A non-surgical procedure that is being used for myopia control by changing the shape of the eye's cornea. The procedure involves wearing GP contact lenses that "mold" the surface of the cornea into a shape that provides for better vision. The procedure does not have a permanent effect. Therefore, just as orthodontic retainers keep your teeth from moving back to their original positions, "retainer" contact lenses must be worn periodically to keep the cornea from regressing back to its less desirable shape. Ortho-k is also known by names such as corneal reshaping, vision shaping and corneal refractive therapy.
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