An Amsler grid, also known as an Amsler grid test, is a tool you can use at home to test your eyes for vision problems. It’s commonly used to test for signs of age-related macular degeneration (AMD).

A visual acuity test is an eye exam that checks how well you see the details of a letter or symbol from a specific distance. Visual acuity refers to your ability to discern the shapes and details of ...

Assessment of visual acuity (VA) has been shown to vary between tests, which may be attributable in part to test inaccuracies, such as a change in the distance between the chart and subject. Therefore ...