What are the contraindications for laser peripheral iridotomy (LPI)?

Updated: Jun 15, 2020
  • Author: Frank X Cao, MD; Chief Editor: C Stephen Foster, MD, FACS, FACR, FAAO, FARVO  more...
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Answer

Answer

Contraindications for LPI include conditions that cause poor visualization of the iris, angle closure due to synechial closure of the anterior chamber angle, and a patient who is unable to cooperate.

Conditions causing poor visualization of the iris include the following:

  • Corneal edema

  • Corneal opacity

  • Flat anterior chamber

Conditions causing synechial closure of the anterior chamber angle include the following:

  • Neovascular glaucoma

  • Iridocorneal endothelial (ICE) syndrome

Patients who are unable to cooperate include the following:

  • Patients who cannot sit comfortably at the laser table

  • Patients who cannot keep the head still


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