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A Preliminary Report

A. Ralph Rosenthal, MD; P. Ray Chaudhuri, FRCS; A. Page Chiapella, PhD

Arch Ophthalmol. 1984;102(5):699-701.

Abstract
• Thirty-three patients with chronic open-angle glaucoma were treated with argon laser trabeculoplasty as the primary therapeutic modality. In 18 patients (55%) successful normalization of intraocular pressure (<21 mm Hg) was achieved. Of these, ten patients underwent bilateral procedures and eight patients underwent unilateral treatment. The IOP was normalized within five weeks in 27 of these 28 eyes. During the followup period, ranging from six to 18.5 months, IOP has remained lower than 21 mm Hg in all the successfully treated eyes. In 15 patients (45%) the treatment failed to control IOP by four weeks. In these patients, only one eye was treated. Significant correlations with successful outcome included initial IOP, well-delineated angle landmarks, and date of treatment. The date of treatment was consistent with an improvement in the treatment administration over time.

Author Affiliations
From the Division of Ophthalmology, Stanford (Calif) University Medical Center (Drs Rosenthal and Chiapella); and the Department of Ophthalmology, University of Leicester (England) School of Medicine (Mr Chaudhuri).

Footnotes
Accepted for publication Oct 13, 1983.

Read in part before the Association for Research in Vision and Ophthalmology meeting, May 5, 1983, Sarasota, Fla.

Reprint requests to the Division of Ophthalmology, Stanford University Medical Center, Stanford, CA 94305 (Dr Rosenthal).

This investigation was supported in part by the Elsie B. Ballantyne Fund, Stanford, Calif, National Research Service Award EY 07035, from the National Eye Institute, Bethesda, Md, and an unrestricted research grant from Research to Prevent Blindness Inc, New York, NY. David Goulstine, FRCS, John Cappin, FRCS, David Austin, FRCS, and John Sandford-Smith, FRCS, allowed us to use their patients in this study.

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