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
Amsler Island on Geographic Names chose this name in 2007 in recognition of the Amslers' three decades of research in the Anvers Island area. Amsler Island was the original site of the United States Antarctic Program research base Palmer Station from 1965 until the current station approximately away was constructed in 1968. Amsler Island Amsler Island is located off the coast of the Antarctic Peninsula. It is named after American marine biologists Charles (Chuck) and Margaret (Maggie) Amsler of the University of Alabama at Birmingham. The island is a triangular rocky plot of granite land approximately long and wide at its widest