Diseases / Cataract

What You Should Know about Cataract Surgery

Cataracts cannot be removed with a laser, only through a surgical incision. In cataract surgery, the cloudy lens is removed from the eye. In most cases, the focusing power of the natural lens is restored by replacing it with a permanent intraocular lens implant, or IOL.

Once you and your ophthalmologist have decided that you will have your cataract removed, a physical examination is necessary so that he or she may be alerted to any special medical risks. Ask your ophthalmologist if you should continue your usual medications. Your eye will be measured to determine the proper power of the IOL that will be placed in your eye during surgery.

Cataract surgery is usually done on an outpatient basis. You may be asked to skip breakfast, depending on the time of your surgery. Upon arrival for surgery, you will be given eye drops, and perhaps medications to help you relax. A local anesthetic will make the operation painless.

The skin around your eye will be thoroughly cleansed, and sterile coverings will be placed around your head. Under an operating microscope, a small incision is made into the eye. Microsurgical instruments are used to fragment and suction the cloudy lens from the eye. The back membrane of the lens (called the posterior capsule) is left in place.

A plastic intraocular lens implant will be placed inside the eye to replace the natural lens that was removed. The incision is then closed. When stitches are used, they rarely need to be removed.

When the operation is over, the surgeon will usually place a shield over your eye. After a short stay in the outpatient recovery area, you will be ready to go home. You should plan to have someone else drive you home.

Judith Lee