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. 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.

age related macular degeneration.

In the test, the person looks with each eye separately at the little dot in the center of the grid. Patients may notice that they don't see the lines as straight, or lines are missing,...

Amsler grids can be obtained from an ophthalmologist or optometrist and may be used to test one's vision at home.

The original Amsler grid was black and white. A color version with a blue and yellow grid is more sensitive and can be used to test for a wide variety of visual pathway abnormalities, including those associated with the retina, the optic nerve, and the pituitary gland.

ee also

*Epiretinal membrane
*Macular degeneration

External links

* [ Free self-administered eye tests online] Amsler grid, visual field mapping and Snellen eye chart
* [ Free Amsler Test Online]
* [ MyVisionTest] A free modern Amsler Grid test for macular degeneration
* [ Downloadable Amsler chart with instructions]

Wikimedia Foundation. 2010.

Look at other dictionaries:

  • Amsler grid — While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid. This grid is a pattern that resembles a checkerboard. The patient covers one eye and stares at a black dot in the center of the grid.… …   Medical dictionary

  • Amsler grid — a chart usually consisting of a grid of black lines on a white background. It is used to detect and monitor problems of central vision affecting the retina, for example in macular disease, which causes a distortion of square edges in its early… …   The new mediacal dictionary

  • Amsler grid — noun a pattern of small boxes that is used for self monitoring by patients who have age related macular degeneration • Hypernyms: ↑grid …   Useful english dictionary

  • Grid, Amsler — A grid pattern that resembles a checkerboard utilized for examination of the eye. The patient covers one eye and stares at a black dot in the center of the grid. While staring at the dot, the patient may notice that the straight lines in the… …   Medical dictionary

  • Amsler charts grid — Am·sler charts, grid (ahmґzlər) [Marc Amsler, Swiss ophthalmologist, 1891–1968] see under chart and grid …   Medical dictionary

  • grid — 1. A chart with horizontal and perpendicular lines for plotting curves. 2. In x ray imaging, a device formed of lead or aluminum strips for preventing scattered radiation from reaching the x ray film. [M.E. gridel, fr. L. craticula, lattice] …   Medical dictionary

  • Amsler — Marc, Swiss ophthalmologist, 1891–1968. See A. chart, A. grid, A. test …   Medical dictionary

  • Marc Amsler — (born February 5, 1891 in Vevey, Switzerland; died May 3, 1968) was a professor of ophthalmology at der Zurich Eye Clinic at the University of Zurich.[1][2] He took the position as professor of ophthalmology in Zurich in 1944. His predecessor was …   Wikipedia

  • Grilla de Amsler — La grilla de Amsler, utilizada desde 1945, es una grilla (o cuadrícula) de líneas verticales y horizontales usada para monitorear o inspeccionar el campo visual de las personas. Esta grilla o cuadrícula fue desarrollada por el oftalmólogo suizo… …   Wikipedia Español

  • Macular degeneration — Classification and external resources Picture of the fundus showing intermediate age related macular degeneration. ICD 10 …   Wikipedia

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