You can download or print an eye chart using instructions on this
page. The chart is an "E game" chart with visual acuity
lines of 20/20 - 6/6 - 1.0 -
10/10, 20/40 - 6/12 - 5/10 - 0.5, 20/60 - 6/18 - 3/10 - 0.33, 20/80
- 6/24 - 2.5/10 - 0.25, 20/100 - 6/30 - 0.2/10 - 0.2..
There is also a calibration line to be sure that the chart print
size is correct (due to variations in printers and graphics programs).
Go here to view the
eye chart and save to your hard drive or print it. Be sure that
when you print the chart that you make the following specifications
to the "page setup", if these options are available:
- Maintain aspect ratio - yes.
- Use full page - yes.
- Center image on page - yes.
To test your vision, place the chart in a well illuminated area
and stand 6 meters (or about 20 feet) from the chart. Test one eye
at a time. The lowest line that you can read correctly is your visual
In order to be sure that the chart printed is the correct size,
measure the calibration line at the bottom of the chart. It should
be 100 millimeters in length. If the length is different than 100
mm, use the following formula to determine how far you should stand
from the chart to do the test:
- Mulitply the length of the calibration line by 2.36.
- This is the distance in inches that you should stand from the
- Example: If the calibration line is 100 mm, 100 X 60 = 6 m or
100 X 2.36 = 236 inches, or 19 feet, 8 inches (which is about
20 feet, or 6 meters)