Where should the paracentesis incision be made during a trabeculectomy?

Updated: May 18, 2020
  • Author: Maria Hannah Pia Uyloan de Guzman, MD; Chief Editor: Hampton Roy, Sr, MD  more...
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Cataract surgeons are used to making a paracentesis incision directed toward the pupil to be able to manipulate the lens. But for a trabeculectomy where contact with the lens must be avoided, it is better to direct the paracentesis incision parallel to the limbus, especially when operating on a phakic eye. See the image below.

The paracentesis should be placed at an easily acc The paracentesis should be placed at an easily accessible point and should be directed away from the lens as in this example of a right eye.

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