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UVx or Collagen Cross linking

Corneal collagen cross-linking is a technique which uses UV light and a photosensitizer to strengthen the chemical bonds within the cornea. 

This procedure is not the same as performing laser vision correction in the normal eye. The aim is to maximise vision, not cure the condition, and in some circumstances other treatments such as corneal transplantation may be required in the longer term.

The goal of the treatment is to halt progressive and irregular changes in corneal shape, known as ectasia. These ectatic changes are typically marked by corneal thinning , with an increase in the curvatures of the cornea, and often lead to high levels of myopia and astigmatism. The most common form of ectasia is keratoconus and less often ectasia that is seen after laser vision correction.  Early trials began in 2003, and the results were very promising. It is now a widely used technique and Dr Males was in fact the first doctor to perform this procedure in Australia.


After topical anaesthetic drops are placed in the eye, the laser is applied to the corneal surface with a "no touch" technique. The laser treatment itself takes less than one minute in most cases. The next step is to apply riboflavin drops to the eye. Following the installation of the drops a UV light is applied to the eye.


The procedure is performed here in our Macquarie street facility and takes about 45 minutes. It is likely you will need a few days to a week off work or study for recovery and post operative care.   The success of the treatment will be known a few months after the surgery, when further scans are performed to check for absence of progression.