When parents first hear that Ortho-K means their child sleeps in contact lenses, the natural reaction is concern. It’s a fair question — so let’s address it honestly. Ortho-K has a long track record in children, and when it’s properly fitted and cared for, it’s considered a safe option for myopia control.
A quick refresher on Ortho-K
Orthokeratology uses rigid lenses worn overnight to gently and temporarily reshape the cornea, giving clear vision during the day without glasses or lenses. For the full explanation, see what is Ortho-K? It’s also one of the leading tools for slowing myopia, covered on our myopia control page.
So is it safe?
Ortho-K has been used for years and is well studied in children. The main serious risk with any contact lens worn against the eye is infection (microbial keratitis), and that risk is low when hygiene and follow-up instructions are followed. Importantly, studies have found children can handle Ortho-K lenses responsibly with parental supervision, and the safety profile is comparable to other lens options when managed properly.
Understanding and minimizing the risk
The single biggest factor in safety is hygiene. The risk of infection is minimized by:
- Cleaning and disinfecting lenses exactly as instructed, every day.
- Never rinsing or storing lenses in tap water.
- Washing hands before handling lenses.
- Replacing the lens case regularly.
- Keeping all scheduled follow-up visits so the fit and eye health are monitored.
With a parent supervising the nightly routine, most families find it straightforward.
Is Ortho-K reversible?
Yes. The corneal reshaping is temporary. If your child stops wearing the lenses, the cornea gradually returns to its original shape over days to weeks — nothing about it is permanent.
What age can children start?
Ortho-K can be appropriate for school-aged children; the right time depends on the child’s prescription, eye health, and ability to follow the routine with help. See will my child outgrow nearsightedness? and the age limit for myopia control for more on timing.
The upside for active kids
Because vision is corrected overnight, children enjoy lens-free, glasses-free days — a real advantage for sports, swimming, and everyday play. Compared with daytime lenses, that freedom is a big part of Ortho-K’s appeal; see MiSight vs. Ortho-K.
How we keep it safe
Safe Ortho-K starts with a precise fitting, thorough handling and hygiene training for your family, and consistent follow-up. That careful process is exactly what makes overnight wear appropriate for children.
Curious whether Ortho-K is right and safe for your child?
Dr. Shira Kresch offers children’s myopia control at Michigan Contact Lens in Southfield, serving families across Metro Detroit. Your child’s initial consultation is complimentary.




