14 Line SLOAN Folding Letter Chart SF25 Audible feedback reinforces correct compression

Audible feedback reinforces correct compression depth (Clicker on/off)

Saves time

and long-lasting materials that stand up to frequent use

These lightweight aluminum splints come with a foam cushion for comfort

14 Line SLOAN Folding Letter Chart SF25 Audible feedback reinforces correct compression(18" x 18" to 18" x 9") Sloan optotype chart for vision testing at 10 feet. Features two smaller groups 7. 5 m to 1. 5 m for repetitive testing (20 50, 6 15 to 20 10, 6 3 equivalent). Chart may be hand held or wall mounted. This Sloan folding letter chart is a combination of many highly calibrated and accurate vision tests. It incorporates traditional Sloan optotypes with an ETDRS format to help establish a constant and equal acuity object from