Eye health resource
What You Need to Know About Childhood Myopia
Childhood myopia, or nearsightedness, often progresses while the eye is growing. Learn the signs, why progression matters, how outdoor time fits in, and how myopia correction differs from active myopia management.
Reviewed for accuracy by Justin Bazan, OD on .
Childhood myopia means that distant objects look blurry because the eye focuses light in front of the retina instead of directly on it. In many myopic children, the eye is longer from front to back than its focusing system can compensate for.
Myopia often begins during childhood and can continue to progress while the eye is growing. That is why a child's changing prescription deserves more than a simple assumption that stronger glasses are the only option.
What Are Common Signs of Myopia in Children?
A child with myopia may:
- squint to see the classroom board or distant signs;
- move closer to the television or other distant targets;
- say that far-away objects look blurry;
- have trouble recognizing faces or details at a distance;
- need increasingly stronger distance correction over time; or
- show no obvious symptoms and have the change discovered during an eye exam.
Children do not always know that their vision is different from everyone else's, so the absence of a complaint does not necessarily mean distance vision is normal.
Why Does Myopia Develop?
There is no single cause. Genetics and environment both contribute. Children with one or more myopic parents have a higher risk, but family history does not determine the outcome by itself.
Less outdoor time and patterns of intensive near work are associated with myopia development and progression. Digital devices are one form of near work, but current evidence does not support treating screens as the sole cause of childhood myopia.
Why Does Progression Matter?
As myopia increases, stronger correction is usually needed to see clearly at distance. Higher levels of myopia are also associated with greater lifetime risk of several eye-health problems, including retinal detachment, myopic macular degeneration, glaucoma, and cataract.
Myopia management cannot eliminate those risks, but slowing progression can reduce how myopic a child ultimately becomes.
Correcting Myopia Is Not the Same as Managing Its Progression
Ordinary single-vision glasses and contact lenses can provide excellent clear vision. They are important forms of myopia correction, but they are not designed specifically to slow progression.
Myopia management refers to treatments intended to reduce the rate at which nearsightedness progresses while still giving the child useful vision.
Does Outdoor Time Help?
Regular outdoor time is associated with a lower risk of developing myopia and is a healthy recommendation for children. For a child who is already myopic and progressing, outdoor time remains worthwhile but should not automatically replace an indicated myopia-management treatment.
What Myopia-Management Options Does Park Slope Eye Offer?
Park Slope Eye currently offers several evidence-based approaches depending on the child's prescription, age, eye health, lifestyle, and family preferences:
- Ortho-K: specially designed rigid contact lenses worn overnight to temporarily reshape the corneal surface and provide useful daytime vision while also helping slow myopia progression;
- low-dose atropine: prescription eye drops that may be used off-label to help slow progression in appropriate children; and
- soft multifocal or myopia-control contact lenses: specially designed soft lenses that correct vision while also providing an optical treatment intended to slow progression.
There is no single best treatment for every child. The plan should take into account how quickly the prescription is changing, the child's eye health, age, daily activities, comfort with contact lenses, and what the family can realistically maintain.
How Do You Know Whether Myopia Is Progressing?
Follow-up compares the child's prescription, visual function, eye-health findings, and treatment performance over time. Park Slope Eye does not currently offer axial-length measurement, so we do not imply that eye-length measurements are being collected in our office.
If outside testing would add meaningful information for a particular child, that can be discussed.
When Should a Child Be Evaluated?
A child who is squinting at distance, reporting blur, moving unusually close to distant targets, or showing a changing prescription should have a comprehensive eye examination. Children can also have important vision or eye-health findings before they are old enough to read an eye chart, which is one reason pediatric eye care begins well before school.
Park Slope Eye sees children of all ages, including infants, and participates in InfantSEE for qualifying infant assessments.
Learn more about myopia management and Ortho-K, read our detailed guide to myopia-control options, or book a children's eye exam online.
Originally published . Substantially updated .