Blog - Tonic Eye Care

How Effective Is Myopia Control? What the Research Shows

How Effective Is Myopia Control - Tonic Eye Care

When parents learn their child is short-sighted, the next question is almost always the same: can we slow it down, and does any of it actually work? It’s the right question to ask. Myopia control has moved well beyond guesswork, and there’s now a strong body of research comparing the main treatments. This article looks at what the evidence says about myopia control efficacy, how the leading methods compare, and what it means for choosing care for your child in Toronto.

Why Slowing Myopia Matters, Not Just Correcting It

Glasses and contacts make blurry distance vision clear, but they don’t stop myopia from getting worse. That distinction is the whole point of myopia control.

Myopia progresses because the eyeball grows slightly too long from front to back, a measurement called axial length. The longer the eye becomes, the higher the prescription, and higher myopia carries a greater lifetime risk of eye problems such as retinal issues and glaucoma. So the goal of myopia control isn’t only a lower prescription. It’s a healthier eye for life. You can read the bigger-picture overview in our parent’s guide to myopia in kids.

How Researchers Measure Myopia Control Efficacy

To compare treatments fairly, studies track two things: how much the prescription changes over time, and how much the eye’s axial length grows. Slowing axial growth is the more meaningful measure because it reflects the long-term health risk, not just the lens strength.

The strongest evidence comes from randomized controlled trials and from network meta-analyses, which pool many trials to rank treatments against each other. The numbers below come from that kind of research.

It helps to know what these numbers mean in practice. Slowing progression by half doesn’t stop myopia, but it can leave a child with a meaningfully lower final prescription and a healthier eye over a lifetime. That long-term protection, more than any single year’s result, is the real goal.

What the Evidence Says About Each Method

Here’s where the main treatments stand, based on current research.

Myopia Control Glasses

For many families, specially designed glasses are the easiest place to start. Lenses such as those using defocus technology look like ordinary glasses but are built to keep central vision sharp while gently signalling the edges of the retina to slow the eye’s growth. Studies place their slowing effect in a similar range to soft myopia-control contact lenses, and they suit children who aren’t ready for drops or lenses. They’re a practical, low-fuss option, which is often what gets a hesitant child started on myopia control in the first place.

Soft Myopia Control Contact Lenses

Specially designed daily soft lenses are another well-tolerated option, especially for children who want lens wear during the day. They offer solid, research-supported slowing of progression and are a common choice for active kids. 

Atropine Eye Drops

Low-dose atropine is the most studied medication for myopia control. The effect depends on concentration: higher strengths slow progression more, but cause more side effects such as light sensitivity and trouble focusing up close. Research points to 0.05% atropine as among the most effective single low-dose concentrations over a year, while 0.01% offers gentler, sustained control with very few side effects. A network meta-analysis of atropine and ortho-k studies supports this dose-related pattern.

Orthokeratology (Ortho-K)

Ortho-k uses custom rigid lenses worn overnight that gently reshape the cornea, so the child sees clearly during the day without glasses. 

Combining Atropine With Ortho-K

Pairing low-dose atropine with ortho-k appears to work better than either alone. In one 2025 study, adding 0.01%, 0.025%, and 0.05% atropine to ortho-k reduced annual axial growth by about 28%, 31%, and 39%, respectively. Atropine can also be effective when paired with glasses or soft contact lenses.

A Note on Repeated Low-Level Red-Light Therapy

You may come across repeated low-level red-light therapy, a newer approach that has ranked highly in some recent network meta-analyses for slowing axial growth. We mention it because parents researching myopia control will find it, but it comes with important caveats. It is a recent treatment with limited long-term data, and researchers have raised safety questions, including findings that some red-light devices can exceed safe retinal exposure limits. For those reasons, it is not a mainstream first-line treatment, and we do not currently offer it at Tonic Eye Care.

Myopia Control Methods Compared

MethodHow it worksWhat research suggests
Myopia-control glassesDefocus-technology spectacle lensesResearch-supported slowing; easiest starting option for many kids
Soft myopia-control lensesDaytime specialty soft lensesWell-tolerated, research-supported slowing
Atropine eye dropsNightly low-dose eye dropSustained control; minimal side effects
Ortho-KOvernight lenses reshape the corneaClear daytime vision
Red-light therapyBrief daily light treatmentStrong results in recent analyses, but newer, with unresolved safety questions; not offered at Tonic

Figures reflect published research and vary by study. Individual results differ, so no specific outcome is guaranteed.

So Which Myopia Treatment Is Best?

There isn’t a single best treatment for every child, and the research backs that up. The most effective choice depends on your child’s age, how fast their myopia is progressing, their daily routine, and how comfortable they are with drops or lenses.

For example, an active child who dislikes glasses may do well with ortho-k or daytime soft lenses, while a younger child with fast progression might benefit from atropine or a combination approach. The right plan comes from an exam and an honest conversation, not a one-size-fits-all answer. Our myopia control service walks through these options, and care always starts with a thorough children’s eye exam.

Why Early and Local Care Helps

Myopia tends to progress fastest in younger children, so starting control earlier usually protects more vision over time. Toronto’s screen-heavy, indoor lifestyle adds pressure too, since less outdoor time is linked to faster progression.

That’s why ongoing monitoring matters as much as the treatment itself. Measuring axial length and prescription over time tells us whether a plan is working and when to adjust it. Families across Midtown Toronto come to Tonic Eye Care for that kind of consistent, specialist follow-up.

Frequently Asked Questions

Which myopia control method is most effective?

Research suggests several methods work well, and combination approaches have ranked highly in recent analyses. There’s no single best option for every child, because effectiveness depends on age, progression rate, and lifestyle.

Does atropine really slow myopia in children?

Yes, low-dose atropine is well supported by research for slowing myopia progression. Higher concentrations like 0.05% tend to work more strongly, while 0.01% offers gentler control with very few side effects, which is why the low doses are popular starting points.

At what age should myopia control start?

Myopia control can begin as soon as progressing myopia is diagnosed, and earlier treatment generally protects more vision because myopia advances fastest in younger children. A comprehensive eye exam determines whether and when to start.

Is myopia control covered by OHIP?

Children’s eye exams are covered by OHIP in Ontario for those aged 19 and under, though specific myopia-control treatments and specialty lenses are generally not covered by OHIP, but may be covered by private benefits insurance plans. Our team can explain the costs and check your insurance coverage during a consultation.

Giving Your Child the Best Chance

The research is encouraging: myopia control works, and we have more effective, better-studied options than ever. The key is starting early, choosing a plan that fits your child, and monitoring it closely. If you’d like to learn which approach could suit your child, book an eye examination with one of our optometrists at Tonic Eye Care, or call (416) 551-2204.

Dr. Kelly Lee, OD, FAAO, FOVDRA, is the owner of Tonic Eye Care in midtown Toronto. Paediatric and vision therapy specialist; adjunct faculty at the University of Waterloo. Book an Appointment.

Leave a Reply

Your email address will not be published. Required fields are marked *

On Key

Related Posts