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M. J. Mequio, B. A. Hughes, M. S. Juzych, A. Gupta, M. Y. Alexander, J. M. Yonker, C. Kim; Efficacy of Repeat Selective Laser Trabeculoplasty. Invest. Ophthalmol. Vis. Sci. 2007;48(13):3972.
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To determine the efficacy of repeat Selective Laser Trabeculoplasty (SLT) in the treatment of open-angle glaucoma (OAG)
Twenty-nine patient charts were reviewed. All patients had open angle glaucoma, and underwent repeat SLT treatment. All patients had overlapping treatments between primary and repeat SLT treatments. Success by criteria I was defined as an intraocular pressure (IOP) of less than or equal to 18 with no additional glaucoma medications, laser, or glaucoma surgery. Success by criterion II was defined as an IOP decrease of 3mm Hg, with no additional glaucoma medications, laser, or glaucoma surgery.
Patients had a mean pre-operative IOP of 22.8 ± 4.6 mmHg on 2.4 ± 1.4 glaucoma medications. The mean age was 66.6 ± 12.3 years. The average follow-up time was 18.8 ± 9.8 months. Twenty-five patients were African-American, and 4 patients were white. Twenty-six patients had primary open-angle glaucoma (POAG), 1 patient had juvenile glaucoma, 1 had pigmentary glaucoma, and 1 had pseudoexfoliation syndrome. Repeat SLT was performed at a mean 21.0 ± 26.7 months after primary SLT. Twenty-nine patients were followed at 1-3 months, 26 patients at 4-6 months, and 25 patients at 9-12 months. Repeat SLT treatment was successful in 84% of eyes at 3 months, 71% of eyes at 6 months, 64% of eyes at 9 months, and 59% of eyes at 12 months for Criterion I. For Criterion II repeat SLT was a success in 90% of eyes at 3 months, 81% of eyes at 6 months, 69% of eyes at 9 months, 64% of eyes at 12 months.
In patients with primary and secondary open-angle glaucoma overlapping repeat SLT is effective in reducing IOP.
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