What is the role of imaging studies in the workup of peripheral anterior synechiae (PAS)?

Updated: Mar 19, 2021
  • Author: Maria Hannah Pia U de Guzman, MD, DPBO, FPAO; Chief Editor: Hampton Roy, Sr, MD  more...
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Answer

Ultrasound biomicroscopy [6] or anterior segment imaging (eg, optical coherence tomography [7] )

  • Useful in evaluating the angle in angle-closure glaucoma

  • Can delineate PAS and determine the extent

  • May reveal a small space between the PAS and the trabecular meshwork suggesting that the trabecular meshwork may still be functional

  • May be useful in documenting supraciliary fluid

Corneal specular microscopy - useful in identifying iridocorneal endothelial or posterior polymorphous dystrophy cells


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