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Cataract removal is surgery to remove a clouded lens (cataract) from the eye. Cataracts are removed to help you see better. The procedure almost always includes placing an artificial lens in the eye.
Cataract extraction; Cataract surgery
Cataract surgery is an outpatient procedure. This means you likely do not have to stay overnight at a hospital.
The surgeon uses a microscope to look at the eye. A small cut is made in the eye. The lens is removed. How it is removed depends on the type of cataract. It may be done:
A man-made lens, called an artificial intraocular lens (IOL), is usually placed into the eye next. It will help improve your vision.
The doctor will close the wound with very small stitches. Sometimes, a self-sealing (sutureless) method is used. If you have stitches, they may need to be removed later.
The surgery usually lasts less than an hour. Most times, just one eye is done. If you have cataracts in both eyes, your doctor may suggest waiting 1 to 2 months between each surgery.
The normal lens of the eye is clear (transparent). As a cataract develops, the lens becomes cloudy . This blocks light from entering your eye. Without enough light, you cannot see as clearly.
Cataracts are painless. They are most often seen in the elderly. But sometimes, children are born with them. See: Congenital cataracts
Cataract surgery is usually done if you cannot see well enough because of cataracts. Cataracts usually do not harm your eye, so surgery can be done when it is convenient for you.
Complications of cataract surgery are rare.
Rarely, the surgeon is not able to remove the entire lens. If this happens, a procedure to remove all of the lens fragments will be needed at a later time. Most patients who need this procedure still do very well.
Very rare complications can include infection and bleeding. This can lead to permanent vision problems.
Before surgery, you will have a complete eye exam and eye tests by an ophthalmologist. This type of medical doctor specializes in eye health.
The doctor will use ultrasound or a laser scanning device to see the inside of your eye. These tests help your determine the best intraocular lens for you.
Your doctor may prescribe eye drops before the surgery.
You will need to have someone drive you home after surgery.
You will usually have a follow-up exam with your doctor the next day. If you had stitches, you'll need to make an appointment to have them removed.
You may receive the following:
Tips for recovering after cataract surgery:
Full results are usually seen after about 2 weeks. If you need new glasses or contact lenses, you can usually have them fitted at that time. It is important to have a follow-up visit with your doctor.
Most patients do well and recover quickly after cataract surgery. Most can see better after this surgery.
Cionni RJ, Snyder ME, Osher RH. Cataract Surgery. In: Tasman W, Jaeger EA, eds. Duane’s Ophthalmology. 15th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2009:chap 6.
Davison JA, Kleinmann G, Apple DJ. Intraocular Lenses. In: Tasman W, Jaeger EA, eds. Duane’s Ophthalmology. 15th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2009:chap 11.
Masket S, Sarayba M, Ignacio T, Fram N. Femtosecond laser-assisted cataract incisions: Architectural stability and reproducibility. Journal of Cataract and Refractive Surgery. Volume 36, Issue 6, Pages 1048-1049, June 2010.
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