What is Orthokeratology?
- Orthokeratology – also known Ortho-kor-orthokeratology – is a non-surgical technique used in ophthalmology for the correction of visual defects.
- The treatment of orthokeratology (Ortho-K) involves the programmed application of particular night contact lenses, rigid and gas-permeable, made in a personalized way for each patient.
- The foundations of orthokeratology were laid around the 1960’s, but it was only in the 1990’s that the use of this technique began to spread significantly. Nowadays, the use of Hearing aids and orthokeratology lenses is considered as an alternative for those patients who do not want or cannot undergo surgery for the correction of ametropia (myopia, astigmatism and farsightedness) and presbyopia.
Indications of orthokeratology
- Orthokeratology is indicated in cases where various types of ametropia are to be corrected, such as myopia, astigmatism and hyperopia. However, in some cases, orthokeratology is also useful in the treatment of presbyopia.
- To slow the progression of myopia in children the use of orthokeratology is also indicated .
- Currently, it seems that the main use of orthokeratology concerns precisely the correction or arrest of the progression of myopia.
How does Orthokeratology work?
- Normal contact lenses are meant to interact as little as possible with the cornea; on the other hand, orthokeratological lenses are especially designed to adjust the corneal profile – organically and in a regulated manner.
- This modification is made possible by the pressure exerted on the corneal surface by the deposit of the lens that is created between the rigid lens and the cornea.
- In other words, the lens is designed in such a way as to leave a sort of imprint on the corneal surface, modeling it according to the specific needs of the patient (correction of myopia, astigmatism, hyperopia or presbyopia).
- Through changing the profile of the cornea – which has certain plasticity – it is possible to correct the refractive error that characterizes the patient’s visual defect. Unfortunately, this remodeling is temporary.
Incredible benefits of Orthokeratology
Orthokeratology allows patients to make substantial lifestyle adjustments; in fact, many children who have this procedure are able to stop using standard eyeglasses or contact lenses. And allowing them to be more active in sports, leisure activities, and work. While retaining decent vision after the process of one year.
- This Ortho-K technique allows you to achieve improvement in vision without resorting to surgery.
- The Ortho-K lenses are customized and tailor-made for each patient in order to ensure maximum adaptability.
- People of all ages can use Lenses for orthokeratology. However, it is advisable to use this type of lenses only in children who are able to manage them independently.
- The orthokeratology treatment is completely reversible. In case of intolerance to lenses, side effects or unwanted results, you can stop using them. The corneal surface will return to the condition prior to the start of the treatment relatively quickly.
- Since orthokeratological lenses must be worn overnight, they are more comfortable than traditional lenses. In fact, despite the first sensations of discomfort that may occur following the application of the lenses, they are not perceived during sleep.