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SLT comparable to ALT in IOP reduction

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BARCELONA, Spain — Selective laser trabeculoplasty appears to offer the same intraocular pressure-lowering benefits as argon laser trabeculoplasty, according to a study. Results of this 3-year trial were presented by Karim F. Damji here at the International Glaucoma Symposium.

Dr. Damji stated the benefits of selective laser trabeculoplasty (SLT) over conventional argon laser trabeculoplasty (ALT). He said SLT uses much less energy, preserves the trabecular meshwork architecture, has the potential to be repeated and is easier to perform than ALT.

Of the original 165 eyes enrolled in the study that had open-angle glaucoma and that were on maximum-tolerated medical therapy, 69 eyes were at the 3-year follow-up point.

Baseline comparison between SLT and ALT was similar. Mean IOP in the SLT group was 23.8 mm Hg preoperatively and in the ALT group, 23.5 mm Hg. At the 3-year follow-up, eyes that underwent SLT experienced a mean reduction of 6.5 mm Hg. The eyes that received ALT saw a mean reduction in IOP of 6 mm Hg.