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
Grid (comics) of Grid as they head to Happy Harbor to take on the Crime Syndicate. Cyborg lures Grid out and the Metal Men begin attacking him. Grid brings Society members to help as Grid enters Cyborg's new body. Cyborg is able to trap Grid in his body as the Metal Men defeat the Secret Society of Super Villains members that are present. During the "Darkseid War" storyline, Grid is still in Cyborg's body at the time when the surviving Crime Syndicate members and the Justice League in a plot to end the conflict between Darkseid and the Anti-Monitor. Grid is able