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Nd:YAG Laser Posterior Capsulotomy After Cataract Surgery

Surgery Overview

The most common complication of cataract surgery is clouding of the part of the lens covering (capsule) that remains after surgery, called posterior capsule opacification. If the cloudiness affects your vision, you may choose to have a laser surgery called Nd:YAG posterior capsulotomy to correct this problem.

The doctor will apply topical anesthetic (eyedrops) so that you won't feel pain. Then he or she will use a laser (Nd:YAG laser) to cut a hole in the clouded back lining of the lens capsule. This allows light to pass through the membrane to the retina at the back of the eye.

What To Expect

Nd:YAG laser posterior capsulotomy is an outpatient procedure. The person may wait in the outpatient surgery area or the doctor's office for 1 to 2 hours after the procedure so that he or she can have the pressure in the eye (intraocular pressure) checked. Intraocular pressure (IOP) is the pressure caused by the fluid inside the eye that helps keep the shape of the eye. You should not feel pain after the surgery.

Why It Is Done

After cataract surgery, some people notice cloudiness (sometimes called aftercataract) after several months or years. In some people, it can become very dense and cause as much or more vision loss as the original cataract.

The decision to have this procedure is based on the same criteria as the decision to have the original cataract surgery:

  • Vision problems are affecting your work or lifestyle.
  • Glare caused by bright lights is a problem.
  • You cannot pass a vision test required for a driver's license.
  • You have double vision.
  • The difference in vision between your two eyes is significant.
  • You have another vision-threatening eye disease.

The procedure is not needed unless vision loss caused by clouding of the lens capsule is seriously affecting the person's vision and lifestyle.

How Well It Works

Nd:YAG laser posterior capsulotomy reduces glare and improves vision. It lets light pass through cloudy regions of the lens capsule that may develop after cataract surgery.

Risks

The most common complication of Nd:YAG laser posterior capsulotomy is short-term increased pressure inside the eye. You may need to use eyedrops to lower the eye pressure.

Other risks include:

  • Detachment of the nerve layer at the back of the eye (retinal detachment).
  • Swelling of the center of the retina (macular edema).
  • Damage or displacement of the intraocular lens.
  • Bleeding into the front of the eye.
  • Swelling of the clear covering of the eye (corneal edema).

What To Think About

It is common to have a new floater in the eye after this surgery.

Nd:YAG laser posterior capsulotomy is not used to prevent clouding of the back lining of the lens capsule (posterior capsule opacification). There is no way to know who will get clouding in the back of the eye after cataract surgery. Certain lenses used in the surgery to remove the cataract may lower this risk and the need for laser surgery later.

As with cataract surgery, it is important to weigh the risks and possible benefits of laser capsulotomy before deciding to have the surgery.

Credits

ByHealthwise Staff
Primary Medical ReviewerKathleen Romito, MD - Family Medicine
Adam Husney, MD - Family Medicine

Current as ofDecember 3, 2017


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