Ophthalmic Eye Occluder with 14 Holes for Ophthalmologists, Orthoptists and Optometrists to Eye Exam
- 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..
- CHART DISTANCE : 3M / 10 FEET, CONTRAST LEVER : HIGH, OPTOTYPE : SNELLEN, CHART SIZE : 9 X 14 IN, CHART NOTATIONS – SNELLEN : 20/100 TO 20/16.