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 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. 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.