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Glaucoma

LPI Assessed in Primary Angle Closure Suspects

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Eyes with shallow anterior chambers and thinner irises are more likely to experience angle opening from a laser peripheral iridotomy (LPI), according to a prospective interventional case series involving 66 eyes. The results were presented in a poster presentation by Mohammad Pakravan MD, of the Department of Ophthalmology at Labbafi Nejad Medical Center in Tehran, Iran, during the American Academy of Ophthalmology’s 2018 annual meeting in Chicago.

All participants were primary angle closure suspects (PACS) who averaged 59 years of age. Investigators used Fourier-domain swept-source anterior segment OCT at baseline and 1 month after the LPI. They looked for any links between baseline iris thickness and volume, anterior chamber depth and volume, and lens vault with a widening of the angle after LPI. Among the results:

  • All anterior chamber biometric parameters showed significant widening after LPI.
  • Lower iris and anterior chamber volume were linked with greater opening of angle after LPI. 

 

Reference

Pakravan M. Low iris and anterior chamber volume associated with deepening after laser peripheral iridotomy in primary angle closure suspects. Talk presented at: AAO 2018 annual meeting; October 26-30, 2018; Chicago.

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