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Why is tube-shunt surgery for glaucoma done?
Tube-shunt surgery is most often used for people who have had previous trabeculectomy surgery that was not successful, usually due to scarring.
Tube-shunt surgery is also frequently used to treat glaucoma when a person has a:
- Difficult case of glaucoma and the doctor thinks that other surgical methods may fail.
- Form of glaucoma in which new blood vessels grow on the colored part of the eye, or iris. This is called neovascular glaucoma and occurs primarily in people who have diabetes or who have vascular diseases in the eye. It is difficult to control.
- Corneal transplant, which is a surgery to replace the clear surface on the front of the eye (cornea).
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