Definitions for "Amsler grid"
(AM-zlur): Printed grid (black lines on white background) used as a test for detecting central visual field distortions or defects in macular degenerations.
a grid of 400 small squares (white separated by black lines or black separated by white lines), with a fixation dot in the middle, used to detect macular degeneration in an eye by the presence of “metamorphopsia”—curved, distorted, or broken lines—in the grid
Home eye test featuring equally spaced horizontal and vertical lines in a grid pattern. Used for determining the presence of macular degeneration and other defects that affect central vision. See Age-related Macular Degeneration in Eye Care Encyclopedia.
a useful tool for identifying and refining the exact angle to be used