Orthokeratology (ortho-k), also known as corneal reshaping therapy, is a specialty contact lens fitting using a rigid gas permeable contact lens worn overnight to change the corneal curvature, thus modifying the cornea’s refractive power. Combining its unique advantage of providing clear vision without glasses or contact lens during the day, orthokeratology has become one of the most popular and effective choices for myopic (nearsightedness) control.
Who is a Good Candidate for Orthokeratology?
- People who simply want to be glasses and contact lens free
- People who participate in contact sports
- People who work in dusty environments making difficult to wear contact lens
- Children who have nearsightedness that is getting worse every year
Who Would Qualify for Orthokeratology?
- Nearsightedness (myopia) less than -5.00 diopters
- Astigmatism less than -1.50 diopters
- More advanced lens design can correct up to -8.00 diopters of nearsightedness and -2.75 diopters of astigmatism
What are the Risks?
Researches have shown that orthokeratology is a safe and reversible procedure. Like other contact lens wear, orthokeratology has an increased risk of eye infection and inflammation. Through proper fitting of these custom designed lenses and thorough education on proper lens hygiene and care, we minimize those risks for our patients.
What is the Expected Results?
- Lower rate of nearsightedness progression for children and teenagers
- Crisp, clear vision during the day without glasses or contact lens
- Comfortable ortho-k lens wear at night while sleeping
- After 6 months to a year, possibly reduce wear schedule down to 2 nights per week
Beside orthokertology, which is the most effective way to control nearsightedness, we also offer offer DR Dynamic lenses, Zeiss MyoVision lenses, bifocal lenses and MiSight soft contact lens to control myopia.
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