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
Margaret Harris Amsler was a professor of Latin and Greek. She graduated with an AB from Baylor University in 1929, in English and French, and then an MA in English literature from Wellesley College in 1931. She then taught at a Texas high school. She attended law school from 1935, graduating with an LLB in 1937; she was the only woman in her class, and graduated in first place. She married her first husband, John Kenneth Gordon in 1933. After they were divorced, she remarried in 1942 to the lawyer Sam H. Amsler, Jr. They had one daughter. She was elected to the