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Home » Eye Care Services » Orthokeratology (CRT & VST)

Orthokeratology (CRT & VST)

Business Man Beard Laughing 1280x480Orthokeratology, commonly called ortho-k, is a method used to correct myopia (nearsightedness) by wearing rigid gas permeable contact lenses overnight, so that no vision correction is needed during daytime hours.

Gas permeable (GP) lenses specialized for ortho-k are inserted at bedtime and worn as you sleep. Throughout the night, the lenses reshape your cornea gently so that your vision becomes clear on the following morning. The correction is temporary, and ideally no eyeglasses or contact lenses will be needed on the next day or two. In order to maintain sharp visual acuity on a daily basis, you need to wear the ortho-k reshaping lenses every night.

At present, three brands of orthokeratology contact lenses are approved for use by the FDA. Euclid Emerald, usually prescribed for myopia control, Paragon Vision Sciences, who produces “Corneal Refractive Therapy” (CRT), and Bausch and Lomb, who manufactures “Vision Shaping Treatment” (VST). Our optometrists’ in The Woodlands, Spring, Conroe, Kingwood, Westchase and Houston can all provide this service.

Who is a Candidate for Ortho-K?

Ortho-k is very suitable 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, namely because it can be discontinued at any point without permanent effects to the 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.

Expected Vision Results from Ortho-k

Success rates for our ortho-k clients in the Woodlands 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 were provided with 20/20 visual acuity. A whopping number of 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 states). Consult with your eye doctor to find out if your vision prescription is within range for successful ortho-k treatment.

Note that although improvement in vision is generally reported within a day or two of wearing ortho-k overnight, the full effects may not be experienced until the lenses are 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 glare or halos around lights may be visible. Until 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 GP lenses are worn while sleeping – so discomfort and awareness of the lenses in your eyes is generally not an issue.

Some people who do Ortho-K find that their eyes appear small, or their eyelashes appear light and short, now that they no longer have eyeglasses partially blocking and magnifying them. Those interested in improving the look of the eyes can learn new makeup techniques or try a non-surgical cosmetic treatment like Latisse.

Is Ortho-k expensive?

Professional fitting for ortho-k requires a series of visits to your eye doctor in the Woodlands or our other locations. 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, but are usually less than LASIK.

LASIK after Ortho-k

Refractive surgeries, such as LASIK, are possible after treatment with ortho-k lenses. Yet because ortho-k works to reshape your cornea, you are required to stop wearing the lenses for approximately 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.

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Dr. Inns is a 1982 graduate of the University of Houston College of Optometry. He holds a Bachelor of Science degree from Wilfred Laurier University, Canada. During his training at the University of Houston, he held positions in research and was a teaching assistant / laboratory instructor.

Postgraduate work includes therapeutic courses at Pennsylvania College of Optometry and the Optometric Glaucoma Specialist Course at the University of Texas Medical School. Dr. Inns has published in Optometry Today and Optometric Management. He also volunteers at the schools in his area.

Dr. Inns and his wife, Lynn, spend much of their spare time calling and visiting with their four boys.

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Amber Draper, Manager

As the manager of The Woodlands office, Amber Draper leads the team with the focus on patient care and assisting with their ophthalmic needs. Having over 10 years experience, Amber can aid patients with the most appropriate lens technology to match their daily needs. Everyone needs at least one pair of sun wear, especially here in Texas.

Amber is a proud graduate of Sam Houston State University with a BA in History, and a minor in Spanish.

In her spare time, she is with family, friends, and enjoying some Houston Texans Football.

Dr. Toups is a 1984 graduate of the University of Houston College of Optometry. He has a Bachelor of Science degree in Pharmacy from Northeast Louisiana University.

Being a therapeutically licensed optometrist, Dr. Toups is trained to diagnose and treat ocular conditions. He specializes in contact lenses and he is current with all refractive surgery procedures.

Dr. Toups is married, has five children and has lived in the Houston area since 1980.