Which clinical history findings are characteristic 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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Peripheral anterior synechiae (PAS) can present in the following ways:

  • Acute angle closure with the classic constellation of symptoms, including ocular pain, headaches, blurred vision, and haloes
  • Subacute history of multiple transient attacks of intraocular pressure elevation, which consist of mild ocular pain, reduced vision, and haloes
  • Chronic angle closure, which is often asymptomatic but may present with reduced vision due to corneal edema or end-stage glaucomatous optic neuropathy

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