Seton in filtration glaucoma

This patient has a tube which enters the anterior chamber through the limbus region. This is a seton used for 
glaucoma operation. Molteno's tube is the  most commonly used.

Look for:

  • previous trabeculectomy
  • presence of signs indicating the underlying condition such as rubeosis iridis, ICE syndrome.


1. What are the indications for using seton procedures?


2. What are the components of setons?

3. What is the most common complications of seton procedures?

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