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Lowy & Sewell Eye Care is Open and seeing patients by appointment only

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Ortho-K Overnight Vision Correction

Ortho-K Overnight Vision Correction has been shown to slow the progression of children’s nearsightedness.

Gentle, custom-fitted, vision shaping contact lenses are worn while your child sleeps to temporarily reshape the cornea to correct their nearsighted vision during the day. When your child wakes up in the morning, the lenses are taken out and your child will be able to see clearly without the need for eyeglasses or contact lenses.

Canadian studies have shown that the progression of myopia in children and young adults is also slowed with Ortho-K therapy.

With Ortho-K your child can enjoy all of the activities they love without having to worry about eyewear. No more broken or lost glasses, no more contact lens care and no surgery.

No kidding!

Illustration of Ortho-k in Thornhill, ON

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Be glasses-free throughout your day, at work, school and play!

80% of learning is visual. Give your child the best chances for success!


Ortho-K: And Sports

Are your glasses getting in the way of the game? With Ortho-K, you can get on the field, court or pool without a care. See clearly and safely during your sport without the need for glasses or contacts.

Little girl, smiling, wearing Ortho-k lenses in Thornhill

Does your Child Dream of Waking Up to Perfect Eye Sight?

With Ortho-K Overnight Sight Correction, (also known as Corneal Reshaping Therapy or Vision Shaping Therapy) you can see naturally and clearly without glasses or contacts all day long.

Ortho-K is safe for children and adults. To see if Ortho-K is right for you, you will need to schedule an Ortho-K evaluation with one of your local area optometrists: Dr. Lowy, Dr. Sewell or Dr. Marenny

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Candidates for Ortho-K

Ortho-k was designed for nearsighted people who are not appropriate candidates for vision correction surgery, such as children. Individuals of all ages with healthy eyes can try ortho-k because, unlike LASIK and other eye surgeries, it can be stopped at any point without permanent effects to your eyes.

People who require vision correction and engage regularly in sports or work in extremely dusty, dirty environments will also appreciate the convenience of ortho-k.

Vision Results from Ortho-K Treatment

Success rates for ortho-k are generally higher for more mild vision prescriptions. The ideal goal is to provide 20/20 vision without any need for eyeglasses or contacts during the day.

According to FDA trials conducted on both CRT and VST lenses, more than 65% of ortho-k patients achieved 20/20 visual acuity. More than 90% of ortho-k patients achieved 20/40 vision or better (this is the legal requirement for driving without vision correction in most provinces). Consult with one of the eye doctors at Dr. Lowy and Sewell Eye Care to find out if your vision prescription is within range for successful ortho-k treatment.

Please note that while improvement in your vision is generally reported within a day or two of wearing ortho-k overnight, the full effects may not be experienced until the lenses have been worn for a few weeks. During this transition period, your vision will probably not be as crisp as it was with regular contacts or eyeglasses, and you may see glare or halos around lights sources. Until the ortho-k works fully, a temporary pair of eyeglasses may be required for specific actions, such as driving at night.

How Does Ortho-k Feel?

Although some people have trouble wearing regular gas permeable contact lenses during the day, ortho-k Gas Permeable (GP) lenses are worn while you are sleeping – so discomfort and awareness of the lenses in your eyes is generally not an issue.

Is Ortho-k expensive?

Professional fitting for ortho-k requires a series of visits to the staff at Lowy and Sewell Eye Care. A number of pairs of contact lenses are also generally needed. GP lenses that are special for ortho-k are more costly than standard contacts. In sum, the fees for ortho-k add up to a higher total than regular contact lenses.

LASIK after Ortho-k

Refractive surgeries, such as LASIK, are possible after treatment with ortho-k lenses. It is very important to note- because ortho-k works to reshape your cornea, you are required to stop wearing the lenses for several months before undergoing LASIK. This allows your eyes to return to their original shape.

It’s important to inform your LASIK surgeon if you’ve been wearing ortho-k lenses, and you will be advised as to how long of a wait is necessary before having the laser procedure. The staff at Lowy and Sewell Eye Care can help you prepare for LASIK surgery so that there is no risk to your vision.

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Vision is Vital to the Quality of your Life

Your eye health is an important indicator of your overall health, and comprehensive eye care goes beyond a prescription for glasses or contact lenses. At Lowy and Sewell Eye Care, we take the time to get to know you, your eye care history, and your vision needs. Our optometrists provide the expert care, advice, options, and follow up you need whether you are a new patient or an existing one and serve patients from across the G.T.A.