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Urrets-Zavalia syndrome as a complication of argon laser peripheral iridoplasty
  1. E M Espana1,
  2. A Ioannidis2,
  3. C Tello1,
  4. J M Liebmann3,
  5. P Foster2,
  6. R Ritch4
  1. 1Department of Ophthalmology, The New York Eye and Ear Infirmary, New York, New York, USA
  2. 2Institute of Ophthalmology, University College London, London, UK
  3. 3New York University School of Medicine, New York, New York, USA; Manhattan Eye, Ear and Throat Hospital, New York, New York, USA
  4. 4The New York Medical College, Valhalla, New York, USA
  1. Correspondence to: Professor R Ritch Glaucoma Service, Department of Ophthalmology, The New York Eye and Ear Infirmary, 310 East 14th Street, New York, NY 10003, USA; ritchmd{at}


Objective: To report on 8 patients who developed prolonged mydriasis after argon laser peripheral iridoplasty (ALPI).

Design: Retrospective case series.

Methods: A review of the charts of 8 patients with persistent occludable angles after laser iridotomy who developed mydriasis after undergoing ALPI.

Results: 12 eyes of 8 patients (mean age 50.2, standard deviation 6.9, range 40–61 years) developed persistent dilatation. 7 of 8 patients had plateau iris syndrome. Only one patient had a decrease in visual acuity. Intraocular pressure increased only in 1 eye and remained stable or decreased in the others. Of the 8 patients, 7 had blurred vision, 2 had photophobia, 4 had glare and 1 had discomfort. The pupillary response to pilocarpine instillation was minimal or absent. Mydriasis eventually resolved in all eyes without treatment.

Conclusion: ALPI can be complicated by mydriasis unresponsive to pilocarpine. Mydriasis and accompanying symptoms resolved spontaneously within 1 year in most patients.

  • ALPI, argon laser peripheral iridoplasty
  • IOP, intraocular pressure

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  • Funding: This study was supported by the Norman and Sandra Pessin Research Fund of the New York Glaucoma Research Institute, New York, New York, USA

  • Competing interests: None.

  • Published Online First 20 September 2006

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