66 cm Intermediate Distance Charts

Click here to view the pdf catalogue

66 cm Intermediate Distance Charts
Charts calibrated to test visual acuity at an
intermediate distance of 31" (80 cm) or 26"
(66 cm). Charts are available in 3 scrambled
versions for repetitive testing situations.
Sloan Letters optotypes with proportionally
spaced lines; line sizes range from 20/400 to
20/10 (6/120 to 6/3) equivalent. Notations for
Letter Size, Decimal, and logMAR are also
on the chart. Chart fits in Quantum Series,
Model A+, and Model A illuminated cabinets.
Chart size is 9" x 14" (22.9 cm x 35.6 cm).
31" (80 cm) testing distance.