Exfoliation syndrome: association with systemic diseases-the Maccabi glaucoma study.

Purpose: To investigate the relationship between exfoliation syndrome (XFS) and systemic diseases.

Methods: A population-based, retrospective study with control group was conducted using the electronic medical database of Maccabi Health Services, the second largest Health Maintenance Organization (HMO) in Israel. Study population included Maccabi members from January 2003 to April 2016.