Comparison
Ortho-K or LASIK: Which Is Right for You?
These get compared constantly and they are genuinely different propositions rather than two versions of the same thing.
Ortho-K uses a rigid lens worn only while you sleep, which gently reshapes the front surface of the cornea. You remove it in the morning and see clearly all day. Stop wearing the lenses and your cornea returns to its original shape within days.
LASIK removes corneal tissue with a laser to change its shape permanently. It is done once, and it cannot be undone.
Side by side
| Factor | Orthokeratology (Ortho-K) | LASIK |
|---|---|---|
| Permanence | Temporary and fully reversible | Permanent and irreversible |
| Surgery involved | None | Yes, corneal surgery |
| Minimum age | Suitable for children, commonly from age six or seven | Eighteen minimum, and in practice usually mid-twenties |
| Needs a stable prescription | No, parameters are adjusted as the prescription changes | Yes, stable for at least a year and ideally two |
| Slows myopia progression in children | Yes, this is a primary reason parents choose it | No |
| Ongoing routine | Lenses worn every night, replaced roughly annually | None after healing |
| Prescription range | Best up to about minus six with mild to moderate astigmatism | Wider range, including higher prescriptions |
| Time to full effect | One to two weeks for vision to stabilise | Most see well within a day |
| Main risk | Contact lens related infection, managed with fitting and hygiene | Surgical risks, dry eye, night glare, occasional need for enhancement |
| If you change your mind | Stop wearing them and your eyes return to baseline | Not reversible |
| Cost pattern | Lower up front, ongoing lens replacement and reviews | Higher one-time cost, then nothing |
Choose Orthokeratology (Ortho-K) if
- You are under eighteen, or your child is
- Your prescription is still changing
- You want myopia progression slowed as well as corrected
- You are not a LASIK candidate because of corneal thickness or shape
- You have dry eye that would be worsened by surgery
- You swim, or work in dusty conditions where daytime lenses fail
- You would simply prefer not to have irreversible surgery on your eyes
Choose LASIK if
- You are over about twenty-five with a stable prescription
- You want a one-time solution with no nightly routine
- Your prescription is beyond the practical Ortho-K range
- You have adequate corneal thickness and a regular corneal shape
- You have no significant dry eye
- You do not want to handle lenses at all
How the costs actually compare over time
The cost comparison is frequently presented misleadingly, because the two have completely different shapes.
LASIK is a large one-time cost with essentially nothing afterward, aside from the possibility of an enhancement procedure years later and the ongoing need for reading glasses once presbyopia arrives. Ortho-K is a lower initial cost for the fitting and first lenses, followed by an ongoing cost: lens replacement typically annually, care solutions, and periodic reviews.
Over a long enough horizon LASIK is usually cheaper in pure cash terms for an adult who is a good candidate. That calculation changes completely for a child, where LASIK is not an option at all, and where Ortho-K is additionally buying myopia control that would otherwise be a separate treatment cost.
We would not make this decision on cost. Both are significant expenditures and the deciding factors should be candidacy, age, prescription stability and how you feel about permanence.
The candidacy question that decides it for many people
For a substantial number of people the choice is made for them, because they are not LASIK candidates. That is worth establishing early rather than after you have set your heart on it.
The most important screen is corneal topography looking for early keratoconus or corneal thinning. Laser surgery on a cornea with undetected early ectasia can trigger progressive corneal weakening that is very difficult to manage. Inadequate corneal thickness for the amount of correction needed rules people out too, as does significant untreated dry eye and a prescription that is still changing.
Ortho-K has its own limits, primarily prescription range and corneal shape, but it accommodates several groups that laser surgery cannot: anyone under eighteen, anyone whose prescription is still moving, and anyone whose corneal thickness rules out tissue removal.
We evaluate for both, and because we do not perform LASIK, our candidacy opinion has no financial interest attached to the answer.
Our verdict
For anyone under eighteen, Ortho-K, and it is not a close call. LASIK is not appropriate for a still-changing prescription, and Ortho-K additionally slows the progression driving that change.
For adults, it comes down to temperament and eligibility. If your corneas are suitable, you want a one-time fix and are comfortable with permanence, LASIK is excellent. If you would rather keep the option to change your mind, or you are not a surgical candidate, Ortho-K delivers the same daily experience reversibly.
We evaluate for both, and we do not perform LASIK, which means our candidacy opinion has no financial interest attached to it.
If you are genuinely undecided and eligible for both, there is a low-risk sequence worth considering: try Ortho-K first. It is reversible, so nothing is foreclosed. If you love waking up and seeing, you have your answer without surgery. If you find the nightly routine tiresome, you have learned something useful about yourself and LASIK remains available, subject to a period out of the lenses so your cornea returns to its natural shape for accurate surgical measurements.
This comparison is general educational information, not medical advice. The right choice for you depends on an examination of your eyes.
Frequently asked questions
Is Ortho-K as effective as LASIK?
For suitable prescriptions, the daily experience is very similar: clear vision without correction all day. LASIK handles a wider prescription range. Within the range where both work, patients report comparable satisfaction.
Can I try Ortho-K first and have LASIK later?
Yes, and it is a reasonable strategy. Ortho-K is reversible, so you can use it for years and still have surgery later. You would need to stop wearing the lenses for a period beforehand so the cornea returns to its natural shape for accurate surgical measurements.
Which is safer?
Both have good safety records. Ortho-K's main risk is contact lens related infection, managed with correct fitting and hygiene. LASIK carries surgical risks that are uncommon but permanent when they occur. The key difference is that Ortho-K problems are generally reversible.
Do either of them stop me needing reading glasses later?
No. Presbyopia is the lens inside your eye stiffening with age, and neither corneal reshaping nor surgery affects it. If you are over forty this is an important part of the conversation.
Book an appointment with a doctor who has time for you
We schedule 2 patients an hour, so your exam is unhurried and your questions get answered. Most patients are seen within a few days.