Amsler grid Amsler grid The Amsler grid, used since 1945, is a grid of horizontal and vertical lines used to monitor a person's central visual field. The grid was developed by Marc Amsler, a Swiss ophthalmologist. It is a diagnostic tool that aids in the detection of visual disturbances caused by changes in the retina, particularly the macula (e.g. macular degeneration, Epiretinal membrane), as well as the optic nerve and the visual pathway to the brain. In the test, the person looks with each eye separately at the small dot in the center of the grid. Patients with macular disease may see
Center for the History of Family Medicine Center for the History of Family Medicine The Center for the History of Family Medicine (CHFM) is a historical research center which is part of the non-profit American Academy of Family Physicians Foundation (AAFP Foundation), a non-profit, charitable 501(c)(3) organization located in Leawood, Kansas. The CHFM serves as the primary repository of information and resources on the history and evolution of general practice, family practice, the discipline of family medicine and the family medicine organizations within the United States. Its mission is to document, organize and preserve organizational records, personal papers, books and artifacts in all formats and disseminate information