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Annular peripheral choroidal detachment simulating aqueous misdirection after glaucoma surgery

P U Dugel1, D K Heuer, A B Thach

  • 1Department of Ophthalmology, University of Southern California School of Medicine, Los Angeles, USA.

Ophthalmology
|March 1, 1997
PubMed
Summary
This summary is machine-generated.

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Annular peripheral choroidal detachment is a complication after glaucoma surgery. Both medical therapy and surgical drainage effectively treat this condition, though surgery offers faster resolution.

Area of Science:

  • Ophthalmology
  • Surgical Complications
  • Glaucoma Surgery

Background:

  • Aqueous misdirection is a known complication following glaucoma surgery.
  • A newly recognized complication involves annular peripheral choroidal detachment leading to secondary angle closure glaucoma.

Purpose of the Study:

  • To define annular peripheral choroidal detachment (APCD) as a complication post-glaucoma surgery.
  • To recommend an effective therapeutic regimen for APCD.
  • To differentiate APCD from aqueous misdirection.

Main Methods:

  • Study included 18 patients with suspected aqueous misdirection post-glaucoma surgery.
  • Diagnosis of APCD was confirmed using ultrasonography.
  • Patients were treated with either topical cycloplegics and corticosteroids (medical therapy) or drainage of suprachoroidal fluid (surgical therapy).

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Main Results:

  • Ultrasonography reliably diagnosed annular peripheral choroidal detachment.
  • Drainage of suprachoroidal fluid resulted in immediate resolution of APCD.
  • Medical therapy required a mean of 19.6 days for resolution, which was statistically significant compared to surgical drainage.

Conclusions:

  • Annular peripheral choroidal detachment should be considered in the differential diagnosis of a flat or shallow anterior chamber post-glaucoma surgery.
  • Ultrasonography is the most reliable diagnostic tool for APCD.
  • Both medical and surgical treatments are effective, with surgery providing faster resolution.