The word cataract is used to describe any reduction in clarity in the lens of the eye, resulting in blurred vision. A cataract may begin as a white spot at the edge of the lens or as a haze at the centre of the lens, gradually worsening until the vision is badly blurred. One eye is usually more badly affected than the other.
Why is it performed?
The main reason for cataract development is advancing age. As a person gets older, the lens of their eye inevitably becomes less clear. This can lead to a cataract and as the condition cannot be treated by tablets or eye drops, surgery may be required if the person's vision is seriously affected.
Cataract removal is one of the most common and successful surgical procedures and you should regain your vision quickly after the operation. You will probably be advised against swimming, heavy lifting and vigorous exercise for the first few months after the procedure and a new pair of reading glasses may also be prescribed.
For a more detailed feature on cataracts, see…