Number recognition chart for rapid testing prescription and accuracy.

$11.50

SKU: C194 Category:

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).