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What Is Orthokeratology?

Orthokeratology or Ortho K is a vision therapy provided by many UK high street opticians under the name EyeDream - Overnight Vision Correction. Ortho K lenses are manufactured from a special highly oxygen permeable material. When worn during the night these lenses apply a controlled shape to the ‘window’ at the front of the eye (the cornea), eliminating your short sightedness. This effect stays strong enough for you to function the entire day without spectacles or contact lenses.


Ortho K is ideal for low-mid short sighted people who:

  • Want clear natural vision all day - every day
  • Find soft contact lenses do not fulfil the comfort demands their life-style places on their eyes
  • Are involved in recreational and sports activities where periods without wearing contact lenses is ideal
  • Have considered refractive surgery because of the freedom it provides, but are worried about the risks

So how is this possible?

Very simply, Ortho K is a specially designed contact lens that reverses the power of the cornea, at the front of the eye during overnight wear. Once the full effect has taken place, the eye is effectively ‘normal’ and can see clearly during the day.


With Ortho K you will benefit from:

  • Freedom from contact lenses and glasses during the day
  • Very easy adaptation, only overnight lens wear required
  • A comfortable, semi-permanent alternative for the correction of short sightedness
  • A safe and reversible vision correction therapy without surgery

Thousands of Happy Patients

Ortho K utilises the tried and tested lens design that has been available in Europe since 2002 and currently boasts thousands of happy patients. Ortho K is available to patients with the following degrees of short sightedness:

  • A spherical spectacle prescription of -0.75D up to -4.50D
  • Astigmatism of up to -2.50D

A qualified Ortho K eye care practitioner, will have attended an extensive programme of training prior to treating patients in order to be better familiarised with the technique and lens design. Your practitioner will be able to advise you as to your suitability for Ortho K. You can find a qualified practitioner here.


Find A Qualified Ortho K Optician


There are over 200 qualified Ortho K eye care practitioner's in the UK and Ireland. Each practitioner will have attended an extensive programme of training prior to treating patients in order to be better familiarised with the technique and lens design and will be able to advise you as to your suitability. You can find a qualified practitioner here.


Find A Qualified Ortho K Optician


Click on the link below to watch Ortho K information videos and television features. Videos include a 13 minute ITV production staring Philip Schofield

Watch Ortho K Information Videos

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