While conducting an eye assessment, the attention attention pro may ask the individual to consider an Amsler grid. This grid is a pattern that resembles a checkerboard. The patient covers one attention and stares at a black dot in the center of the grid. While observing the dot, the individual may realize that the straight lines into the structure look wavy.
a pattern of small boxes that is used for self-monitoring by patients who have age-related macular degeneration