A proposal for the use of a fixed low-energy selective laser trabeculoplasty for open angle glaucoma

Sacks Zachary, Katz L. Jay, Gazzard Gus, Sarah H. Van Tassel, Eytan Z. Blumenthal, Lerner S. Fabian, Augusto Azuara-Blanco, Gregory John Roy Spooner, Yoram Solberg, Thomas Samuelson, Belkin Michael

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Abstract

Selective laser trabeculoplasty (SLT) has been in routine clinical use for over 20 years with millions of patients successfully treated and a low rate of clinically significant complications. The procedure requires the clinician to manually position the laser beam on the trabecular meshwork using a gonioscopy lens and to titrate the SLT laser energy based on the amount of pigmentation in the angle, as well as the observation of small bubbles produced by the laser effect. We propose that SLT energy titration is unnecessary either to achieve intraocular pressure (IOP) reduction or to minimize potential side effects. Ample evidence to support our proposal includes multiple clinical reports demonstrating comparable levels of IOP reduction resulting from different laser energies, a large variety of energy and other laser parameters used in commercially available SLT lasers, and the nature of the laser-induced changes in the trabecular meshwork tissue with respect to energy. Despite these variations in laser parameters, SLT consistently reduces IOP with a low complication rate. We propose that using low fixed energy for all patients will effectively and safely lower patients’ IOP while reducing the complexity of the SLT procedure, potentially making SLT accessible to more patients.
Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalJournal of glaucoma
Volume33
Issue number1
Early online date12 Oct 2023
DOIs
Publication statusPublished - Jan 2024

Keywords

  • Ophthalmology

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