“…In some studies, reported success ratio of SLT was relatively favorable (59.7% to 89%). 4,[8][9][10][11] Other studies, however, reported far worse outcomes. 12,13 This large variability in the success ratio suggests that the efficacy of SLT may be greatly influenced by various factors, and underlines the importance of identifying the predictors for success of SLT to determine the optimal indication for the treatment.…”