PURPOSE: To determine the main risk factors of noncompliance in glaucoma patients with different disease duration according to patients’ opinion.MATERIALS AND METHODS: An analytical, multi-center study was conducted based on a survey of 616 patients with different glaucoma duration. The survey was carried out by 43 doctors from 7 countries. Questionnaires of patients included four main groups of risk factors for noncompliance. The rating of factors was evaluated by the average score, which patients assigned to this factor. The significance of 32 selected factors for non-compliance was evaluated using a point system from 10 (maximum significant factor) to 1 (minimum significant factor).Analysis program: Statistica 8.0 (StatSoft Inc.,USA).RES...