Acuity range 8m to .20m (20/400, 6/120 to 20/10, 6/3 equiv.)
Measures 9.5 x 16 cm (3.75 x 6.25 in.)
Developed by Dr. Peter Runge, MD.
The back side of the card includes the chart
legend, mm ruler, pupil gage and acuity
notations in the following scales
Snellen
6 meter
Decimal
Jaeger
Near (Times New Roman Printer’s Points)
M letter sizes
