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What happens when you have a cataract operation?

When you have your cataract operation you’re already pre-assessed, you’ve already come to the clinic for specific measurements of the eye. And we do those measurements on a different day.
So we don’t do all of those measurements on the same day as your operation. Those pre-optic measurements are very important, because we measure the eye for a bespoke lens that we put inside your eye.
We measure the curvature of your front of the eye, the cornea. Then we measure the length of your eye ball to make sure we have the correct lens specifically for you.
But on the day of the operation you come in usually in the morning and you’ll see a nurse who will assess you and ensure that your blood pressure and your blood sugar if relevant is normal.
And we will talk to you about your cataract operation and what it involves.
If you’re having a local anesthetic then you’ll meet me and I will administer the local anesthetic on the day.
And we generally ask you to lie flat for about 20 minutes under local anesthetic looking up at a light with a cover on the eye. Before you’ll know it the cataract operation is over and you’ll have a patch on the eye and be ready to go home.

More about Jaheed Khan

Mr Jaheed Khan is a Consultant Eye Surgeon at Clinica London. His special expertise is in cataract surgery and conditions affecting the back of the eye, the retina, including AMD (Age Related Macular Degeneration), diabetic retinopathy, and various other diseases of the retina. He has over 15 years experience in treating people with eye problems just like you, and has published extensively in scientific journals about treating eye conditions. He teaches students at the London School of Ophthalmology in eye surgery. At Clinica London, he is responsible for Cataract Surgery and Retinal Diseases.


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