Amsler grid

Amsler Grid is a simple diagnostic tool used by eye care professionals to detect early signs of macular degeneration and other retinal diseases. Named after its inventor, Swiss ophthalmologist Marc Amsler, the Amsler Grid is a square grid of horizontal and vertical lines with a central fixation point.

History

The Amsler Grid was developed by Marc Amsler, a Swiss ophthalmologist, in the 1940s. Amsler's work was focused on the study of the macula, the central area of the retina responsible for sharp, central vision. He designed the grid to help identify early changes in the macula that could indicate the onset of disease.

Design and Use

The Amsler Grid is a square grid of equal size horizontal and vertical lines. The grid is usually white, with the lines in black, and a central fixation point. The patient is asked to focus on the central point and report any distortions, blurriness, or blank spots in the grid.

The grid is used as a self-monitoring tool by patients at home. Regular use of the Amsler Grid can help detect changes in vision that may indicate progression of macular degeneration or other retinal diseases.

Limitations

While the Amsler Grid is a useful tool for early detection of macular degeneration, it has some limitations. It may not detect peripheral vision loss or other vision changes not related to the macula. It is also dependent on patient compliance and accurate self-reporting.

See Also

• Macular degeneration
• Retinal diseases
• Eye examination
• Ophthalmology