A Reading/ETDRS Near Card available in English and Spanish that features continuous reading examples and ETDRS format Sloan Letters. Line sizes range from 20/400 to 20/10 equivalent with continuous text line sizes ranging from 20/100 to 20/20 equivalent. Notations are indicated in Snellen in Feet/ Meters, LogMAR, and Decimal. These cards come with a 23.6" (60 cm) measuring cord for easy use.
Dimensions: 12" x 16" (30.48 cm x 40.64 cm).
Testing distance: 23.6"/60 cm.
Printed on styrene for long-lasting durability.