ETDRS 2000 Series Chart 3 for 13 Feet/4 Meters

The 2000 Series ETDRS Sloan Letter vision chart 3 features proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Part of the Revised ETDRS series with each line being equally difficult.

Dimensions: 24.5" x 25.5" (62 cm x 65 cm).

Testing distance: 13 feet/4 meters.