Graham Field Snellen Hanging Eye Chart – 20′
The Snellen eye chart is the familiar chart with the big letter or symbol at the top and progressively smaller letters at the bottom of the chart down to 20/20 or better
This is a chart for measuring visual acuity at a distance – in other words, how well you can see things that are far away
Features
- Non-reflective plastic
- Matte finish with green and red color bars
- With eyelet to be hung easily
Specification
- Brand: Graham Field
- Product Type: Snellen Hanging Eye Chart
- Size: 22″ x 11″
- Distance: 20′