Eye Braces Clinic

Eyecare services

Orthokeratology (ORTHO-K)

Orthokeratology (Ortho-K or OK lens), also known as Eye Braces, is a non-surgical procedure using specially designed and fitted contact lens worn overnight to gently shape the cornea so you can achieve 6/6 vision during the day.


Ortho K myopia control contact lenses

The cornea focuses light onto the retina and is responsible for most of the eye’s ability to focus. Using a corneal topographer, we will map and measure the surface and shape of your cornea by reflecting light off the surface of the eye. This is a contactless and painless process.

Using a cutting-edge lens design technology, we will then customise a pair of perfect-fit Ortho-K lens. The lenses work by flattening the center of the cornea, altering the way light is bent as it enters the eye. They are worn overnight for vision correction and removed during the day.


Ortho-K is widely used in controlling or slowing myopic progression in children. As vision continues to change throughout childhood into adulthood, correction surgeries such as Lasik are not recommended until one’s vision is stable. Hence, Ortho-K is a surgery-free alternative to achieving good vision.

Those with an active lifestyle may find it a hassle to wear glasses or uncomfortable to wear soft lenses throughout the day. Ortho-K eliminates the need for glasses or lenses in the day, enabling optical freedom for any activity.

Ortho K allows you to have good vision with freedom from wearing spectacles or contact lenses for most of the day. It is also a non-surgical and painless procedure which is reversible and modifiable. For children, Ortho K helps to slow down myopia progression.

With proper eyecare, hygiene and optometrist guidance, the risks of Ortho-K are very minimal. The treatment can also be discontinued at any time should any concerns arise.

Yes. As myopia develops, the length of the eye also elongates. This increases the risk of eye related problems later on. Ortho-K acts like a brake and retards myopia progression. There is sufficient evidence in the literature that concludes that Ortho-K indeed retards the progression of myopia significantly and can be more efficient than other treatment methods available.

This therapy is effective on nearsighted (myopic), astigmatic and farsighted patients. If you have been unable to wear contact lenses for any reason (discomfort, allergies, inconvenience, dryness, etc.), you are also a great candidate because this lens is so easy to use and is worn while you sleep. This greatly reduces any discomfort you may have experienced while using conventional contact lenses. You are also a great candidate if you need excellent vision without the use of contacts or glasses. Orthokeratology benefits pilots, police officers, military personnel and those with safety concerns such as, professional athletes, parents of small children, lifeguards and many others. Your child is a candidate if they have a tendency to lose or abuse their soft contact lenses or glasses, or if wearing them interferes with their active life. Finally, if you just don’t want to be bothered with wearing glasses or contact lenses during a variety of activities such as hiking, playing sports, swimming, skiing, camping, off-road driving, biking, snorkelling, scuba and more, Ortho-K is for you.

During the consultation, we will discuss in detail the lifestyle, comfort, vision, safety and more to set the expectations of the patient to ensure we can achieve the desirable results. There are some contradictions such as Keratoconus. However, if there are underlying conditions that may prevent us from achieving the best result, we will treat the condition prior to the Ortho-K treatment.

Presbyopia can be corrected with monovision therapy. This involves correcting one eye for great distance vision and the other eye for near vision. Your brain automatically chooses the appropriate eye for the task. Another alternative is to have both eyes corrected for distance vision and wear reading glasses whenever you want to do near work.

Dry eyes are usually not a problem while you sleep as there is little tear evaporation in a closed eye, and Ortho-K lenses are only worn while you sleep. If your dry eyes are a problem while you sleep, supplementing your natural tears is a simple option. Orthokeratology provides a dry-eyed person with excellent vision with no compromise to their eye health or comfort. If you have dry eye disease due to severe arthritis or a collagen-vascular disease, you may not be a candidate. However, a comprehensive exam will give us a better idea of your chances for success.

Whether you are a good candidate depends on other factors such as the health of your eyes, your age, your pupil size and your expectations. High astigmatism is normally more complex in the design and fit. This is because conventional molds will not sit well with perfect centration on the cornea. When we custom design a mold for your cornea, we will be able to achieve perfect centration on the cornea however, we would like take a step further and reduce almost all of your cornea astigmatism. We have had fantastic results from our patients with high astigmatism but as mentioned, it will depend on the individual case and a consultation will allow us to give you a more accurate gauge on what to expect.

Definitely! These therapeutic molds are worn at night while you sleep. This greatly reduces any discomfort you may have experienced while wearing contact lenses during the day.

We can fit children as young as six. There is no upper limit on age.

Yes, it is possible to have LASIK surgery after orthokeratology. As Ortho-K lenses reshape your cornea, you are required to stop wearing lenses for a month so your eyes can return to their original shape and stabilise. Be sure to tell your LASIK surgeon that you have worn Ortho-K lenses, so they can advise you how long you should wait before having the surgery.

You must be prepared for 4-6 visits over a 3-6 month period depending on the complexity of the case. Continued lens wear is essential or the cornea will revert to its original shape. The degree of success to achieve 20/20 vision is high but cannot always be guaranteed, especially for complex cases. You must follow instructions implicitly for the best results.

Most would experience a significant improvement in their vision within 2 weeks upon starting the treatment. However, there may be cases who require a longer duration to reach the optimal results.

No. Ortho-K molds are not normal contact lenses and cannot be classified as one. These molds require a great deal of knowledge in the designing, fitting and review process. It is therefore very important to go to the right Orthokeratologist who has the proper certification and accreditation by the Orthokeratology academy. This is the list of members and fellows of the American Academy of Orthokeratology and Myopia Control in Singapore.

Ortho-K is a significantly longer process than a regular contact lens fitting. It requires a series of office visits and potentially multiple pairs of lenses. Also, GP molds used for Ortho-K are more costly than most contact lenses. Therefore, fees for Ortho-K are higher than fees for regular contact lens fittings. Ortho-K prices are based on the Orthokeratologist’s skill, training, patient’s refractive error and complexity of individual cases. A preliminary comprehensive eye examination including corneal topography is necessary to determine if you are a suitable candidate for treatment and an experienced orthokeratologist will be able to answer specific questions pertaining to you individual case.

The practice of Ortho-K requires a great deal of technical skill, specialised equipment and considerably more office time and is therefore more costly to the patient. Many Optometrists do not consider myopia control worth the time and effort. Some believe myopia progression is no big deal or that nothing can be done. If an Optometrist is not trained in Ortho-K, or did not look into the current research on myopia treatment, he or she will not recommend it as an option during an eye exam. It is easier to offer contact lenses, glasses or refractive surgery to correct vision.