Materials and methods: The medical records of 120 eyes of 70 patients who had undergone SLT for open-angle glaucoma were analyzed retrospectively at the Department of Ophthalmology, Manisa Goverment Hospital.

Results: Data were available for 120, 120, 109, 90, 73 eyes at 1 week, 1, 3, 6 months and 1 year, respectively. The intraocular pressure (IOP) signifi cantly decreased from baseline pre-operative values of 24.3±5.7, 24.3±5.7, 24.3±5.6, 24.2±5.8, 24.4±6.1 mmHg to 17.2±4.0, 16.9±3.6, 17.2±4.1, 17.4±4.6, 17.2±4.6 mmHg at 1 week, 1, 3, 6 months and 1 year, respectively (p<0.001). Patients were categorized according to degree of SLT treatment as 1800 and 3600 group or glaucoma type as PAAG and PEG group. There were statistically signifi cant differences in the IOP reductions between the PAAG and PEG groups at 6 months (PAAG -5.9±4.8 vs PEG -8.4±6.3) and at 1 year ( PAAG -5.9±5.0 vs PEG -9.5±5.8) (p<0.05), no significant differences were found between the 1800 and 3600 groups at all time intervals (p>0.05). Only 1 (0.8%) patient experienced IOP spikes, 31 (25.8%) experienced transient anterior chamber infl amation, 7 (5.8%) experienced ocular pain occurred 1 hour after the laser.

Conclusion: SLT is an effective and safe treatment modality in the patients with open angle glaucoma. Keywords : Glaucoma, intraocular pressure, selective laser trabeculoplasty