Orthokeratology, also known as Ortho-K, is a non-surgical method of correcting vision by reshaping the cornea with specially designed contact lenses worn overnight. When removed in the morning, these lenses temporarily correct refractive errors, allowing clear vision during the day without glasses or daytime contact lenses.

In Singapore, orthokeratology is gaining popularity, especially among individuals seeking alternatives to spectacles and laser eye surgery. This method is particularly relevant in a country where myopia rates are among the highest in the world.

How Orthokeratology Works

Orthokeratology in Singapore involves custom-fitted rigid gas-permeable lenses that gently reshape the cornea.

The Overnight Process

When worn during sleep, Ortho-K lenses apply gentle pressure to the corneal surface. This alters its curvature, changing how light enters the eye. By morning, users experience improved vision without needing corrective eyewear.

Temporary Nature of the Effect

The effect of orthokeratology is reversible. If a person stops wearing the lenses, the cornea gradually returns to its natural shape, and vision returns to its original state. This temporary aspect makes it suitable for those who prefer non-permanent solutions.

Types of Vision Issues Corrected

Orthokeratology is commonly used for:

• Myopia (short-sightedness)

• Low to moderate astigmatism

• In some cases, hyperopia (far-sightedness)

Orthokeratology in Singapore Context

Singapore faces one of the highest prevalence rates of myopia globally, particularly among children and young adults. This situation has made orthokeratology a sought-after solution for myopia management and vision correction.

Popularity Among Children

Parents in Singapore often consider orthokeratology for their children. The lenses not only correct vision but may also help slow down the progression of myopia, which is a growing concern in the region.

Access and Availability

Orthokeratology is available across eye clinics and optometry practices in Singapore. Specially trained optometrists conduct assessments to determine eligibility and fit lenses accordingly.

Regulations and Professional Standards

In Singapore, eye care professionals are required to undergo training before prescribing Ortho-K lenses. This ensures safety and effectiveness for patients, as proper fitting is crucial to avoid complications.

Benefits of Orthokeratology

Orthokeratology offers several advantages compared to conventional vision correction methods.

Non-Surgical Alternative

Unlike procedures such as LASIK, Ortho-K does not involve surgery. This makes it appealing to individuals who prefer non-invasive solutions or are not eligible for surgery due to age or eye conditions.

Daytime Freedom

One of the most attractive benefits is clear vision without glasses or daytime lenses. This freedom is especially useful for sports, outdoor activities, or jobs requiring active movement.

Myopia Control Potential

Studies suggest that orthokeratology may help slow the progression of myopia in children. This has long-term benefits, as high myopia is associated with increased risk of eye diseases later in life.

Reversibility

Since its effects are temporary, users can discontinue use at any time without permanent changes to their vision.

Risks and Considerations

Although orthokeratology is generally safe, it requires proper care and supervision.

Lens Hygiene

Ortho-K lenses must be cleaned and stored correctly to prevent eye infections. Poor hygiene can lead to complications such as keratitis.

Regular Check-Ups

Eye examinations are necessary to monitor corneal health and ensure the lenses continue to fit properly. In Singapore, optometrists usually recommend follow-up visits every few months.

Not Suitable for Everyone

Orthokeratology may not work effectively for individuals with very high prescriptions, severe astigmatism, or certain corneal conditions. A thorough eye assessment is essential before starting treatment.

The Orthokeratology Fitting Process

The process of starting orthokeratology in Singapore involves several steps.

Eye Examination

An initial consultation includes measuring corneal curvature, prescription levels, and overall eye health. Advanced imaging tools like corneal topography are often used.

Lens Customization

Ortho-K lenses are designed based on individual eye measurements. These custom lenses ensure comfort and effective reshaping.

Adaptation Period

It usually takes a few nights of lens wear before the desired vision correction is achieved. Some users may experience halos or glare initially, but these effects often reduce with consistent wear.

Ongoing Maintenance

Regular follow-ups help to adjust the lens fit if needed and monitor the cornea’s response to treatment.

Orthokeratology for Children in Singapore

With myopia rates among children in Singapore being particularly high, orthokeratology has become an important option for parents seeking myopia management solutions.

Why Parents Consider Ortho-K

Children benefit from daytime freedom, which makes school and physical activities more convenient. The potential to slow myopia progression adds an extra layer of importance for long-term eye health.

Professional Guidance

Singaporean optometrists often work closely with parents to ensure children understand lens care routines. Proper guidance reduces the risk of complications.

Comparison with Other Vision Correction Methods

Orthokeratology is one of several approaches to vision correction available in Singapore.

Glasses and Daytime Contact Lenses

While glasses and contact lenses are more common, they require daily wear and may limit certain activities. Ortho-K provides freedom from these limitations.

Laser Eye Surgery

Surgical options like LASIK provide permanent correction but involve risks and are not recommended for children or younger adults whose prescriptions may still be changing. Ortho-K provides a reversible alternative.

Myopia Control Options

Other methods such as atropine eye drops or specialized spectacle lenses are also used in Singapore. Orthokeratology is often considered alongside these approaches as part of a comprehensive management plan.

Future of Orthokeratology in Singapore

The demand for orthokeratology in Singapore is likely to grow as awareness increases and more parents seek non-invasive methods to manage myopia in children. Advances in lens design and materials will also improve comfort and effectiveness.

Government health initiatives aimed at controlling childhood myopia may further encourage the adoption of orthokeratology as part of a preventive strategy.

Conclusion

Orthokeratology in Singapore offers a non-surgical, reversible way to correct vision and manage myopia. With its rising popularity among both adults and children, it represents a valuable option in a country where myopia rates are high. While it requires commitment to lens care and regular monitoring, the benefits of daytime freedom and potential myopia control make it a practical choice for many individuals.