Characteristics of case-control studies of DM and POAG incidence.

1, age; 2, gender;3, race; 4, Hypertension; 5, body mass index; 6, physical activity; 7, alcohol intake; 8, Smoking; 9, family history of glaucoma; 10, follow-up time; 11, IOP; 12, IOP–lowering treatment; 13, questionnaire cycle; 14, education; 15, Myopia; 16, Radiation exposure; 17, thyroid disease; 18, migraine; 19, cardiovascular events; 20, angiotensin-converting enzyme inhibitors.DM: diabetes mellitus; OR:odds ratio; CI: confidence Interval; GVFL: Glaucomatous visual field loss; GON: Glaucomatous optic neuropathy.