Surgery
Cataract Surgery
Cataract surgery replaces the eye's cloudy lens with a clear artificial one to restore vision. It is one of the most common and successful operations, usually done in under an hour under local anaesthetic.
Quick answer
Cataract Surgery: what it is, why it's done and what happens
Cataract surgery removes the eye's natural lens once it has become clouded (a cataract) and replaces it with a clear artificial lens implant.
- Why it is done: It is done when a cataract blurs vision enough to affect daily life, such as reading, driving or recognising faces.
- What happens: Usually under local anaesthetic (the eye is numbed, you stay awake), the surgeon removes the cloudy lens through a tiny opening and inserts the new lens.
What it is
Cataract surgery removes the eye's natural lens once it has become clouded (a cataract) and replaces it with a clear artificial lens implant.
Why it is done
It is done when a cataract blurs vision enough to affect daily life, such as reading, driving or recognising faces.
What happens
Usually under local anaesthetic (the eye is numbed, you stay awake), the surgeon removes the cloudy lens through a tiny opening and inserts the new lens. It typically takes 30–45 minutes.
Recovery
Most people go home the same day and notice clearer vision within days, using eye drops for a few weeks while the eye heals.
Good to know
Risks and things to consider
Cataract surgery is very safe with excellent results, though as with any operation there are small risks including infection. Some people later develop clouding behind the new lens, easily treated with a quick laser.
Education and reference only. This explains the procedure in general terms and is not medical advice. Your own care, risks and recovery will be explained by the team looking after you.
Answers
Cataract Surgery: frequently asked questions
Is cataract surgery painful?
No. The eye is numbed so the operation is painless, though you may feel slight pressure. It is usually done while you are awake and takes under an hour.
How soon will I see clearly after cataract surgery?
Many people notice improved vision within a few days, though it can take a few weeks for vision to fully settle as the eye heals.
Related
Other surgery
Sources
Where this is drawn from
- NHS — Tests and treatments
- NICE — procedure and treatment guidance
- Relevant Royal College / professional body
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