Figure 1. Sample selection criteria for identifying enrollees with incident open-angle glaucoma.

This figure depicts the sample selection criteria used to identify enrollees with incident open-angle glaucoma. In the figure, “Plan Enrollment” is the date the individual entered the medical plan, “First OAG Diagnosis” is the date they were first diagnosed with open-angle glaucoma, and “Plan Exit” is the last date the enrollee was in the medical plan or the last date for which we had access to their billing records, December 31, 2009.

OAG - open-angle glaucoma