Josu�«± Roberto-Lozano, Mariya V. Kalashnikova, Gustavo Velasco-Gallegos, and Junzo Watada

Abstract:
The principal objective of the paper was to determine the safety and effectiveness of Selective Laser Trabeculoplasty (SLT) as applied to Mexican patients with Open Angle Glaucoma (OAG) according to the degree of Intraocular Pressure (IOP) reduction and the patient¡Çs required medication. We used the following materials and methods: patients with OAG who underwent 360¡ë SLT and either were under maximum tolerated topical medical therapy or had unwanted side effects were accepted as objects. The selected patients were subject to IOP measurement with 2 different tonometry methods prior to the SLT procedure and to the follow-up measurements on the third, sixth, and twelfth month after the procedure. In order to evaluate the efficiency of the SLT procedure, statistical analysis making use of the Repeated Measures One-Sample t-test, Paired-Samples t-test + Pearson Correlation Coefficient test, and Wilcoxon Signed-Rank test, was implemented. The main result of our research is: the desired criteria were met by twenty seven patients, who represent a sample of 50 eyes. Based upon this data, we can conclude that the treatment with SLT applied to Mexican patients with OAG reduces IOP and the need for topical medical therapy, which can lead to better control of the disease and compliance with treatment.

Keywords: open angle glaucoma, selective laser trabeculoplasty, statistical analysis