Neodymium:YAG and Argon Laser Iridotomy: Long-term Follow-up in a Prospective, Randomized Clinical Trial

Lucian V. Del Priore, Alan L. Robin, Irvin P. Pollack

Research output: Contribution to journalArticlepeer-review

Abstract

Neodymium:YAG (Nd:YAG) and argon laser iridotomies were compared in a prospective, randomized clinical trial of 43 patients with bilateral chronic pupillary-block glaucoma. All patients had one eye randomly assigned to argon and the fellow eye assigned to Nd:YAG laser treatment. Follow-up ranged from 20 to 42 months. Iridotomy closure was not observed in Nd:YAG-treated eyes, but nine (21 %) argon iridotomies required retreatment. Visual loss due to progression of laser-induced lens or corneal damage was not observed in any eye. Nine (21 %) argon-treated eyes and eight (19%) Nd:YAG-treated eyes required laser trabeculoplasty for further intraocular pressure (IOP) lowering after iridotomy. Five (12%) argon-treated and two (5%) Nd:YAG-treated eyes required intraocular filtration surgery for long-term IOP control, but this difference was not statistically significant. There were no significant long-term differences between these treatment modalities.

Original languageEnglish (US)
Pages (from-to)1207-1211
Number of pages5
JournalOphthalmology
Volume95
Issue number9
DOIs
StatePublished - 1988

Keywords

  • argon laser iridotomy
  • glaucoma
  • laser
  • narrow-angle glaucoma
  • neodymium:YAG laser iridotomy
  • pupillary-block glaucoma

ASJC Scopus subject areas

  • Ophthalmology

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