Tubes & Trabs


  • Understand the indications and steps involved in traditional glaucoma fistulizing surgery (e.g., trabs and tubes).
  • Create a partial thickness scleral flap of appropriate dimensions for trabeculectomy.
  • Insert the ExPress glaucoma shunt under the scleral flap, and suture the flap closed with appropriate tension over the shunt.
  • Suture the tube shunt plate (Baerveldt or Ahmed) into the appropriate scleral location.
  • Place the tube shunt into the anterior chamber of laboratory eyes.

Reading materials:

  • Chapters 4, 8, and 39 of Kahook’s recent “Essentials of Glaucoma Surgery” required for the lab (attached).  Additional chapters are provided but not required in the attachment.
  • Chapter 8
  • Glaucoma Incisional Surgery for Open-Angle Glaucomas
  • Glaucoma Drainage Device Implantation