LEA SYMBOLS® 15-Line Translucent ETDRS-Style Distance Charts250300
A LEA SYMBOLS® distance visual acuity chart for an ETDRS Illuminator Cabinet like the ESV3000 or ESC2000. Features proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. A response key and instructions are included.
Available in 2 different versions: The Standard style chart is screen printed on .010 thick styrene plastic making the chart more rigid. The Roll-Up style chart is screen printed on .015 thick styrene plastic allowing the chart to be rolled up for easy transporting or storage. Both are UV coated for long-lasting durability.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Testing distance: 10 feet/3 meters.Click here for the 250300 Answer Key.