| Description | LEA Numbers® distance visual acuity test for the ETDRS Illuminator Cabinet. Proportiona; spaced line sizes from 20/200 to 20/8 (6/60 to 6/2.4 equivalent). 24.5" x 35.5" (62 cm x 65 cm). | LEA Symbols® distance visual acuity test for the EDTRS Illuminator Cabinet. Proportional spaced line sizes from 20/200 to 20/8 (6/60 to 6/2.4 equivalent). Includes response key, flash cards, and instructions. 24.5" x 25.5" |