Phototherapeutic Keratectomy (PTK)

PhotoTherapeutic Keratectomy (PTK) is a form of treatment for various corneal conditions which include previous injury or other causes of corneal scarring. In some cases, it can also be used to treat breakdown of the corneal surface otherwise known as recurrent corneal erosion syndrome.

We work closely with you to determine the best treatment to restore your vision taking into account your suitability and how it fits with your lifestyle. 

Anatomy diagram of the cornea

What is involved in PTK laser eye surgery?

PTK is an elective surgical procedure offered to patients with anterior corneal pathology meaning irregularities or scarring on the corneal surface impacting vision.

PRK laser eye surgery - step 1

Before Surgery:

The irregular cornea surface prior to surgery requiring correction.

PRK laser eye surgery - step 2

Step 1:

Removal of the refractive component.

PRK laser eye surgery - step 3

Step 2:

Removal of the epathelial component.

PRK laser eye surgery - step 4

After Surgery:

The cornea regenerates with the correct refraction.

What are the benefits of PTK?

Who is suitable for PTK?

PTK is generally suitable for patients who suffer from anterior corneal diseases such as:

You may have already trialled previous prescription eye drops and bandage contact lenses to treat your condition with minimal effect. You will first need an assessment with the eye surgeon to assess your eyes and eligibility for this procedure.

What are the risks of PTK surgery?

It is very rare for complications to occur during the procedure. But there are short term and long term side-effects that may include but are not limited to:

Preparing for Surgery

What to expect for your PTK surgery

Prior to surgery

During the procedure

Post-operative recovery

For a diagnosis and to discuss treatment options of any eye condition, please make an appointment.