Objectives: To conduct a multi-national retrospective chart review with the purposes of assessing resource utilization, progression, and costs associated with treating glaucoma in Europe. Methods: Patient chart data was reviewed to assign patients to all stages of glaucoma progression. The Bascom Palmer Glaucoma Staging System (GSS) was selected, as most adaptable because it Objectives: To conduct a multi-national retrospective chart review with the purposes of assessing resource utilization, progression, and costs associated with treating glaucoma in Europe. Methods: Patient chart data was reviewed to assign patients to all stages of glaucoma progression. The Bascom Palmer Glaucoma Staging System (GSS) was selected, as most adaptable because it