Ortho-K Myopia Control Therapy
Are you looking for Myopia Control for your child ? Ortho-K Myopia Control Therapy is your answer. We at Malaya Optical are an Ortho-K Centre for the practice of Myopia Control in the form of Ortho-K treatment.
It might sound far-fetched, but it’s a reality for many people. It’s called Orthokeratology, or ortho-k.
Here are the top 9 things you should know about Ortho-K Myopia Control Therapy:
1. What Is Ortho-k?
Ortho-K Myopia Control Therapy is the fitting of specially designed gas permeable contact lenses that you wear overnight. While you are asleep, the lenses gently reshape the front surface of your eye (cornea) so you can see clearly the following day after you remove the lenses when you wake up. Therefore, you don’t have to eye glasses or contact lenses during your waking hours !
Ortho-k lenses are prescribed for two purposes:
- To correct refractive errors (primarily nearsightedness, but also astigmatism and hyperopia).
- To slow the progression of childhood myopia.
Ortho-k lenses are also called “corneal reshaping contact lenses” or “overnight contact lenses to correct or control myopia.” Only highly “breathable” GP lenses that have been FDA approved for overnight wear should be used for Orthokeratology.
2. How Long Does the Ortho-k Effect Last?
With Ortho-K Myopia Control Therapy you should able to see acceptably well without glasses or contact lenses for a day or two, sometimes longer. For best results, you should wear the ortho-k lenses every night.
3. Which Vision Problems Can Ortho-k Correct?
Ortho-K Myopia Control Therapy is most frequently used to temporarily correct myopia (nearsightedness). Generally, ortho-k can correct upwards of -6.00 diopters (D) of myopia.
Ortho-k also can correct lesser degrees of astigmatism, hyperopia and presbyopia.
The type and amount of refractive error that can be effectively managed with orthokeratology differ on a case-by-case basis. Your eye doctor will be able to give you more specific guidance after examining your eyes.
4. Who Is a Good Candidate for Orthokeratology?
Most people with mild to moderate myopia (with or without mild astigmatism) are good candidates for ortho-k. Because the corneal reshaping effect is temporary, little risk is involved, and you can discontinue wearing the lenses at any time — provided you are willing to start wearing glasses or contacts again when your myopia returns!
Children and young adults who want to be glasses-free but are too young for LASIK or are not good candidates for refractive surgery for other reasons (dry eyes, for example) often are good candidates for ortho-k. People who participate in contact sports or work in dusty environments that can pose problems for contact lens wear also can be good candidates.
5. Who Fits Ortho-k Lenses?
Optometrists perform most Ortho-K Myopia Control Therapy fitting. It is important to know that orthokeratology is a very specialized type of contact lens fitting, and not all Optometrist who fit contact lenses also fit ortho-k lenses. If orthokeratology interests you, seek the services of an Optometrist who specializes in fitting these lenses at Malaya Optical.
6. What Results Can You Expect From Ortho-k?
Eye care practitioners usually aim for 6/6 vision after ortho-k, but 6/9 vision (the legal minimum for driving in Malaysia) often is considered an acceptable outcome.
7. What to Expect When You Begin Ortho-k
The Optometrist will begin by measuring the curvatures of your corneas using an instrument called a corneal topographer — a painless procedure that takes about a minute and produces a topographical map of your eye’s surface.
Our Optometrist will also perform a diagnostic trial fitting in-office inventory of Ortho-K. Then the our Optometrist will order a custom ortho-k lenses for fitting at a later date.
You may need a series of temporary lenses to see properly until you reach the desired prescription. In most cases, up to three pairs of lenses are required to achieve the maximum vision correction effect.
When you begin to wear Ortho-K Myopia Control Therapy lenses, you will likely have some awareness of the lenses on your eyes until you fall asleep. With time, the lenses typically become more comfortable immediately upon insertion.
8. How Long Does it Take for Maximum Ortho-k Effect?
This depends on many factors, especially the amount of nearsightedness or myopia (and possibly astigmatism) you have when you begin the ortho-k process.
Some people can have excellent vision after a day or two of overnight ortho-k. But for higher prescriptions it can take two weeks or longer for maximum correction.
Until your eyes are fully corrected, you might notice blurred vision and glare and halos around lights. In some cases, you may need to wear glasses (with a lesser prescription than you originally had) during the ortho-k process. Also, in some cases, mild glare and halos might persist even after maximum ortho-k correction.
9. How Much Does Ortho-k Cost?
Fitting Ortho-K Myopia Control Therapy lenses is a more time-consuming process and requires more expertise than fitting regular contact lenses. It requires a series of office visits and potentially multiple sets of lenses.
The cost of ortho-k, including follow-up care associated with fitting the lenses, can vary significantly depending on the type and degree of your refractive error and whether you are choosing ortho-k lenses for long-term myopia control in addition to the temporary correction of existing myopia.
Do drop by at Malaya Optical for us to give you the detail pricing. It would cost around RM5000/pair.
Q&A: Can I Have LASIK After Ortho-k?
Yes, it’s possible to have LASIK after ortho-k if you later desire vision surgery to permanently correct your eyesight.
Unlike LASIK, ortho-k is reversible. If you try reshaping lenses and later decide you want laser eye surgery instead, you can do that.
But you will have to discontinue wearing the lenses and wait a period of time before surgery (possibly several months) to allow your corneas to fully revert to their pre-orthokeratology shape.
Finally, keep in mind that, as with all contact lenses, there are some possible side effects and complications of wearing ortho-k lenses.