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Laser TrabeculoplastyA Prospective Study of Treatment Variables
Jacqueline Lustgarten, MD;
Steven M. Podos, MD;
Robert Ritch, MD;
Robert Fischer, MD;
Dean Stetz, MD;
Lilly Zborowski, MD;
Richard Boas, MD
Arch Ophthalmol. 1984;102(4):517-519.
Abstract
• Forty-five phakic eyes with openangle glaucoma and uncontrolled intraocular pressure underwent laser trabeculoplasty. Each eye was assigned randomly to one of three treatment groups: group 1, 100 spots over 360°; group 2, 50 spots over 180°; or group 3, 50 spots over 360°. A 50-µm spot was aimed at the anterior meshwork; power and time were varied to achieve a blanch. Forty-four eyes were followed up for at least four weeks without further intervention. The mean IOP before therapy and the initial IOP elevation were similar in all groups. After four weeks, the mean IOP reductions in 15 eyes in group 1, 15 eyes in group 2, and 14 eyes in group 3 were not significantly different. However, significantly more eyes in group 1 demonstrated a greater than 12 mm Hg reduction in IOP than eyes in the other groups. Group 2 tended to have the fewest eyes with reduced medications.
Author Affiliations
From the Department of Ophthalmology, Mount Sinai School of Medicine, New York.
Footnotes
Accepted for publication June 6, 1983.
Reprint requests to Department of Ophthalmology, Mount Sinai School of Medicine, 1 Gustave L. Levy Pl, New York, NY 10029 (Dr Lustgarten).
This study was supported in part by grants EY01867, EY03651, and EY07014 from the National Eye Institute, by an unrestricted grant from Research to Prevent Blindness, Inc, by a postdoctoral fellowship from Fight for Sight, Inc (Dr Zborowski), and by a fellowship from the Heed Foundation (Dr Stetz), New York.
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