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Do not base your order on the picture presented.
LEA Numbers ETDRS distance chart with proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50.
Available in three different versions of mixed/scrambled order when repetitive testing are involved.
These charts fit ESV3000 Standardized ETDRS illuminated cabinet.
13 feet/4 meters testing distance.
Medex SKU: GL-270200