Orthokeratology
Orthokeratology (Ortho-K), is also known as Corneal Refractive Therapy (CRT). This is a non-surgical vision correction method that involves the use of specially designed gas-permeable contact lenses to reshape the cornea temporarily. These lenses are worn overnight, and while the wearer sleeps, they flatten the cornea which can reduce or eliminate refractive errors like myopia (nearsightedness). Upon waking and removing the lenses, patient typically experience improved vision throughout the day without the need for glasses or contact lenses.
The ability to not need glasses or contact lenses during the daytime is one reason Ortho-K is a popular choice. It is great for children in sports where spectacle or contact lens correction can be a hinderance. However, this is a temporary affect of the contact flattening the cornea. Over a 24 hour period the cornea will return to its natural shape and either the contacts are worn again or traditional glasses or contacts need to be worn.
Ortho-K is particularly popular among children and teens as a way to manage myopia progression. These lenses create a temporary corneal shape change that causes peripheral defocus to the retina (back of the eye). The defocus signals to the eye helps to slow down eye growth, which in turn slows the progression of myopia.
Studies have shown that wearing Ortho-K lenses can slow down the progression of myopia with an 30-60% reduction in axial elongation. It is important to have a proper fitting and regular monitoring by an eye care professional to ensure safety and effectiveness.
Ortho-K can correct myopia up to -6.00 diopters of power and up to -1.75 diopters of astigmatism. There are no age restrictions for this lens, however, the myopia management is aspect is used for children up to the age of 16 years old.
Patient will complete a fitting evaluation each year to confirm proper fit and prescriptions of Ortho-K lenses and then are monitored every 3 months with an in-office visit to ensure proper myopia management. Please call our office to find out more information regarding pricing and myopia management.