Glaucoma Surgery
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This type of surgery creates a fistula or drainage channel to move fluid from the anterior chamber of the eye to the subconjunctival space. Successful surgery can lead to long term pressure control, with or without medication, although there is a risk of either temporary or permanent vision loss.

 
 
 
 
 
Glaucoma Valve
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Some patients are not candidates for trabeculectomy, such as patients with neovascular glaucoma, failed trabeculectomy, or susceptibility to developing scar tissue. An alternative is glaucoma valve surgery. This procedure implants an artificial valve or outflow channel in the eye. Successful surgery can lead to long term pressure control, with or without medication, although there is a risk of either temporary or permanent vision loss
 
   
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