LEA SYMBOLS® 15-Line Translucent ETDRS-Style Distance Chart
LEA SYMBOLS® distance visual acuity test for the ETDRS Illuminator Cabinet. Proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Includes response key, training cards, and instructions. 24.5" x 25.5" (62 cm x 65 cm).
The Standard ETDRS style chart is screen printed on .010 thick styrene plastic making the chart more rigid. UV coated for long lasting durability.
10 feet/3 meters testing distance
Additional shipping charges apply.