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Cataract Surgery

What is a cataract?

This cataract surgery overview page aims to explain what cataracts are and how your doctor will treat them.

A cataract is the medical term for a cloudy white spot which forms on the lens of your eye. As the lens is usually clear, when cataracts form it can affect your vision. This can cause blurriness, haloes of light and problems with seeing colours. Cataracts are most commonly linked to growing older and so most often affect adults. However, it is possible for babies to be born with them as a part of some rare conditions. Other causes of cataracts include:

  • Trauma or damage to the eye
  • Exposure to radiation
  • Prior eye surgery
  • Diabetes
  • Smoking
  • Extreme sun exposure
  • Long term use of steroids

If left without treatment, the cataract will continue to form and your vision will worsen. Ultimately, this can lead to blindness. Therefore, it is important to speak to your doctor about your options.


Procedure time

15-45 min


Overnight stay

0 nights





Recovery time

4-6 weeks

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