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Eye Health Center

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Cataracts: Questions About Surgery - Topic Overview

How bad does my vision need to be before I consider surgery?

  • If your vision is 20/50 (20/20 is normal) or worse because of a cataract, you may benefit from surgery.
  • If your vision is 20/40 and you have severe glare problems or require good vision for work (for example, you drive for a living), surgery may help you. But eyeglasses may also help. You may want to consider trying glasses before having surgery.
  • If your vision is 20/40 or worse, have your eyeglass prescription checked. And consider surgery only if eyeglasses fail to help.

Where should I go for surgery?

  • The most important factor to consider is the skill and experience of your eye surgeon. If you need a recommendation for a surgeon, talk with your family doctor or optometrist.
  • Try to choose a convenient location. Then you can easily get follow-up eye exams and be seen if you have problems.

Which procedure will be done and why?

  • Phacoemulsification (small incision surgery) is the most commonly performed type of cataract surgery. The surgeon uses ultrasound to break up the cloudy lens. Other types of surgery are usually reserved for special situations.
  • Ask your surgeon how experienced he or she is with the procedure. Ask if he or she will use a laser during part of the surgery. Also find out how many procedures the surgeon has done and what the outcomes were.
  • Phacoemulsification has the highest success rates.

What type of anesthesia is planned?

Cataract surgery in otherwise healthy people can usually be done on an outpatient basis with local anesthesia or topical anesthetic eyedrops. (General anesthesia is only needed for a few people.)

What type of lens replacement is best?

  • Lenses that are placed inside the eye during surgery (intraocular lenses, or IOLs) are used in many cataract surgeries for adults and children. They help you depend on glasses less. The doctor may wait until a child is 1 to 2 years old before using an IOL.
  • Ask your doctor about the different types of lenses and what would be best for you. Some types may cost more than others.
  • Contact lenses placed on the eye's surface are an option. But they may be difficult for older adults and young children to use. Contact lenses are used after cataract surgery in children younger than age 2.
  • Thick cataract glasses were used in the past. They are not used very often now that IOLs are available.
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