SNELLEN Ophthometric Chart with Red/Green Lines 10 Ft

This Snellen chart includes Red and Green color bars for an easy and helpful color vision test. | Distance Visual Acuity Test for Testing at 10 Feet. 20 Feet Equivalent. | Screens for Amblyopia. | CHART DISTANCE : 3M / 10 FEET, CONTRAST LEVER : HIGH, OPTOTYPE : SNELLEN, CHART SIZE : 9 X 14 IN, CHART NOTATIONS – SNELLEN : 20/100 TO 20/16