Description
Alphabets Folding ETDRS chart with proportionally spaced (logMAR) line size range from 10/100 to 10/10 (3/30 to 3/3) equivalent, 0.10 to 1.00. fits all standardized ETDRS viewers.
Alphabets Folding ETDRS chart with proportionally spaced (logMAR) line size range from 10/100 to 10/10 (3/30 to 3/3) equivalent, 0.10 to 1.00. fits all standardized ETDRS viewers.
Alphabets Folding ETDRS chart with proportionally spaced (logMAR) line size range from 10/100 to 10/10 (3/30 to 3/3) equivalent, 0.10 to 1.00. fits all standardized ETDRS viewers.