Optometrist's eye chart features black numbers and large letter "E".
A medium-close-up view of an optometrist's eye chart that is white. Along the right side of the chart, there are black numbers that read 1–11 from top to bottom. The largest letter on the chart is black and is placed along the top, and it is the letter "E.". There is a green line that runs horizontally, and is placed underneath the number "6" and towards the left. The red line to the left of the "8" runs horizontally as well. Surrounding the white chart is a yellow brick wall.