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HOTV ETDRS charts with proportionally spaced (logMAR); line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent, 0.10 to 2.00.
Charts fit ESV3000 ETDRS Standardized Viewer and is available in 2 different version when repetitive testing are involved.
13 feet/4 meters testing distance.
Medex SKU: GL-500025