Lighthouse PowerCards Number Recognition Pocket-Size Test Card, 40cm / 16 in. LH 9259
Number recognition chart for rapid testing prescription and accuracy.
$11.50
Description
Designed as a rapid test for checking current prescription and accuracy of the add to be prescribed. Line increments in logMAR units in Snellen equivalent. Acuity range 8.0M to .4M (20/400 to 20/20). Measures 9.5x16cm (3.5×6.5in).
