3 in 1 Near Visual Acuity Test759000
3 in 1 Near Visual Acuity Test contains 3 different optotypes in one easy to use chart; LEA SYMBOLS®, LEA NUMBERS®, and Sloan Letter. The near vision card contains lines with proportionally spaced (logMAR) optotypes in ETDRS, format; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.
Attached 16-inch (40 cm) measuring cord ensures proper screening distance.
The reverse side is printed with the answers for the near vision test. This will let you follow along with the patient.
Printed on long lasting durable styrene plastic. Measures 17” x 7.5” (43.2cm x 19cm).