This easy to use visual acuity near vision card features Landolt C on one side and Sloan Letters on the other. Both sides have optotypes in proportionally spaced (logMAR) lines with line sizes ranging from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. Card size is 3.75" x 6.25" (9.5 cm x 15.9 cm).
Printed with pupilometer with sizes ranging from 2 to 9.
Testing distance is 16 inches, 40 cm.
Przelicznik skali Decimal/Snellen.
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