Snellen Type Plastic Eye Chart. The Snellen Eye Chart has big letters at the top and progressively smaller letters towards the bottom of the chart down to 20/20 or better. Use for measuring visual acuity at a distance. This non-reflective chart has a matte finish with green and red color bars. For 20' distance. Size: 22" x 11".
Manufacturer Part Numbers: 1240
GRP:GRV
Manufacturer Part Numbers: 1240
GRP:GRV