Lea Number Intermediate Distance Chart
Intermediate Distance Chart, Lea Numbers, for use at 1 or ½ meter, with cord which has knots at 1 meter and ½ meter. Covers 20/400 to 20/20 in 15 lines, Includes marking on chart of one meter. Includes separate sheet indicating Optotype sizes for ½ meter.
272300 Lea Number Intermediate Distance Chart ......
$35.00 
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Intermediate Distance Acuity
Chart
Intermediate Distance Acuity Chart. Sloan. LogMAR. with special Cord for use at 70 CM. Supply with paper interpretation for this distance. (Chart shows notations for testing at 40 cm.) Measures 18 X 23 cm (7 X 9 in.)
2106-70CM Intermediate Distance Acuity
Chart ..........
$35.00
Acuity
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