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
Samuel Amsler on the right is also by von Kaulbach (1833). (1) Colin J. Bailey, 'Samuel Amsler's Portrait Album', in The Burlington Magazine CXXXIII, No. 1062, September 1990, pp. 647-667, with many illustrations. (2) The portrait album and the family portrait were presented by descendants of the artist. Samuel Amsler Samuel Amsler (17 December 1791 - 18 May 1849), Swiss engraver, was born at Schinznach, in the canton of Aargau. He studied his art under Johan Heinrich Lips (1758–1817) and Karl Ernst Hess, at Munich, and from 1816 pursued it in Italy, and chiefly at Rome, till in 1829 he succeeded his