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Understanding Pneumatic Retinopexy

Pneumatic retinopexy is a procedure to repair a detached retina. It helps to bring back vision. It uses a special tool to repair the retina and a small bubble of gas to hold the retina in place so it can heal.

Side view cross section of eye showing gas bubble in vitreous.

What is a detached retina?

The retina is a very thin layer of cells at the back of your eye. These cells detect light and send visual information to your brain. Retinal detachment is when part of your retina pulls away from the inner wall of your eye. When that happens, your retina doesn’t work normally. If not treated right away, it can cause permanent loss of eyesight.

You may have symptoms such as new floaters. These look like little specks or cobwebs that float in your field of vision. These floaters can be so dense that they impair your vision. You might also have light flashes in your eye or a curtain over your field of vision.

Why a pneumatic retinopexy is done

The procedure is done to reattach the retina. This lets the flow of blood come back to that part of your eye and restore vision. There are several treatments for a detached retina. Pneumatic retinopexy is one choice, and it may have a lower risk for problems than the other options. It may not be the right treatment if you have a complex tear, or if your tear is on the lower part of your eye.

How pneumatic retinopexy is done

Eye drops will be used to dilate your pupil. It will stay dilated for several hours after the procedure. Your eye doctor may use a syringe to remove some fluid from inside your eye. He or she will inject a gas bubble into your eye in combination with laser surgery or a freezing treatment (cryotherapy). A tool that freezes tissues is used to help seal the layers of your retina back together.

Risks of pneumatic retinopexy

All procedures have risks. The common risks of this procedure include:

  • Fluid trapped beneath your retina

  • Gas trapped in your eye

  • A scar on or under the retina (proliferative vitreoretinopathy)

Some of the less common risks are:

  • Folds in your retina

  • Inflammation in the eye

  • Increase in eye pressure

  • Bleeding in the eye

  • Detachment of the layer beneath the retina

  • New retinal tears

  • Return of the original tear

  • Need for a repeat procedure or surgery

Your risks may differ according to your age, your general health, and other factors. Ask your healthcare provider which risks apply most to you.

Online Medical Reviewer: Chris Haupert MD
Online Medical Reviewer: L Renee Watson MSN RN
Online Medical Reviewer: Rita Sather RN
Date Last Reviewed: 4/1/2020
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