What is a cataract?

A cataract is clouding within the natural lens of the eye which distorts light so it can’t focus clearly on the retina.

Cataracts can cause reduced vision and blindness and usually develop in both eyes at the same time. Most people who reach old age will develop a cataract.

Some people are more likely to suffer from cataractsthan others:

• Older people – it is estimated that one in three people over the age of 65 suffer from cataracts
• People with a family history of the condition
• A blow to the eye can occasionally cause atraumatic cataract

Certain diseases and medications can result in a cataract forming, and smoking may speed up the progression of certain types of cataract.

How do I know if I have a problem?

Cataracts are painless and their symptoms vary fromperson to person. They can include:

• Blurred vision
• A gradual loss of colour vision – objects appear duller
• Difficulty reading
• Poor vision in low light situations
• Frequent changes of prescription glasses
• An increased sensitivity to bright lights
• Double vision, even with only one eye open

These symptoms do not necessarily indicate a cataract,but you should always visit your Doctor or Optometristif you are worried.

What treatment is available?

Cataracts can be treated by a routine operation. The cloudy lens is removed and replaced by a synthetic one. The operation is usually carried out as an outpatient procedure.

How do I get help?

If you are worried you may have a cataract you should visit your Optometrist or Doctors at the earliest opportunity.

 
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