschoolers need 10+ hours/night, middle schoolers 9+, high schoolers 8+. Sleep lets eyes rest and repairs strained muscles.
Feed them eye-healthy foods:
- Vitamin A: Carrots, sweet potatoes (supports retinal health)
- Omega - 3s: Salmon, walnuts (reduces eye inflammation)
- Antioxidants: Blueberries, spinach (protects against UV damage)
Cut sugar, soda, and fried foods—they increase inflammation and worsen eye strain. A balanced plate = happy eyes.
Don’t wait for symptoms—check your child’s eyes every 3–6 months.
Build a “myopia progression record” with:
- Uncorrected/corrected vision
- Dilated refraction results
- Eye axis length (the most accurate marker of myopia)
- Corneal curvature
Use a Snellen chart at home to track changes—but never skip professional exams. If your child squints, tilts their head, or says “things look blurry,” act fast. Early intervention (like defocus lenses or atropine) stops mild myopia from becoming high myopia—a serious condition linked to retinal detachment and glaucoma.

Myopia prevention isn’t about perfection—it’s about consistency. Start with one habit (say, 2 hours of outdoor time) and add others as you go. By prioritizing these simple steps, you’re not just protecting your child’s eyes this school year—you’re setting them up for a lifetime of clear vision.
Your child’s eyes are their window to the world. Invest in them today.