Can be wall-mounted.
Tumbling E charts are considered one of the best alternative vision tests. Although Landolt C charts are considered the gold standard of alternate vision tests, many studies have shown that Tumbling E charts are very close. Illiterate E vision tests are great for the detection of Amblyopia and their shape gives a grating illusion. Letter recognization for both foveal and peripheral vision is very high. Tumbling E charts are a great alternative vision chart.