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A cataract is a clouding of the lens inside the eye which may result in poor vision.

Most cataracts form as a result of ageing and long-term exposure to ultraviolet light.

Cataracts are usually associated with slow and painless blurring of vision that may not improve with prescription glasses. You may also become sensitive to bright lights especially while driving at night and notice a change in how you see colours (with images sometimes appearing with a yellow or brown tinge).

Some people may be more at risk of developing cataracts. These include:

  • People aged over 40.
  • Those who have been exposed to ultraviolet light for long period of time.
  • People who have diabetes, smokers and those who have used corticosteroid medications for long periods.
  • People who have had an eye injury.

Cataracts are treated with surgery which can be performed by an ophthalmologist.

Regular eye tests with an eye health professional, even if you do not notice any change in your vision, are essential for early detection of cataracts. If you notice any changes in your vision, don’t delay, book an eye test immediately.

In addition, wear a hat and sunglasses when outdoors to protect your eyes from the sun and if you are a smoker, quit smoking.