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Orthokeratology or Ortho-K is a non-surgical process that reshapes the cornea of the eye using contact lenses to reduce refractive errors of nearsightedness, hyperopia and astigmatism.
What are you to expect when you begin Ortho-k?
The eye doctor will begin by measuring the curvatures of your corneas using an instrument called a corneal topographer — a painless procedure that takes about a minute and produces a topographical map of your eye’s surface. Your doctor might use an in-office inventory of lenses for fitting your eyes with ortho-k lenses the same day corneal topography measurements are taken, or he/she may order custom ortho-k lenses for fitting at a later date.
Should you have Ortho-k instead of LASIK?
Ortho-k works best for people who don’t want to wear glasses or contact lenses all day, every day — but don’t mind wearing contact lenses at night, or occasionally during the day.
If your primary goal is to reduce your dependence on glasses or contacts during the day, then ortho-k might be a good alternative for you. However, if you want to eliminate the bother of contacts altogether, then corneal refractive therapy is not likely to satisfy you.
Ortho-k lenses gently correct your vision while you sleep! In the morning, you will take out your lenses and see clearly! They are great for anyone who plays sports or has dry eyes.