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Services

Dry Eye

ThermaEye IPL for Dry Eye

Children's Eyecare

Myopia Management

Ortho-K

Ortho-K

Ortho-K treatment, also known as overnight vision correction (OVC) involves using specially designed rigid gas permeable contact lenses to gently alter the shape of the cornea in order to reduce or correct myopia (short-sight). The aim of ortho-k is to be free of both contact lenses and spectacles during waking hours making it a viable alternative to refractive surgery.

In the last few years, advances in technology have made it possible to accurately scan the cornea and manufacture ortho-k contact lenses which achieve a controlled and precise reduction in spectacle prescription. New developments in lens materials enable the treatment to progress safely with overnight wear which is why the procedure is sometimes known as overnight vision correction (OVC).

At Stephen Davis Optometrists Ortho-k, overnight vision correction treatment has become so popular that it now constitutes a large part of our clinical time. We achieve excellent results with myopic prescriptions up to -5.00 and sometimes it is possible to correct higher prescriptions.

Advantages of Ortho-K, Overnight Vision Correction:

  • Good vision without spectacles or contact lenses for most of the day
  • Children can be treated effectively and there is strong evidence that increasing myopia (short sight) is retarded. (myopia control).
  • Overnight vision correction (OVC) is not a surgical procedure, so both eyes can be corrected at the same time and it does not cause the permanent hazy vision experienced by some patients following laser surgery
  • Ortho-k is modifiable and reversible meaning that changes in prescription can be easily dealt with, or treatment can be halted.
  • Over night vision correction does not hurt.
  • Ortho-k, overnight vision correction has approval by the FDA (US Food and Drugs Administration) for correcting up to -6.00 D of myopia. Well established ortho-k contact lens fitting techniques mean that there are very few risks
  • Ortho-k works well for dry eye patients as they are free from contact lenses during the day.

Disadvantages of Ortho-k, Overnight Vision Correction:

  • Ortho-K is not a permanent solution or a cure and is reversible.
  • Overnight vision correction requires long term maintenance, with strict hygiene and regular aftercare appointments (usually every 6 months following the initial treatment when the contact lenses need to be replaced).
  • The refractive error correctable by OrthoK is limited (usually to -6.00).
  • The corneal response to Ortho-k gentle moulding procedure, shows individual variance and is not always predictable.
  • During the initial stage of Orthok treatment, the effect is progressive so vision correction will be variable and daily disposable contact lenses may be required.
  • It is common to experience some glare around lights and mild ghosting or haloes which typically reduce by the end of the initial treatment phase.
  • Ortho-K, overnight vision correction is not suitable for patients with ocular surface disease, keratoconus or corneal dystrophies.
  • As with any contact lens wear there is a small risk of infection, allergy and corneal erosions.

Ortho-K Cost

The fitting fee is £325.00. This involves:

  • Appointment 1 – Eye Test, slit-lamp microscopy, corneal mapping (topography-scan),
  • Data – Emailed to lab for analysis, suitability and configuration of customised
  • Appointment 2 – Collection, fitting, handling & hygiene instruction for overnight wear.
  • Appointment 3 – Overnight wear check. Eyes and lenses checked. Corneal mapping (topography-scan) carried out.
  • Appointment 4 – 1/2 week progress check.
  • Check-ups 3 monthly and thereafter 6 monthly intervals
  • Lenses are replaced every 6 months to ensure eyes remain healthy, reduce risk of infection/regression and to maintain the corneas are at their optimum new shape.

Once you are happy, we set you up on a Scheme paying £55 per month, up to £65 if you have the Toric lenses. This includes all aftercare, sight tests and discount on solutions and our other products.

For more information about Ortho-K please contact the practice or request an appointemnt online and we will be happy to book you in for a consultation.