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Phototherapeutic keratectomy (PTK) can treat corneal irregularities.
An eye examination with a specialist can confirm if you do have any irregularities in your cornea. Your eye specialist or Consultant will be able to advise on the best treatment option for you. This could include topical medication, ocular lubricants (artificial tears or eye ointments), or the placement of a bandage contact lens.
If these treatment options do not help improve the irregularity in your cornea, phototherapeutic keratectomy (PTK) can be considered. Phototherapeutic keratectomy (PTK) helps produce a smooth, even corneal surface, significantly improving your vision.
Although minor abrasions (scratches) to your cornea often heal on their own, more deeper scratches and injuries can lead to vision problems and scarring. Phototherapeutic keratectomy can remove superficial scar tissue in your cornea and help improve your vision.
Corneal dystrophies (eye diseases that affect your cornea) are often hereditary. An example of corneal dystrophy is keratoconus, a condition that causes part of your cornea to become cone shaped. It can lead to symptoms such as itchy eyes, blurred vision and sensitivity to light.
Keratoconus can also cause other eye problems, including short-sightedness, which happens when objects appear blurry from a distance.
They will use different imaging techniques to diagnose your condition and plan your treatment accordingly. An ocular coherence tomography (OCT) scan is a non-invasive imaging technique that scans the back of your eye. OCT scans provide high-resolution images of your cornea before and after treatment, helping diagnose several types of eye conditions.
If photo-therapeutic keratectomy is advised, a Consultant Ophthalmologist will perform your treatment. Prior to the procedure, they will typically administer local anaesthetic eye drops into your eye to numb it and its surrounding area.
The epithelium (the outermost layer of your cornea) is firstly debrided. This describes the process carried out to remove dead or contaminated tissue and expose healthy corneal tissue. This is performed with a specialist instrument or laser.
Your Consultant will then use a laser to extract thin layers of tissue from your cornea, leaving behind a smooth surface where new, healthy tissue can form.
After the irregularity in your cornea has healed and the bandage contact lens has been removed (if applicable), topical corticosteroids (steroids) should be applied to your eye as advised by your Consultant.
You will also be prescribed topical lubricants such as eye drops, which should also be applied.
Your Consultant will discuss your recovery timeline in detail with you to ensure you can manage your recovery effectively. They will show you how to apply any topical steroids or lubricants, so that you know how to do this appropriately at home.
Your payment will include the cost of treatment and any after-care appointments. Our flexible payment options mean that you can spread the cost of your treatment across 12 to 60 months (around 5 years).
If you decide to pay over a 12-month period, your treatment cost will not include any interest. You can learn more about our flexible payment options here.